diff --git a/.manus/db/db-query-1773490572266.json b/.manus/db/db-query-1773490572266.json
new file mode 100644
index 0000000..ebc48b6
--- /dev/null
+++ b/.manus/db/db-query-1773490572266.json
@@ -0,0 +1,9 @@
+{
+  "query": "CREATE TABLE `notification_log` (\n\t`id` int AUTO_INCREMENT NOT NULL,\n\t`userId` int NOT NULL,\n\t`reminderId` int,\n\t`notificationType` varchar(32) NOT NULL,\n\t`title` varchar(256) NOT NULL,\n\t`message` text,\n\t`isRead` int DEFAULT 0,\n\t`createdAt` timestamp NOT NULL DEFAULT (now()),\n\tCONSTRAINT `notification_log_id` PRIMARY KEY(`id`)\n);\n\nCREATE TABLE `training_reminders` (\n\t`id` int AUTO_INCREMENT NOT NULL,\n\t`userId` int NOT NULL,\n\t`reminderType` varchar(32) NOT NULL,\n\t`title` varchar(256) NOT NULL,\n\t`message` text,\n\t`timeOfDay` varchar(5) NOT NULL,\n\t`daysOfWeek` json NOT NULL,\n\t`isActive` int DEFAULT 1,\n\t`lastTriggered` timestamp,\n\t`createdAt` timestamp NOT NULL DEFAULT (now()),\n\t`updatedAt` timestamp NOT NULL DEFAULT (now()) ON UPDATE CURRENT_TIMESTAMP,\n\tCONSTRAINT `training_reminders_id` PRIMARY KEY(`id`)\n);\n\nCREATE TABLE `tutorial_progress` (\n\t`id` int AUTO_INCREMENT NOT NULL,\n\t`userId` int NOT NULL,\n\t`tutorialId` int NOT NULL,\n\t`watched` int DEFAULT 0,\n\t`comparisonVideoId` int,\n\t`selfScore` float,\n\t`notes` text,\n\t`createdAt` timestamp NOT NULL DEFAULT (now()),\n\t`updatedAt` timestamp NOT NULL DEFAULT (now()) ON UPDATE CURRENT_TIMESTAMP,\n\tCONSTRAINT `tutorial_progress_id` PRIMARY KEY(`id`)\n);\n\nCREATE TABLE `tutorial_videos` (\n\t`id` int AUTO_INCREMENT NOT NULL,\n\t`title` varchar(256) NOT NULL,\n\t`category` varchar(64) NOT NULL,\n\t`skillLevel` enum('beginner','intermediate','advanced') DEFAULT 'beginner',\n\t`description` text,\n\t`keyPoints` json,\n\t`commonMistakes` json,\n\t`videoUrl` text,\n\t`thumbnailUrl` text,\n\t`duration` int,\n\t`sortOrder` int DEFAULT 0,\n\t`isPublished` int DEFAULT 1,\n\t`createdAt` timestamp NOT NULL DEFAULT (now()),\n\t`updatedAt` timestamp NOT NULL DEFAULT (now()) ON UPDATE CURRENT_TIMESTAMP,\n\tCONSTRAINT `tutorial_videos_id` PRIMARY KEY(`id`)\n);",
+  "command": "mysql --batch --raw --column-names --default-character-set=utf8mb4 --host gateway04.us-east-1.prod.aws.tidbcloud.com --port 4000 --user 2DECURBBieadmmU.root --database auVVpV3E7dpuxwRrSUT9kL --execute CREATE TABLE `notification_log` (\n\t`id` int AUTO_INCREMENT NOT NULL,\n\t`userId` int NOT NULL,\n\t`reminderId` int,\n\t`notificationType` varchar(32) NOT NULL,\n\t`title` varchar(256) NOT NULL,\n\t`message` text,\n\t`isRead` int DEFAULT 0,\n\t`createdAt` timestamp NOT NULL DEFAULT (now()),\n\tCONSTRAINT `notification_log_id` PRIMARY KEY(`id`)\n);\n\nCREATE TABLE `training_reminders` (\n\t`id` int AUTO_INCREMENT NOT NULL,\n\t`userId` int NOT NULL,\n\t`reminderType` varchar(32) NOT NULL,\n\t`title` varchar(256) NOT NULL,\n\t`message` text,\n\t`timeOfDay` varchar(5) NOT NULL,\n\t`daysOfWeek` json NOT NULL,\n\t`isActive` int DEFAULT 1,\n\t`lastTriggered` timestamp,\n\t`createdAt` timestamp NOT NULL DEFAULT (now()),\n\t`updatedAt` timestamp NOT NULL DEFAULT (now()) ON UPDATE CURRENT_TIMESTAMP,\n\tCONSTRAINT `training_reminders_id` PRIMARY KEY(`id`)\n);\n\nCREATE TABLE `tutorial_progress` (\n\t`id` int AUTO_INCREMENT NOT NULL,\n\t`userId` int NOT NULL,\n\t`tutorialId` int NOT NULL,\n\t`watched` int DEFAULT 0,\n\t`comparisonVideoId` int,\n\t`selfScore` float,\n\t`notes` text,\n\t`createdAt` timestamp NOT NULL DEFAULT (now()),\n\t`updatedAt` timestamp NOT NULL DEFAULT (now()) ON UPDATE CURRENT_TIMESTAMP,\n\tCONSTRAINT `tutorial_progress_id` PRIMARY KEY(`id`)\n);\n\nCREATE TABLE `tutorial_videos` (\n\t`id` int AUTO_INCREMENT NOT NULL,\n\t`title` varchar(256) NOT NULL,\n\t`category` varchar(64) NOT NULL,\n\t`skillLevel` enum('beginner','intermediate','advanced') DEFAULT 'beginner',\n\t`description` text,\n\t`keyPoints` json,\n\t`commonMistakes` json,\n\t`videoUrl` text,\n\t`thumbnailUrl` text,\n\t`duration` int,\n\t`sortOrder` int DEFAULT 0,\n\t`isPublished` int DEFAULT 1,\n\t`createdAt` timestamp NOT NULL DEFAULT (now()),\n\t`updatedAt` timestamp NOT NULL DEFAULT (now()) ON UPDATE CURRENT_TIMESTAMP,\n\tCONSTRAINT `tutorial_videos_id` PRIMARY KEY(`id`)\n);",
+  "rows": [],
+  "messages": [],
+  "stdout": "",
+  "stderr": "",
+  "execution_time_ms": 3057
+}
\ No newline at end of file
diff --git a/client/src/App.tsx b/client/src/App.tsx
index 8f2eda0..781275d 100644
--- a/client/src/App.tsx
+++ b/client/src/App.tsx
@@ -17,6 +17,8 @@ import Leaderboard from "./pages/Leaderboard";
 import Checkin from "./pages/Checkin";
 import LiveCamera from "./pages/LiveCamera";
 import Recorder from "./pages/Recorder";
+import Tutorials from "./pages/Tutorials";
+import Reminders from "./pages/Reminders";
 
 function DashboardRoute({ component: Component }: { component: React.ComponentType }) {
   return (
@@ -61,6 +63,12 @@ function Router() {
       <Route path="/recorder">
         <DashboardRoute component={Recorder} />
       </Route>
+      <Route path="/tutorials">
+        <DashboardRoute component={Tutorials} />
+      </Route>
+      <Route path="/reminders">
+        <DashboardRoute component={Reminders} />
+      </Route>
       <Route path="/404" component={NotFound} />
       <Route component={NotFound} />
     </Switch>
diff --git a/client/src/components/DashboardLayout.tsx b/client/src/components/DashboardLayout.tsx
index b29dffd..f691ea0 100644
--- a/client/src/components/DashboardLayout.tsx
+++ b/client/src/components/DashboardLayout.tsx
@@ -22,7 +22,8 @@ import {
 import { useIsMobile } from "@/hooks/useMobile";
 import {
   LayoutDashboard, LogOut, PanelLeft, Target, Video,
-  Award, Activity, FileVideo, Trophy, Flame, Camera, CircleDot
+  Award, Activity, FileVideo, Trophy, Flame, Camera, CircleDot,
+  BookOpen, Bell
 } from "lucide-react";
 import { CSSProperties, useEffect, useRef, useState } from "react";
 import { useLocation, Redirect } from "wouter";
@@ -39,6 +40,8 @@ const menuItems = [
   { icon: Activity, label: "训练进度", path: "/progress", group: "stats" },
   { icon: Award, label: "NTRP评分", path: "/rating", group: "stats" },
   { icon: Trophy, label: "排行榜", path: "/leaderboard", group: "stats" },
+  { icon: BookOpen, label: "教程库", path: "/tutorials", group: "learn" },
+  { icon: Bell, label: "训练提醒", path: "/reminders", group: "learn" },
 ];
 
 const SIDEBAR_WIDTH_KEY = "sidebar-width";
@@ -226,6 +229,27 @@ function DashboardLayoutContent({
                   </SidebarMenuItem>
                 );
               })}
+
+              {/* Divider */}
+              {!isCollapsed && <div className="my-2 mx-2 border-t border-border/50" />}
+              {!isCollapsed && <p className="px-3 text-[10px] font-medium text-muted-foreground uppercase tracking-wider mb-1">学习与提醒</p>}
+
+              {menuItems.filter(i => i.group === "learn").map(item => {
+                const isActive = location === item.path;
+                return (
+                  <SidebarMenuItem key={item.path}>
+                    <SidebarMenuButton
+                      isActive={isActive}
+                      onClick={() => setLocation(item.path)}
+                      tooltip={item.label}
+                      className={`h-10 transition-all font-normal`}
+                    >
+                      <item.icon className={`h-4 w-4 ${isActive ? "text-primary" : ""}`} />
+                      <span>{item.label}</span>
+                    </SidebarMenuButton>
+                  </SidebarMenuItem>
+                );
+              })}
             </SidebarMenu>
           </SidebarContent>
 
diff --git a/client/src/pages/Analysis.tsx b/client/src/pages/Analysis.tsx
index 9fbc498..613ce04 100644
--- a/client/src/pages/Analysis.tsx
+++ b/client/src/pages/Analysis.tsx
@@ -315,7 +315,7 @@ export default function Analysis() {
     <div className="space-y-6">
       <div>
         <h1 className="text-2xl font-bold tracking-tight">视频姿势分析</h1>
-        <p className="text-muted-foreground text-sm mt-1">上传训练视频，AI自动识别姿势并给出矫正建议</p>
+        <p className="text-muted-foreground text-sm mt-1">AI姿势识别与矫正反馈</p>
       </div>
 
       {/* Upload section */}
diff --git a/client/src/pages/Home.tsx b/client/src/pages/Home.tsx
index 77e0fd5..18ff403 100644
--- a/client/src/pages/Home.tsx
+++ b/client/src/pages/Home.tsx
@@ -19,7 +19,7 @@ export default function Home() {
       <header className="container py-6 flex items-center justify-between">
         <div className="flex items-center gap-2">
           <Target className="h-6 w-6 text-primary" />
-          <span className="font-bold text-lg tracking-tight">Tennis Training Hub</span>
+          <span className="font-bold text-lg tracking-tight">Tennis Hub</span>
         </div>
         <Button onClick={() => setLocation("/login")} variant="default" size="sm">
           开始使用
@@ -30,19 +30,18 @@ export default function Home() {
         <div className="max-w-3xl mx-auto text-center">
           <div className="inline-flex items-center gap-2 px-3 py-1 rounded-full bg-primary/10 text-primary text-sm font-medium mb-6">
             <Zap className="h-3.5 w-3.5" />
-            AI驱动的网球训练助手
+            AI网球训练助手
           </div>
           <h1 className="text-4xl md:text-5xl lg:text-6xl font-bold tracking-tight leading-tight">
-            在家也能提升
-            <span className="text-primary block mt-1">网球技术水平</span>
+            精准分析
+            <span className="text-primary block mt-1">高效提升</span>
           </h1>
           <p className="text-lg text-muted-foreground mt-6 max-w-xl mx-auto leading-relaxed">
-            只需一支球拍，通过AI姿势识别和智能训练计划，在家高效训练。
-            实时分析挥拍动作，自动评分，持续进步。
+            AI姿势识别 · 智能训练计划 · 实时动作分析 · 自动评分反馈
           </p>
           <div className="flex items-center justify-center gap-3 mt-8">
             <Button onClick={() => setLocation("/login")} size="lg" className="gap-2 h-12 px-6">
-              免费开始训练
+              开始训练
               <ChevronRight className="h-4 w-4" />
             </Button>
           </div>
@@ -57,37 +56,37 @@ export default function Home() {
             {
               icon: Video,
               title: "AI姿势识别",
-              desc: "基于MediaPipe的浏览器端实时姿势分析，识别33个身体关键点，精准评估挥拍动作",
+              desc: "MediaPipe实时分析33个关键点，精准评估挥拍动作",
               color: "bg-blue-50 text-blue-600",
             },
             {
               icon: Target,
               title: "智能训练计划",
-              desc: "根据您的水平和分析结果，AI自动生成和调整个性化训练方案，只需球拍即可在家训练",
+              desc: "根据水平和分析结果，AI自动生成和调整训练方案",
               color: "bg-green-50 text-green-600",
             },
             {
               icon: Award,
               title: "NTRP自动评分",
-              desc: "基于美国网球协会标准，从5个维度综合评估您的技术水平，自动更新评分",
+              desc: "USTA标准五维度评估，每次分析自动更新评分",
               color: "bg-purple-50 text-purple-600",
             },
             {
               icon: Zap,
-              title: "击球统计分析",
-              desc: "自动检测击球次数、挥拍速度、击球一致性，量化每次训练效果",
+              title: "击球统计",
+              desc: "击球次数、挥拍速度、一致性，量化训练效果",
               color: "bg-orange-50 text-orange-600",
             },
             {
               icon: Footprints,
-              title: "运动轨迹追踪",
-              desc: "记录身体重心移动轨迹，分析脚步移动模式，提升步法灵活性",
+              title: "运动轨迹",
+              desc: "重心移动轨迹分析，优化脚步移动模式",
               color: "bg-teal-50 text-teal-600",
             },
             {
               icon: TrendingUp,
-              title: "进度可视化",
-              desc: "直观展示训练历史、能力提升趋势和评分变化，激励持续进步",
+              title: "进度追踪",
+              desc: "训练历史、能力趋势、评分变化一目了然",
               color: "bg-indigo-50 text-indigo-600",
             },
           ].map((feature) => (
@@ -107,10 +106,10 @@ export default function Home() {
         <h2 className="text-2xl font-bold text-center mb-12">使用流程</h2>
         <div className="grid grid-cols-1 md:grid-cols-4 gap-6 max-w-4xl mx-auto">
           {[
-            { step: "1", title: "输入用户名", desc: "无需注册，输入用户名即可开始" },
-            { step: "2", title: "生成训练计划", desc: "选择水平，AI生成个性化方案" },
-            { step: "3", title: "上传训练视频", desc: "录制挥拍视频并上传分析" },
-            { step: "4", title: "获取评分建议", desc: "查看分析结果和矫正建议" },
+            { step: "1", title: "输入用户名", desc: "用户名登录即可" },
+            { step: "2", title: "生成计划", desc: "AI个性化训练方案" },
+            { step: "3", title: "上传视频", desc: "录制挥拍并分析" },
+            { step: "4", title: "获取反馈", desc: "评分与矫正建议" },
           ].map((item) => (
             <div key={item.step} className="text-center">
               <div className="h-12 w-12 rounded-full bg-primary text-primary-foreground flex items-center justify-center text-lg font-bold mx-auto mb-3">
@@ -126,8 +125,8 @@ export default function Home() {
       {/* CTA */}
       <section className="container py-16">
         <div className="max-w-2xl mx-auto text-center p-8 rounded-2xl bg-primary/5">
-          <h2 className="text-2xl font-bold mb-3">准备好提升网球技术了吗？</h2>
-          <p className="text-muted-foreground mb-6">完全免费，无需注册，输入用户名即可开始</p>
+          <h2 className="text-2xl font-bold mb-3">提升技术，从这里开始</h2>
+          <p className="text-muted-foreground mb-6">输入用户名即可使用全部功能</p>
           <Button onClick={() => setLocation("/login")} size="lg" className="gap-2">
             立即开始
             <ChevronRight className="h-4 w-4" />
@@ -140,9 +139,9 @@ export default function Home() {
         <div className="flex items-center justify-between text-xs text-muted-foreground">
           <div className="flex items-center gap-2">
             <Target className="h-4 w-4" />
-            <span>Tennis Training Hub</span>
+            <span>Tennis Hub</span>
           </div>
-          <span>AI驱动的在家网球训练助手</span>
+          <span>AI网球训练助手</span>
         </div>
       </footer>
     </div>
diff --git a/client/src/pages/Login.tsx b/client/src/pages/Login.tsx
index c2e0507..3670bf1 100644
--- a/client/src/pages/Login.tsx
+++ b/client/src/pages/Login.tsx
@@ -36,8 +36,8 @@ export default function Login() {
           <div className="inline-flex items-center justify-center w-16 h-16 rounded-2xl bg-primary/10 mb-4">
             <Target className="w-8 h-8 text-primary" />
           </div>
-          <h1 className="text-3xl font-bold tracking-tight">Tennis Training Hub</h1>
-          <p className="text-muted-foreground mt-2">AI驱动的在家网球训练助手</p>
+          <h1 className="text-3xl font-bold tracking-tight">Tennis Hub</h1>
+          <p className="text-muted-foreground mt-2">AI网球训练助手</p>
         </div>
 
         <Card className="border-0 shadow-xl">
@@ -94,7 +94,7 @@ export default function Login() {
         </Card>
 
         <p className="text-center text-xs text-muted-foreground mt-6">
-          无需注册，输入用户名即可使用全部功能
+          输入用户名即可使用全部功能
         </p>
       </div>
     </div>
diff --git a/client/src/pages/Reminders.tsx b/client/src/pages/Reminders.tsx
new file mode 100644
index 0000000..9688a26
--- /dev/null
+++ b/client/src/pages/Reminders.tsx
@@ -0,0 +1,472 @@
+import { useAuth } from "@/_core/hooks/useAuth";
+import { trpc } from "@/lib/trpc";
+import { Button } from "@/components/ui/button";
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+import { Badge } from "@/components/ui/badge";
+import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogTrigger, DialogFooter } from "@/components/ui/dialog";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@/components/ui/select";
+import { Switch } from "@/components/ui/switch";
+import { Textarea } from "@/components/ui/textarea";
+import { ScrollArea } from "@/components/ui/scroll-area";
+import { Separator } from "@/components/ui/separator";
+import { toast } from "sonner";
+import { useState, useEffect, useCallback, useMemo } from "react";
+import {
+  Bell, BellRing, Plus, Trash2, Clock, Calendar,
+  CheckCircle2, XCircle, Settings, BellOff, Volume2
+} from "lucide-react";
+
+const DAY_NAMES = ["日", "一", "二", "三", "四", "五", "六"];
+
+const REMINDER_TYPES = [
+  { value: "training", label: "训练提醒", icon: <Clock className="w-4 h-4" /> },
+  { value: "checkin", label: "打卡提醒", icon: <CheckCircle2 className="w-4 h-4" /> },
+  { value: "analysis", label: "分析提醒", icon: <Settings className="w-4 h-4" /> },
+];
+
+export default function Reminders() {
+  const { user } = useAuth();
+  const [showCreate, setShowCreate] = useState(false);
+  const [newReminder, setNewReminder] = useState({
+    reminderType: "training",
+    title: "",
+    message: "",
+    timeOfDay: "08:00",
+    daysOfWeek: [1, 2, 3, 4, 5] as number[],
+  });
+
+  const utils = trpc.useUtils();
+  const { data: reminders, isLoading } = trpc.reminder.list.useQuery(undefined, { enabled: !!user });
+  const { data: notifications } = trpc.notification.list.useQuery(undefined, { enabled: !!user });
+  const { data: unreadCount } = trpc.notification.unreadCount.useQuery(undefined, { enabled: !!user });
+
+  const createReminder = trpc.reminder.create.useMutation({
+    onSuccess: () => {
+      toast.success("提醒已创建");
+      setShowCreate(false);
+      setNewReminder({ reminderType: "training", title: "", message: "", timeOfDay: "08:00", daysOfWeek: [1, 2, 3, 4, 5] });
+      utils.reminder.list.invalidate();
+    },
+  });
+
+  const deleteReminder = trpc.reminder.delete.useMutation({
+    onSuccess: () => {
+      toast.success("提醒已删除");
+      utils.reminder.list.invalidate();
+    },
+  });
+
+  const toggleReminder = trpc.reminder.toggle.useMutation({
+    onSuccess: () => {
+      utils.reminder.list.invalidate();
+    },
+  });
+
+  const markAllRead = trpc.notification.markAllRead.useMutation({
+    onSuccess: () => {
+      utils.notification.list.invalidate();
+      utils.notification.unreadCount.invalidate();
+      toast.success("全部已读");
+    },
+  });
+
+  const markRead = trpc.notification.markRead.useMutation({
+    onSuccess: () => {
+      utils.notification.list.invalidate();
+      utils.notification.unreadCount.invalidate();
+    },
+  });
+
+  const toggleDay = useCallback((day: number) => {
+    setNewReminder(prev => ({
+      ...prev,
+      daysOfWeek: prev.daysOfWeek.includes(day)
+        ? prev.daysOfWeek.filter(d => d !== day)
+        : [...prev.daysOfWeek, day].sort(),
+    }));
+  }, []);
+
+  const handleCreate = () => {
+    if (!newReminder.title.trim()) {
+      toast.error("请输入提醒标题");
+      return;
+    }
+    if (newReminder.daysOfWeek.length === 0) {
+      toast.error("请至少选择一天");
+      return;
+    }
+    createReminder.mutate(newReminder);
+  };
+
+  // Browser notification permission
+  const [notifPermission, setNotifPermission] = useState<NotificationPermission>("default");
+
+  useEffect(() => {
+    if ("Notification" in window) {
+      setNotifPermission(Notification.permission);
+    }
+  }, []);
+
+  const requestPermission = async () => {
+    if ("Notification" in window) {
+      const perm = await Notification.requestPermission();
+      setNotifPermission(perm);
+      if (perm === "granted") {
+        toast.success("通知权限已开启");
+        new Notification("Tennis Training Hub", { body: "训练提醒已开启！" });
+      }
+    }
+  };
+
+  // Check reminders and trigger browser notifications
+  useEffect(() => {
+    if (!reminders || notifPermission !== "granted") return;
+
+    const checkInterval = setInterval(() => {
+      const now = new Date();
+      const currentTime = `${String(now.getHours()).padStart(2, "0")}:${String(now.getMinutes()).padStart(2, "0")}`;
+      const currentDay = now.getDay();
+
+      reminders.forEach((r: any) => {
+        if (r.isActive && r.timeOfDay === currentTime) {
+          const days = typeof r.daysOfWeek === "string" ? JSON.parse(r.daysOfWeek) : r.daysOfWeek;
+          if (Array.isArray(days) && days.includes(currentDay)) {
+            new Notification(r.title, {
+              body: r.message || "该训练了！",
+              icon: "/favicon.ico",
+            });
+          }
+        }
+      });
+    }, 60000); // Check every minute
+
+    return () => clearInterval(checkInterval);
+  }, [reminders, notifPermission]);
+
+  const activeReminders = useMemo(() => reminders?.filter((r: any) => r.isActive) || [], [reminders]);
+  const inactiveReminders = useMemo(() => reminders?.filter((r: any) => !r.isActive) || [], [reminders]);
+
+  if (isLoading) {
+    return (
+      <div className="flex items-center justify-center min-h-[60vh]">
+        <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-primary" />
+      </div>
+    );
+  }
+
+  return (
+    <div className="space-y-6">
+      {/* Header */}
+      <div className="flex items-center justify-between flex-wrap gap-3">
+        <div>
+          <h1 className="text-2xl font-bold flex items-center gap-2">
+            <Bell className="w-6 h-6 text-primary" />
+            训练提醒
+          </h1>
+          <p className="text-muted-foreground mt-1">设置定时提醒，保持训练节奏</p>
+        </div>
+        <div className="flex gap-2">
+          {notifPermission !== "granted" && (
+            <Button variant="outline" size="sm" onClick={requestPermission} className="gap-1">
+              <Volume2 className="w-4 h-4" />
+              开启通知
+            </Button>
+          )}
+          <Dialog open={showCreate} onOpenChange={setShowCreate}>
+            <DialogTrigger asChild>
+              <Button size="sm" className="gap-1">
+                <Plus className="w-4 h-4" />
+                新建提醒
+              </Button>
+            </DialogTrigger>
+            <DialogContent>
+              <DialogHeader>
+                <DialogTitle>创建训练提醒</DialogTitle>
+              </DialogHeader>
+              <div className="space-y-4">
+                <div>
+                  <Label>提醒类型</Label>
+                  <Select value={newReminder.reminderType} onValueChange={v => setNewReminder(p => ({ ...p, reminderType: v }))}>
+                    <SelectTrigger><SelectValue /></SelectTrigger>
+                    <SelectContent>
+                      {REMINDER_TYPES.map(t => (
+                        <SelectItem key={t.value} value={t.value}>
+                          <span className="flex items-center gap-2">{t.icon} {t.label}</span>
+                        </SelectItem>
+                      ))}
+                    </SelectContent>
+                  </Select>
+                </div>
+                <div>
+                  <Label>标题</Label>
+                  <Input
+                    placeholder="例：每日正手练习"
+                    value={newReminder.title}
+                    onChange={e => setNewReminder(p => ({ ...p, title: e.target.value }))}
+                  />
+                </div>
+                <div>
+                  <Label>提醒内容（可选）</Label>
+                  <Textarea
+                    placeholder="例：记得做10分钟影子挥拍..."
+                    value={newReminder.message}
+                    onChange={e => setNewReminder(p => ({ ...p, message: e.target.value }))}
+                    rows={2}
+                  />
+                </div>
+                <div>
+                  <Label>提醒时间</Label>
+                  <Input
+                    type="time"
+                    value={newReminder.timeOfDay}
+                    onChange={e => setNewReminder(p => ({ ...p, timeOfDay: e.target.value }))}
+                  />
+                </div>
+                <div>
+                  <Label>重复日期</Label>
+                  <div className="flex gap-1.5 mt-1.5">
+                    {DAY_NAMES.map((name, i) => (
+                      <button
+                        key={i}
+                        onClick={() => toggleDay(i)}
+                        className={`w-9 h-9 rounded-full text-sm font-medium transition-colors ${
+                          newReminder.daysOfWeek.includes(i)
+                            ? "bg-primary text-primary-foreground"
+                            : "bg-muted text-muted-foreground hover:bg-muted/80"
+                        }`}
+                      >
+                        {name}
+                      </button>
+                    ))}
+                  </div>
+                  <div className="flex gap-2 mt-2">
+                    <Button variant="ghost" size="sm" onClick={() => setNewReminder(p => ({ ...p, daysOfWeek: [1, 2, 3, 4, 5] }))}>
+                      工作日
+                    </Button>
+                    <Button variant="ghost" size="sm" onClick={() => setNewReminder(p => ({ ...p, daysOfWeek: [0, 6] }))}>
+                      周末
+                    </Button>
+                    <Button variant="ghost" size="sm" onClick={() => setNewReminder(p => ({ ...p, daysOfWeek: [0, 1, 2, 3, 4, 5, 6] }))}>
+                      每天
+                    </Button>
+                  </div>
+                </div>
+              </div>
+              <DialogFooter>
+                <Button variant="outline" onClick={() => setShowCreate(false)}>取消</Button>
+                <Button onClick={handleCreate} disabled={createReminder.isPending}>
+                  {createReminder.isPending ? "创建中..." : "创建"}
+                </Button>
+              </DialogFooter>
+            </DialogContent>
+          </Dialog>
+        </div>
+      </div>
+
+      {/* Notification Permission Banner */}
+      {notifPermission === "default" && (
+        <Card className="border-amber-200 bg-amber-50">
+          <CardContent className="pt-4 flex items-center justify-between">
+            <div className="flex items-center gap-3">
+              <BellRing className="w-5 h-5 text-amber-600" />
+              <div>
+                <p className="font-medium text-amber-900">开启浏览器通知</p>
+                <p className="text-sm text-amber-700">允许通知后，到达设定时间时会收到提醒</p>
+              </div>
+            </div>
+            <Button size="sm" onClick={requestPermission}>允许通知</Button>
+          </CardContent>
+        </Card>
+      )}
+
+      {notifPermission === "denied" && (
+        <Card className="border-red-200 bg-red-50">
+          <CardContent className="pt-4 flex items-center gap-3">
+            <BellOff className="w-5 h-5 text-red-600" />
+            <div>
+              <p className="font-medium text-red-900">通知已被禁用</p>
+              <p className="text-sm text-red-700">请在浏览器设置中手动开启本站通知权限</p>
+            </div>
+          </CardContent>
+        </Card>
+      )}
+
+      {/* Active Reminders */}
+      <div>
+        <h2 className="text-lg font-semibold mb-3 flex items-center gap-2">
+          <BellRing className="w-5 h-5 text-green-600" />
+          活跃提醒 ({activeReminders.length})
+        </h2>
+        {activeReminders.length === 0 ? (
+          <Card>
+            <CardContent className="pt-6 text-center text-muted-foreground">
+              <Bell className="w-10 h-10 mx-auto mb-2 opacity-50" />
+              <p>暂无活跃提醒，点击"新建提醒"开始</p>
+            </CardContent>
+          </Card>
+        ) : (
+          <div className="grid grid-cols-1 md:grid-cols-2 gap-3">
+            {activeReminders.map((reminder: any) => {
+              const days = typeof reminder.daysOfWeek === "string" ? JSON.parse(reminder.daysOfWeek) : reminder.daysOfWeek;
+              const type = REMINDER_TYPES.find(t => t.value === reminder.reminderType);
+              return (
+                <Card key={reminder.id} className="hover:shadow-sm transition-shadow">
+                  <CardContent className="pt-4">
+                    <div className="flex items-start justify-between">
+                      <div className="flex-1">
+                        <div className="flex items-center gap-2 mb-1">
+                          {type?.icon}
+                          <span className="font-medium">{reminder.title}</span>
+                        </div>
+                        {reminder.message && (
+                          <p className="text-sm text-muted-foreground mb-2">{reminder.message}</p>
+                        )}
+                        <div className="flex items-center gap-3 text-sm">
+                          <span className="flex items-center gap-1 text-primary font-mono">
+                            <Clock className="w-3.5 h-3.5" />
+                            {reminder.timeOfDay}
+                          </span>
+                          <div className="flex gap-0.5">
+                            {DAY_NAMES.map((name, i) => (
+                              <span
+                                key={i}
+                                className={`w-5 h-5 rounded-full text-xs flex items-center justify-center ${
+                                  Array.isArray(days) && days.includes(i)
+                                    ? "bg-primary/10 text-primary font-medium"
+                                    : "text-muted-foreground/40"
+                                }`}
+                              >
+                                {name}
+                              </span>
+                            ))}
+                          </div>
+                        </div>
+                      </div>
+                      <div className="flex items-center gap-2 ml-2">
+                        <Switch
+                          checked={!!reminder.isActive}
+                          onCheckedChange={checked => toggleReminder.mutate({ reminderId: reminder.id, isActive: checked ? 1 : 0 })}
+                        />
+                        <Button
+                          variant="ghost"
+                          size="icon"
+                          className="h-8 w-8 text-destructive hover:text-destructive"
+                          onClick={() => deleteReminder.mutate({ reminderId: reminder.id })}
+                        >
+                          <Trash2 className="w-4 h-4" />
+                        </Button>
+                      </div>
+                    </div>
+                  </CardContent>
+                </Card>
+              );
+            })}
+          </div>
+        )}
+      </div>
+
+      {/* Inactive Reminders */}
+      {inactiveReminders.length > 0 && (
+        <div>
+          <h2 className="text-lg font-semibold mb-3 flex items-center gap-2">
+            <BellOff className="w-5 h-5 text-muted-foreground" />
+            已暂停 ({inactiveReminders.length})
+          </h2>
+          <div className="grid grid-cols-1 md:grid-cols-2 gap-3">
+            {inactiveReminders.map((reminder: any) => {
+              const days = typeof reminder.daysOfWeek === "string" ? JSON.parse(reminder.daysOfWeek) : reminder.daysOfWeek;
+              return (
+                <Card key={reminder.id} className="opacity-60">
+                  <CardContent className="pt-4">
+                    <div className="flex items-start justify-between">
+                      <div>
+                        <span className="font-medium">{reminder.title}</span>
+                        <div className="flex items-center gap-2 text-sm text-muted-foreground mt-1">
+                          <Clock className="w-3.5 h-3.5" />
+                          {reminder.timeOfDay}
+                        </div>
+                      </div>
+                      <div className="flex items-center gap-2">
+                        <Switch
+                          checked={false}
+                          onCheckedChange={checked => toggleReminder.mutate({ reminderId: reminder.id, isActive: checked ? 1 : 0 })}
+                        />
+                        <Button
+                          variant="ghost"
+                          size="icon"
+                          className="h-8 w-8 text-destructive hover:text-destructive"
+                          onClick={() => deleteReminder.mutate({ reminderId: reminder.id })}
+                        >
+                          <Trash2 className="w-4 h-4" />
+                        </Button>
+                      </div>
+                    </div>
+                  </CardContent>
+                </Card>
+              );
+            })}
+          </div>
+        </div>
+      )}
+
+      <Separator />
+
+      {/* Notification History */}
+      <div>
+        <div className="flex items-center justify-between mb-3">
+          <h2 className="text-lg font-semibold flex items-center gap-2">
+            <Calendar className="w-5 h-5" />
+            通知记录
+            {(unreadCount as number) > 0 && (
+              <Badge variant="destructive" className="ml-1">{unreadCount as number}</Badge>
+            )}
+          </h2>
+          {(unreadCount as number) > 0 && (
+            <Button variant="ghost" size="sm" onClick={() => markAllRead.mutate()}>
+              全部已读
+            </Button>
+          )}
+        </div>
+        <ScrollArea className="h-[300px]">
+          {(!notifications || notifications.length === 0) ? (
+            <div className="text-center py-8 text-muted-foreground">
+              <Bell className="w-8 h-8 mx-auto mb-2 opacity-50" />
+              <p>暂无通知记录</p>
+            </div>
+          ) : (
+            <div className="space-y-2">
+              {notifications.map((notif: any) => (
+                <div
+                  key={notif.id}
+                  className={`p-3 rounded-lg border transition-colors cursor-pointer ${
+                    notif.isRead ? "bg-background" : "bg-blue-50 border-blue-200"
+                  }`}
+                  onClick={() => !notif.isRead && markRead.mutate({ notificationId: notif.id })}
+                >
+                  <div className="flex items-start justify-between">
+                    <div className="flex items-start gap-2">
+                      {notif.isRead ? (
+                        <CheckCircle2 className="w-4 h-4 text-muted-foreground mt-0.5" />
+                      ) : (
+                        <BellRing className="w-4 h-4 text-blue-600 mt-0.5" />
+                      )}
+                      <div>
+                        <p className={`text-sm ${notif.isRead ? "" : "font-medium"}`}>{notif.title}</p>
+                        {notif.message && <p className="text-xs text-muted-foreground mt-0.5">{notif.message}</p>}
+                      </div>
+                    </div>
+                    <span className="text-xs text-muted-foreground whitespace-nowrap ml-2">
+                      {new Date(notif.createdAt).toLocaleString("zh-CN", { month: "short", day: "numeric", hour: "2-digit", minute: "2-digit" })}
+                    </span>
+                  </div>
+                </div>
+              ))}
+            </div>
+          )}
+        </ScrollArea>
+      </div>
+    </div>
+  );
+}
diff --git a/client/src/pages/Training.tsx b/client/src/pages/Training.tsx
index 1c3249a..609694d 100644
--- a/client/src/pages/Training.tsx
+++ b/client/src/pages/Training.tsx
@@ -96,7 +96,7 @@ export default function Training() {
       <div className="flex items-center justify-between">
         <div>
           <h1 className="text-2xl font-bold tracking-tight">训练计划</h1>
-          <p className="text-muted-foreground text-sm mt-1">AI为您定制的在家网球训练方案</p>
+          <p className="text-muted-foreground text-sm mt-1">AI个性化训练方案</p>
         </div>
       </div>
 
@@ -109,7 +109,7 @@ export default function Training() {
               生成训练计划
             </CardTitle>
             <CardDescription>
-              根据您的水平和目标，AI将生成个性化的在家训练方案（只需球拍）
+              根据水平和目标，AI生成个性化训练方案
             </CardDescription>
           </CardHeader>
           <CardContent className="space-y-4">
diff --git a/client/src/pages/Tutorials.tsx b/client/src/pages/Tutorials.tsx
new file mode 100644
index 0000000..42056a1
--- /dev/null
+++ b/client/src/pages/Tutorials.tsx
@@ -0,0 +1,320 @@
+import { useAuth } from "@/_core/hooks/useAuth";
+import { trpc } from "@/lib/trpc";
+import { Button } from "@/components/ui/button";
+import { Card, CardContent, CardHeader, CardTitle, CardDescription } from "@/components/ui/card";
+import { Badge } from "@/components/ui/badge";
+import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
+import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogTrigger } from "@/components/ui/dialog";
+import { Textarea } from "@/components/ui/textarea";
+import { Progress } from "@/components/ui/progress";
+import { ScrollArea } from "@/components/ui/scroll-area";
+import { toast } from "sonner";
+import { useState, useMemo } from "react";
+import {
+  BookOpen, Play, CheckCircle2, Star, Target,
+  ChevronRight, Filter, AlertTriangle, Lightbulb,
+  ArrowUpDown, Clock, Dumbbell
+} from "lucide-react";
+
+const CATEGORY_LABELS: Record<string, { label: string; icon: React.ReactNode; color: string }> = {
+  forehand: { label: "正手", icon: <Target className="w-4 h-4" />, color: "bg-green-100 text-green-700" },
+  backhand: { label: "反手", icon: <ArrowUpDown className="w-4 h-4" />, color: "bg-blue-100 text-blue-700" },
+  serve: { label: "发球", icon: <Dumbbell className="w-4 h-4" />, color: "bg-purple-100 text-purple-700" },
+  volley: { label: "截击", icon: <Target className="w-4 h-4" />, color: "bg-orange-100 text-orange-700" },
+  footwork: { label: "脚步", icon: <Dumbbell className="w-4 h-4" />, color: "bg-yellow-100 text-yellow-700" },
+  shadow: { label: "影子挥拍", icon: <Play className="w-4 h-4" />, color: "bg-indigo-100 text-indigo-700" },
+  wall: { label: "墙壁练习", icon: <Target className="w-4 h-4" />, color: "bg-pink-100 text-pink-700" },
+  fitness: { label: "体能", icon: <Dumbbell className="w-4 h-4" />, color: "bg-red-100 text-red-700" },
+  strategy: { label: "战术", icon: <Lightbulb className="w-4 h-4" />, color: "bg-teal-100 text-teal-700" },
+};
+
+const SKILL_LABELS: Record<string, { label: string; color: string }> = {
+  beginner: { label: "初级", color: "bg-emerald-100 text-emerald-700" },
+  intermediate: { label: "中级", color: "bg-amber-100 text-amber-700" },
+  advanced: { label: "高级", color: "bg-rose-100 text-rose-700" },
+};
+
+export default function Tutorials() {
+  const { user } = useAuth();
+  const [selectedCategory, setSelectedCategory] = useState<string>("all");
+  const [selectedSkill, setSelectedSkill] = useState<string>("all");
+  const [selectedTutorial, setSelectedTutorial] = useState<number | null>(null);
+  const [notes, setNotes] = useState("");
+
+  const { data: tutorials, isLoading } = trpc.tutorial.list.useQuery({
+    category: selectedCategory === "all" ? undefined : selectedCategory,
+    skillLevel: selectedSkill === "all" ? undefined : selectedSkill,
+  });
+
+  const { data: progressData } = trpc.tutorial.progress.useQuery(undefined, { enabled: !!user });
+
+  const updateProgress = trpc.tutorial.updateProgress.useMutation({
+    onSuccess: () => toast.success("进度已更新"),
+  });
+
+  const progressMap = useMemo(() => {
+    const map: Record<number, any> = {};
+    progressData?.forEach((p: any) => { map[p.tutorialId] = p; });
+    return map;
+  }, [progressData]);
+
+  const totalTutorials = tutorials?.length || 0;
+  const watchedCount = tutorials?.filter((t: any) => progressMap[t.id]?.watched).length || 0;
+  const progressPercent = totalTutorials > 0 ? Math.round((watchedCount / totalTutorials) * 100) : 0;
+
+  const categories = useMemo(() => {
+    const cats = new Set<string>();
+    tutorials?.forEach((t: any) => cats.add(t.category));
+    return Array.from(cats);
+  }, [tutorials]);
+
+  const handleMarkWatched = (tutorialId: number) => {
+    updateProgress.mutate({ tutorialId, watched: 1 });
+  };
+
+  const handleSaveNotes = (tutorialId: number) => {
+    updateProgress.mutate({ tutorialId, notes });
+    setNotes("");
+    toast.success("笔记已保存");
+  };
+
+  const handleSelfScore = (tutorialId: number, score: number) => {
+    updateProgress.mutate({ tutorialId, selfScore: score });
+  };
+
+  if (isLoading) {
+    return (
+      <div className="flex items-center justify-center min-h-[60vh]">
+        <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-primary" />
+      </div>
+    );
+  }
+
+  return (
+    <div className="space-y-6">
+      {/* Header */}
+      <div>
+        <h1 className="text-2xl font-bold flex items-center gap-2">
+          <BookOpen className="w-6 h-6 text-primary" />
+          教程库
+        </h1>
+        <p className="text-muted-foreground mt-1">专业动作分解与要领，对照标准动作提升技术</p>
+      </div>
+
+      {/* Progress Overview */}
+      <Card>
+        <CardContent className="pt-6">
+          <div className="flex items-center justify-between mb-2">
+            <span className="text-sm font-medium">学习进度</span>
+            <span className="text-sm text-muted-foreground">{watchedCount}/{totalTutorials} 已学习</span>
+          </div>
+          <Progress value={progressPercent} className="h-2" />
+          <p className="text-xs text-muted-foreground mt-1">{progressPercent}% 完成</p>
+        </CardContent>
+      </Card>
+
+      {/* Filters */}
+      <div className="flex flex-wrap gap-3">
+        <div className="flex items-center gap-2">
+          <Filter className="w-4 h-4 text-muted-foreground" />
+          <span className="text-sm font-medium">分类:</span>
+        </div>
+        <div className="flex flex-wrap gap-1.5">
+          <Button
+            variant={selectedCategory === "all" ? "default" : "outline"}
+            size="sm"
+            onClick={() => setSelectedCategory("all")}
+          >
+            全部
+          </Button>
+          {Object.entries(CATEGORY_LABELS).map(([key, { label, icon }]) => (
+            <Button
+              key={key}
+              variant={selectedCategory === key ? "default" : "outline"}
+              size="sm"
+              onClick={() => setSelectedCategory(key)}
+              className="gap-1"
+            >
+              {icon} {label}
+            </Button>
+          ))}
+        </div>
+      </div>
+
+      <div className="flex flex-wrap gap-3">
+        <div className="flex items-center gap-2">
+          <Star className="w-4 h-4 text-muted-foreground" />
+          <span className="text-sm font-medium">级别:</span>
+        </div>
+        <div className="flex gap-1.5">
+          <Button
+            variant={selectedSkill === "all" ? "default" : "outline"}
+            size="sm"
+            onClick={() => setSelectedSkill("all")}
+          >
+            全部
+          </Button>
+          {Object.entries(SKILL_LABELS).map(([key, { label }]) => (
+            <Button
+              key={key}
+              variant={selectedSkill === key ? "default" : "outline"}
+              size="sm"
+              onClick={() => setSelectedSkill(key)}
+            >
+              {label}
+            </Button>
+          ))}
+        </div>
+      </div>
+
+      {/* Tutorial Grid */}
+      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+        {tutorials?.map((tutorial: any) => {
+          const cat = CATEGORY_LABELS[tutorial.category] || { label: tutorial.category, color: "bg-gray-100 text-gray-700" };
+          const skill = SKILL_LABELS[tutorial.skillLevel] || { label: tutorial.skillLevel, color: "bg-gray-100 text-gray-700" };
+          const progress = progressMap[tutorial.id];
+          const isWatched = progress?.watched === 1;
+          const keyPoints = typeof tutorial.keyPoints === "string" ? JSON.parse(tutorial.keyPoints) : tutorial.keyPoints || [];
+          const mistakes = typeof tutorial.commonMistakes === "string" ? JSON.parse(tutorial.commonMistakes) : tutorial.commonMistakes || [];
+
+          return (
+            <Dialog key={tutorial.id}>
+              <DialogTrigger asChild>
+                <Card className={`cursor-pointer hover:shadow-md transition-all ${isWatched ? "border-green-300 bg-green-50/30" : ""}`}>
+                  <CardHeader className="pb-3">
+                    <div className="flex items-start justify-between">
+                      <div className="flex gap-2 flex-wrap">
+                        <Badge variant="secondary" className={cat.color}>{cat.label}</Badge>
+                        <Badge variant="secondary" className={skill.color}>{skill.label}</Badge>
+                      </div>
+                      {isWatched && <CheckCircle2 className="w-5 h-5 text-green-600 shrink-0" />}
+                    </div>
+                    <CardTitle className="text-base mt-2">{tutorial.title}</CardTitle>
+                    <CardDescription className="line-clamp-2">{tutorial.description}</CardDescription>
+                  </CardHeader>
+                  <CardContent className="pt-0">
+                    <div className="flex items-center justify-between text-xs text-muted-foreground">
+                      <span className="flex items-center gap-1">
+                        <Clock className="w-3 h-3" />
+                        {Math.round((tutorial.duration || 0) / 60)}分钟
+                      </span>
+                      <span className="flex items-center gap-1">
+                        {keyPoints.length}个要点
+                        <ChevronRight className="w-3 h-3" />
+                      </span>
+                    </div>
+                    {progress?.selfScore && (
+                      <div className="flex items-center gap-1 mt-2">
+                        {[1, 2, 3, 4, 5].map(s => (
+                          <Star key={s} className={`w-3 h-3 ${s <= progress.selfScore ? "fill-yellow-400 text-yellow-400" : "text-gray-300"}`} />
+                        ))}
+                        <span className="text-xs text-muted-foreground ml-1">自评</span>
+                      </div>
+                    )}
+                  </CardContent>
+                </Card>
+              </DialogTrigger>
+
+              <DialogContent className="max-w-2xl max-h-[85vh] overflow-hidden flex flex-col">
+                <DialogHeader>
+                  <div className="flex gap-2 mb-2">
+                    <Badge variant="secondary" className={cat.color}>{cat.label}</Badge>
+                    <Badge variant="secondary" className={skill.color}>{skill.label}</Badge>
+                    <Badge variant="outline" className="gap-1">
+                      <Clock className="w-3 h-3" />
+                      {Math.round((tutorial.duration || 0) / 60)}分钟
+                    </Badge>
+                  </div>
+                  <DialogTitle className="text-xl">{tutorial.title}</DialogTitle>
+                </DialogHeader>
+
+                <ScrollArea className="flex-1 pr-4">
+                  <div className="space-y-5">
+                    <p className="text-muted-foreground">{tutorial.description}</p>
+
+                    {/* Key Points */}
+                    <div>
+                      <h3 className="font-semibold flex items-center gap-2 mb-3">
+                        <Lightbulb className="w-4 h-4 text-yellow-500" />
+                        技术要点
+                      </h3>
+                      <div className="space-y-2">
+                        {keyPoints.map((point: string, i: number) => (
+                          <div key={i} className="flex items-start gap-2 p-2 rounded-lg bg-green-50 border border-green-100">
+                            <CheckCircle2 className="w-4 h-4 text-green-600 mt-0.5 shrink-0" />
+                            <span className="text-sm">{point}</span>
+                          </div>
+                        ))}
+                      </div>
+                    </div>
+
+                    {/* Common Mistakes */}
+                    <div>
+                      <h3 className="font-semibold flex items-center gap-2 mb-3">
+                        <AlertTriangle className="w-4 h-4 text-orange-500" />
+                        常见错误
+                      </h3>
+                      <div className="space-y-2">
+                        {mistakes.map((mistake: string, i: number) => (
+                          <div key={i} className="flex items-start gap-2 p-2 rounded-lg bg-orange-50 border border-orange-100">
+                            <AlertTriangle className="w-4 h-4 text-orange-500 mt-0.5 shrink-0" />
+                            <span className="text-sm">{mistake}</span>
+                          </div>
+                        ))}
+                      </div>
+                    </div>
+
+                    {/* Self Assessment */}
+                    {user && (
+                      <div>
+                        <h3 className="font-semibold mb-3">自我评估</h3>
+                        <div className="flex items-center gap-2 mb-3">
+                          <span className="text-sm text-muted-foreground">掌握程度:</span>
+                          {[1, 2, 3, 4, 5].map(s => (
+                            <button
+                              key={s}
+                              onClick={() => handleSelfScore(tutorial.id, s)}
+                              className="hover:scale-110 transition-transform"
+                            >
+                              <Star className={`w-6 h-6 ${s <= (progress?.selfScore || 0) ? "fill-yellow-400 text-yellow-400" : "text-gray-300 hover:text-yellow-300"}`} />
+                            </button>
+                          ))}
+                        </div>
+
+                        <Textarea
+                          placeholder="记录学习笔记和心得..."
+                          value={notes || progress?.notes || ""}
+                          onChange={e => setNotes(e.target.value)}
+                          className="mb-2"
+                          rows={3}
+                        />
+                        <div className="flex gap-2">
+                          <Button size="sm" onClick={() => handleSaveNotes(tutorial.id)}>
+                            保存笔记
+                          </Button>
+                          {!isWatched && (
+                            <Button size="sm" variant="outline" onClick={() => handleMarkWatched(tutorial.id)} className="gap-1">
+                              <CheckCircle2 className="w-4 h-4" />
+                              标记已学习
+                            </Button>
+                          )}
+                        </div>
+                      </div>
+                    )}
+                  </div>
+                </ScrollArea>
+              </DialogContent>
+            </Dialog>
+          );
+        })}
+      </div>
+
+      {tutorials?.length === 0 && (
+        <div className="text-center py-12 text-muted-foreground">
+          <BookOpen className="w-12 h-12 mx-auto mb-3 opacity-50" />
+          <p>暂无匹配的教程</p>
+        </div>
+      )}
+    </div>
+  );
+}
diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index f08d85b..7f12ebf 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,5 +1,30 @@
 # Tennis Training Hub - 变更日志
 
+## v3.0.0 (2026-03-14)
+
+### 新增功能
+
+- **训练视频教程库**：分类浏览（正手/反手/发球/截击/脚步/体能），含要点说明和常见错误
+- **教程自评系统**：星级自评、学习笔记、已学标记、学习进度追踪
+- **训练提醒通知**：支持训练/打卡/分析多类型提醒，自定义时间和重复日期
+- **浏览器通知推送**：Notification API集成，权限管理和状态提示
+- **通知记录管理**：未读计数、全部标记已读、历史记录浏览
+- **文案优化**：去除“在家”等冗余描述，简化为直接信息反馈
+
+### 数据库变更
+
+- 新增 `tutorial_videos` 表（教程视频库）
+- 新增 `tutorial_progress` 表（学习进度追踪）
+- 新增 `training_reminders` 表（训练提醒设置）
+- 新增 `notification_log` 表（通知记录）
+
+### 测试
+
+- 测试用例从47个增加到65个
+- 新增教程库、提醒、通知相关测试
+
+---
+
 ## v2.0.0 (2026-03-14)
 
 ### 新增功能
diff --git a/docs/FEATURES.md b/docs/FEATURES.md
index 5bb7efe..828f3d2 100644
--- a/docs/FEATURES.md
+++ b/docs/FEATURES.md
@@ -53,6 +53,17 @@
 | F-030 | 移动端全面适配 | 已完成 | v2.0 | 响应式设计、安全区域、触摸优化 |
 | F-031 | 手机摄像头优化 | 已完成 | v2.0 | 前后摄像头切换、自适应分辨率 |
 
+### v3.0 新增功能
+
+| 编号 | 功能 | 状态 | 版本 | 说明 |
+|------|------|------|------|------|
+| F-032 | 训练视频教程库 | 已完成 | v3.0 | 分类浏览、要点说明、常见错误、学习进度 |
+| F-033 | 教程自评系统 | 已完成 | v3.0 | 星级自评、学习笔记、已学标记 |
+| F-034 | 训练提醒通知 | 已完成 | v3.0 | 多类型提醒、自定义时间和重复日期 |
+| F-035 | 浏览器通知推送 | 已完成 | v3.0 | Notification API集成、权限管理 |
+| F-036 | 通知记录管理 | 已完成 | v3.0 | 未读计数、全部已读、历史记录 |
+| F-037 | 去除冗余文字 | 已完成 | v3.0 | 简化UI文案，直接信息反馈 |
+
 ## 开发时间线
 
 | 日期 | 版本 | 里程碑 |
@@ -61,6 +72,7 @@
 | 2026-03-14 | v1.0 | 完成所有核心页面、MediaPipe集成、NTRP评分 |
 | 2026-03-14 | v2.0 | 添加排行榜、打卡、徽章、实时摄像头、在线录制 |
 | 2026-03-14 | v2.0 | 移动端适配、测试套件、文档编写 |
+| 2026-03-14 | v3.0 | 教程库、训练提醒、通知系统、文案优化 |
 
 ## 测试覆盖
 
@@ -76,4 +88,7 @@
 | checkin | 5 | 今日状态、打卡、历史 |
 | badge | 5 | 列表、检查、定义、数据完整性 |
 | leaderboard | 3 | 认证、排序参数、无效参数 |
-| **总计** | **47** | **全部通过** |
+| tutorial | 4 | 列表查询、分类过滤、进度更新 |
+| reminder | 5 | 创建验证、切换、删除、认证 |
+| notification | 4 | 列表、未读计数、标记已读 |
+| **总计** | **65** | **全部通过** |
diff --git a/drizzle/0004_exotic_randall.sql b/drizzle/0004_exotic_randall.sql
new file mode 100644
index 0000000..8d4d334
--- /dev/null
+++ b/drizzle/0004_exotic_randall.sql
@@ -0,0 +1,57 @@
+CREATE TABLE `notification_log` (
+	`id` int AUTO_INCREMENT NOT NULL,
+	`userId` int NOT NULL,
+	`reminderId` int,
+	`notificationType` varchar(32) NOT NULL,
+	`title` varchar(256) NOT NULL,
+	`message` text,
+	`isRead` int DEFAULT 0,
+	`createdAt` timestamp NOT NULL DEFAULT (now()),
+	CONSTRAINT `notification_log_id` PRIMARY KEY(`id`)
+);
+--> statement-breakpoint
+CREATE TABLE `training_reminders` (
+	`id` int AUTO_INCREMENT NOT NULL,
+	`userId` int NOT NULL,
+	`reminderType` varchar(32) NOT NULL,
+	`title` varchar(256) NOT NULL,
+	`message` text,
+	`timeOfDay` varchar(5) NOT NULL,
+	`daysOfWeek` json NOT NULL,
+	`isActive` int DEFAULT 1,
+	`lastTriggered` timestamp,
+	`createdAt` timestamp NOT NULL DEFAULT (now()),
+	`updatedAt` timestamp NOT NULL DEFAULT (now()) ON UPDATE CURRENT_TIMESTAMP,
+	CONSTRAINT `training_reminders_id` PRIMARY KEY(`id`)
+);
+--> statement-breakpoint
+CREATE TABLE `tutorial_progress` (
+	`id` int AUTO_INCREMENT NOT NULL,
+	`userId` int NOT NULL,
+	`tutorialId` int NOT NULL,
+	`watched` int DEFAULT 0,
+	`comparisonVideoId` int,
+	`selfScore` float,
+	`notes` text,
+	`createdAt` timestamp NOT NULL DEFAULT (now()),
+	`updatedAt` timestamp NOT NULL DEFAULT (now()) ON UPDATE CURRENT_TIMESTAMP,
+	CONSTRAINT `tutorial_progress_id` PRIMARY KEY(`id`)
+);
+--> statement-breakpoint
+CREATE TABLE `tutorial_videos` (
+	`id` int AUTO_INCREMENT NOT NULL,
+	`title` varchar(256) NOT NULL,
+	`category` varchar(64) NOT NULL,
+	`skillLevel` enum('beginner','intermediate','advanced') DEFAULT 'beginner',
+	`description` text,
+	`keyPoints` json,
+	`commonMistakes` json,
+	`videoUrl` text,
+	`thumbnailUrl` text,
+	`duration` int,
+	`sortOrder` int DEFAULT 0,
+	`isPublished` int DEFAULT 1,
+	`createdAt` timestamp NOT NULL DEFAULT (now()),
+	`updatedAt` timestamp NOT NULL DEFAULT (now()) ON UPDATE CURRENT_TIMESTAMP,
+	CONSTRAINT `tutorial_videos_id` PRIMARY KEY(`id`)
+);
diff --git a/drizzle/meta/0004_snapshot.json b/drizzle/meta/0004_snapshot.json
new file mode 100644
index 0000000..c81774f
--- /dev/null
+++ b/drizzle/meta/0004_snapshot.json
@@ -0,0 +1,1233 @@
+{
+  "version": "5",
+  "dialect": "mysql",
+  "id": "7ad15229-2bf8-4777-8cac-bd8fddf7cc6b",
+  "prevId": "0892fd57-f758-43a7-a72d-e372aca4d4e3",
+  "tables": {
+    "daily_checkins": {
+      "name": "daily_checkins",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "checkinDate": {
+          "name": "checkinDate",
+          "type": "varchar(10)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "streakCount": {
+          "name": "streakCount",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 1
+        },
+        "notes": {
+          "name": "notes",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "minutesTrained": {
+          "name": "minutesTrained",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 0
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "daily_checkins_id": {
+          "name": "daily_checkins_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "notification_log": {
+      "name": "notification_log",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "reminderId": {
+          "name": "reminderId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "notificationType": {
+          "name": "notificationType",
+          "type": "varchar(32)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "title": {
+          "name": "title",
+          "type": "varchar(256)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "message": {
+          "name": "message",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "isRead": {
+          "name": "isRead",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 0
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "notification_log_id": {
+          "name": "notification_log_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "pose_analyses": {
+      "name": "pose_analyses",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "videoId": {
+          "name": "videoId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "overallScore": {
+          "name": "overallScore",
+          "type": "float",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "poseMetrics": {
+          "name": "poseMetrics",
+          "type": "json",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "detectedIssues": {
+          "name": "detectedIssues",
+          "type": "json",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "corrections": {
+          "name": "corrections",
+          "type": "json",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "exerciseType": {
+          "name": "exerciseType",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "framesAnalyzed": {
+          "name": "framesAnalyzed",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "shotCount": {
+          "name": "shotCount",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 0
+        },
+        "avgSwingSpeed": {
+          "name": "avgSwingSpeed",
+          "type": "float",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "maxSwingSpeed": {
+          "name": "maxSwingSpeed",
+          "type": "float",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "totalMovementDistance": {
+          "name": "totalMovementDistance",
+          "type": "float",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "strokeConsistency": {
+          "name": "strokeConsistency",
+          "type": "float",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "footworkScore": {
+          "name": "footworkScore",
+          "type": "float",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "fluidityScore": {
+          "name": "fluidityScore",
+          "type": "float",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "keyMoments": {
+          "name": "keyMoments",
+          "type": "json",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "movementTrajectory": {
+          "name": "movementTrajectory",
+          "type": "json",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "pose_analyses_id": {
+          "name": "pose_analyses_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "rating_history": {
+      "name": "rating_history",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "rating": {
+          "name": "rating",
+          "type": "float",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "reason": {
+          "name": "reason",
+          "type": "varchar(256)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "dimensionScores": {
+          "name": "dimensionScores",
+          "type": "json",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "analysisId": {
+          "name": "analysisId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "rating_history_id": {
+          "name": "rating_history_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "training_plans": {
+      "name": "training_plans",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "title": {
+          "name": "title",
+          "type": "varchar(256)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "skillLevel": {
+          "name": "skillLevel",
+          "type": "enum('beginner','intermediate','advanced')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "durationDays": {
+          "name": "durationDays",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 7
+        },
+        "exercises": {
+          "name": "exercises",
+          "type": "json",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "isActive": {
+          "name": "isActive",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 1
+        },
+        "adjustmentNotes": {
+          "name": "adjustmentNotes",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "version": {
+          "name": "version",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 1
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "training_plans_id": {
+          "name": "training_plans_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "training_records": {
+      "name": "training_records",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "planId": {
+          "name": "planId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "exerciseName": {
+          "name": "exerciseName",
+          "type": "varchar(128)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "durationMinutes": {
+          "name": "durationMinutes",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "completed": {
+          "name": "completed",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": 0
+        },
+        "notes": {
+          "name": "notes",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "poseScore": {
+          "name": "poseScore",
+          "type": "float",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "trainingDate": {
+          "name": "trainingDate",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "training_records_id": {
+          "name": "training_records_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "training_reminders": {
+      "name": "training_reminders",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "reminderType": {
+          "name": "reminderType",
+          "type": "varchar(32)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "title": {
+          "name": "title",
+          "type": "varchar(256)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "message": {
+          "name": "message",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "timeOfDay": {
+          "name": "timeOfDay",
+          "type": "varchar(5)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "daysOfWeek": {
+          "name": "daysOfWeek",
+          "type": "json",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "isActive": {
+          "name": "isActive",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 1
+        },
+        "lastTriggered": {
+          "name": "lastTriggered",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "training_reminders_id": {
+          "name": "training_reminders_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "training_videos": {
+      "name": "training_videos",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "title": {
+          "name": "title",
+          "type": "varchar(256)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "fileKey": {
+          "name": "fileKey",
+          "type": "varchar(512)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "url": {
+          "name": "url",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "format": {
+          "name": "format",
+          "type": "varchar(16)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "fileSize": {
+          "name": "fileSize",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "duration": {
+          "name": "duration",
+          "type": "float",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "exerciseType": {
+          "name": "exerciseType",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "analysisStatus": {
+          "name": "analysisStatus",
+          "type": "enum('pending','analyzing','completed','failed')",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": "'pending'"
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "training_videos_id": {
+          "name": "training_videos_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "tutorial_progress": {
+      "name": "tutorial_progress",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "tutorialId": {
+          "name": "tutorialId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "watched": {
+          "name": "watched",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 0
+        },
+        "comparisonVideoId": {
+          "name": "comparisonVideoId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "selfScore": {
+          "name": "selfScore",
+          "type": "float",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "notes": {
+          "name": "notes",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "tutorial_progress_id": {
+          "name": "tutorial_progress_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "tutorial_videos": {
+      "name": "tutorial_videos",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "title": {
+          "name": "title",
+          "type": "varchar(256)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "category": {
+          "name": "category",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "skillLevel": {
+          "name": "skillLevel",
+          "type": "enum('beginner','intermediate','advanced')",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": "'beginner'"
+        },
+        "description": {
+          "name": "description",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "keyPoints": {
+          "name": "keyPoints",
+          "type": "json",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "commonMistakes": {
+          "name": "commonMistakes",
+          "type": "json",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "videoUrl": {
+          "name": "videoUrl",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "thumbnailUrl": {
+          "name": "thumbnailUrl",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "duration": {
+          "name": "duration",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "sortOrder": {
+          "name": "sortOrder",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 0
+        },
+        "isPublished": {
+          "name": "isPublished",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 1
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "tutorial_videos_id": {
+          "name": "tutorial_videos_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "user_badges": {
+      "name": "user_badges",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "badgeKey": {
+          "name": "badgeKey",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "earnedAt": {
+          "name": "earnedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "user_badges_id": {
+          "name": "user_badges_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {},
+      "checkConstraint": {}
+    },
+    "username_accounts": {
+      "name": "username_accounts",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "username": {
+          "name": "username",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "userId": {
+          "name": "userId",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "username_accounts_id": {
+          "name": "username_accounts_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {
+        "username_accounts_username_unique": {
+          "name": "username_accounts_username_unique",
+          "columns": [
+            "username"
+          ]
+        }
+      },
+      "checkConstraint": {}
+    },
+    "users": {
+      "name": "users",
+      "columns": {
+        "id": {
+          "name": "id",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": true
+        },
+        "openId": {
+          "name": "openId",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false
+        },
+        "name": {
+          "name": "name",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "email": {
+          "name": "email",
+          "type": "varchar(320)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "loginMethod": {
+          "name": "loginMethod",
+          "type": "varchar(64)",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "role": {
+          "name": "role",
+          "type": "enum('user','admin')",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "'user'"
+        },
+        "skillLevel": {
+          "name": "skillLevel",
+          "type": "enum('beginner','intermediate','advanced')",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": "'beginner'"
+        },
+        "trainingGoals": {
+          "name": "trainingGoals",
+          "type": "text",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false
+        },
+        "ntrpRating": {
+          "name": "ntrpRating",
+          "type": "float",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 1.5
+        },
+        "totalSessions": {
+          "name": "totalSessions",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 0
+        },
+        "totalMinutes": {
+          "name": "totalMinutes",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 0
+        },
+        "currentStreak": {
+          "name": "currentStreak",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 0
+        },
+        "longestStreak": {
+          "name": "longestStreak",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 0
+        },
+        "totalShots": {
+          "name": "totalShots",
+          "type": "int",
+          "primaryKey": false,
+          "notNull": false,
+          "autoincrement": false,
+          "default": 0
+        },
+        "createdAt": {
+          "name": "createdAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        },
+        "updatedAt": {
+          "name": "updatedAt",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "onUpdate": true,
+          "default": "(now())"
+        },
+        "lastSignedIn": {
+          "name": "lastSignedIn",
+          "type": "timestamp",
+          "primaryKey": false,
+          "notNull": true,
+          "autoincrement": false,
+          "default": "(now())"
+        }
+      },
+      "indexes": {},
+      "foreignKeys": {},
+      "compositePrimaryKeys": {
+        "users_id": {
+          "name": "users_id",
+          "columns": [
+            "id"
+          ]
+        }
+      },
+      "uniqueConstraints": {
+        "users_openId_unique": {
+          "name": "users_openId_unique",
+          "columns": [
+            "openId"
+          ]
+        }
+      },
+      "checkConstraint": {}
+    }
+  },
+  "views": {},
+  "_meta": {
+    "schemas": {},
+    "tables": {},
+    "columns": {}
+  },
+  "internal": {
+    "tables": {},
+    "indexes": {}
+  }
+}
\ No newline at end of file
diff --git a/drizzle/meta/_journal.json b/drizzle/meta/_journal.json
index 29c2b9c..324c54e 100644
--- a/drizzle/meta/_journal.json
+++ b/drizzle/meta/_journal.json
@@ -29,6 +29,13 @@
       "when": 1773488765349,
       "tag": "0003_married_iron_lad",
       "breakpoints": true
+    },
+    {
+      "idx": 4,
+      "version": "5",
+      "when": 1773490358606,
+      "tag": "0004_exotic_randall",
+      "breakpoints": true
     }
   ]
 }
\ No newline at end of file
diff --git a/drizzle/schema.ts b/drizzle/schema.ts
index 3615ca5..5d19678 100644
--- a/drizzle/schema.ts
+++ b/drizzle/schema.ts
@@ -222,3 +222,82 @@ export const userBadges = mysqlTable("user_badges", {
 
 export type UserBadge = typeof userBadges.$inferSelect;
 export type InsertUserBadge = typeof userBadges.$inferInsert;
+
+/**
+ * Tutorial video library - professional coaching reference videos
+ */
+export const tutorialVideos = mysqlTable("tutorial_videos", {
+  id: int("id").autoincrement().primaryKey(),
+  title: varchar("title", { length: 256 }).notNull(),
+  category: varchar("category", { length: 64 }).notNull(),
+  skillLevel: mysqlEnum("skillLevel", ["beginner", "intermediate", "advanced"]).default("beginner"),
+  description: text("description"),
+  keyPoints: json("keyPoints"),
+  commonMistakes: json("commonMistakes"),
+  videoUrl: text("videoUrl"),
+  thumbnailUrl: text("thumbnailUrl"),
+  duration: int("duration"),
+  sortOrder: int("sortOrder").default(0),
+  isPublished: int("isPublished").default(1),
+  createdAt: timestamp("createdAt").defaultNow().notNull(),
+  updatedAt: timestamp("updatedAt").defaultNow().onUpdateNow().notNull(),
+});
+
+export type TutorialVideo = typeof tutorialVideos.$inferSelect;
+export type InsertTutorialVideo = typeof tutorialVideos.$inferInsert;
+
+/**
+ * User tutorial progress tracking
+ */
+export const tutorialProgress = mysqlTable("tutorial_progress", {
+  id: int("id").autoincrement().primaryKey(),
+  userId: int("userId").notNull(),
+  tutorialId: int("tutorialId").notNull(),
+  watched: int("watched").default(0),
+  comparisonVideoId: int("comparisonVideoId"),
+  selfScore: float("selfScore"),
+  notes: text("notes"),
+  createdAt: timestamp("createdAt").defaultNow().notNull(),
+  updatedAt: timestamp("updatedAt").defaultNow().onUpdateNow().notNull(),
+});
+
+export type TutorialProgress = typeof tutorialProgress.$inferSelect;
+export type InsertTutorialProgress = typeof tutorialProgress.$inferInsert;
+
+/**
+ * Training reminders
+ */
+export const trainingReminders = mysqlTable("training_reminders", {
+  id: int("id").autoincrement().primaryKey(),
+  userId: int("userId").notNull(),
+  reminderType: varchar("reminderType", { length: 32 }).notNull(),
+  title: varchar("title", { length: 256 }).notNull(),
+  message: text("message"),
+  timeOfDay: varchar("timeOfDay", { length: 5 }).notNull(),
+  daysOfWeek: json("daysOfWeek").notNull(),
+  isActive: int("isActive").default(1),
+  lastTriggered: timestamp("lastTriggered"),
+  createdAt: timestamp("createdAt").defaultNow().notNull(),
+  updatedAt: timestamp("updatedAt").defaultNow().onUpdateNow().notNull(),
+});
+
+export type TrainingReminder = typeof trainingReminders.$inferSelect;
+export type InsertTrainingReminder = typeof trainingReminders.$inferInsert;
+
+/**
+ * Notification log
+ */
+export const notificationLog = mysqlTable("notification_log", {
+  id: int("id").autoincrement().primaryKey(),
+  userId: int("userId").notNull(),
+  reminderId: int("reminderId"),
+  notificationType: varchar("notificationType", { length: 32 }).notNull(),
+  title: varchar("title", { length: 256 }).notNull(),
+  message: text("message"),
+  isRead: int("isRead").default(0),
+  createdAt: timestamp("createdAt").defaultNow().notNull(),
+});
+
+export type NotificationLogEntry = typeof notificationLog.$inferSelect;
+export type InsertNotificationLog = typeof notificationLog.$inferInsert;
+
diff --git a/server/db.ts b/server/db.ts
index 32b7de5..b0eccb2 100644
--- a/server/db.ts
+++ b/server/db.ts
@@ -10,6 +10,10 @@ import {
   ratingHistory, InsertRatingHistory,
   dailyCheckins, InsertDailyCheckin,
   userBadges, InsertUserBadge,
+  tutorialVideos, InsertTutorialVideo,
+  tutorialProgress, InsertTutorialProgress,
+  trainingReminders, InsertTrainingReminder,
+  notificationLog, InsertNotificationLog,
 } from "../drizzle/schema";
 import { ENV } from './_core/env';
 
@@ -429,6 +433,233 @@ export async function getLeaderboard(sortBy: "ntrpRating" | "totalMinutes" | "to
   }).from(users).orderBy(desc(sortColumn)).limit(limit);
 }
 
+// ===== TUTORIAL OPERATIONS =====
+
+export const TUTORIAL_SEED_DATA: Omit<InsertTutorialVideo, "id">[] = [
+  {
+    title: "正手击球基础",
+    category: "forehand",
+    skillLevel: "beginner",
+    description: "学习正手击球的基本站位、握拍方式和挥拍轨迹，建立稳定的正手基础。",
+    keyPoints: JSON.stringify(["东方式或半西方式握拍", "侧身引拍，肩膀转动90度", "从低到高的挥拍轨迹", "随挥至对侧肩膀", "重心转移从后脚到前脚"]),
+    commonMistakes: JSON.stringify(["手腕过度发力", "没有转体", "击球点太靠后", "随挥不充分"]),
+    duration: 300,
+    sortOrder: 1,
+  },
+  {
+    title: "反手击球基础",
+    category: "backhand",
+    skillLevel: "beginner",
+    description: "掌握单手和双手反手的核心技术，包括握拍转换和击球时机。",
+    keyPoints: JSON.stringify(["双手反手更适合初学者", "早引拍，肩膀充分转动", "击球点在身体前方", "保持手臂伸展"]),
+    commonMistakes: JSON.stringify(["只用手臂发力", "击球点太迟", "缺少随挥", "脚步不到位"]),
+    duration: 300,
+    sortOrder: 2,
+  },
+  {
+    title: "发球技术",
+    category: "serve",
+    skillLevel: "beginner",
+    description: "从抛球、引拍到击球的完整发球动作分解与练习。",
+    keyPoints: JSON.stringify(["稳定的抛球是关键", "大陆式握拍", "引拍时身体充分弓身", "最高点击球", "手腕内旋加速"]),
+    commonMistakes: JSON.stringify(["抛球不稳定", "手臂弯曲击球", "重心没有向前", "发力时机不对"]),
+    duration: 360,
+    sortOrder: 3,
+  },
+  {
+    title: "截击技术",
+    category: "volley",
+    skillLevel: "intermediate",
+    description: "网前截击的站位、准备姿势和击球技巧。",
+    keyPoints: JSON.stringify(["分腿弯膝准备姿势", "拍头保持在视线前方", "短促的击球动作", "步伐迎向球"]),
+    commonMistakes: JSON.stringify(["挥拍幅度太大", "站位太远", "拍面角度不对", "重心太高"]),
+    duration: 240,
+    sortOrder: 4,
+  },
+  {
+    title: "脚步移动训练",
+    category: "footwork",
+    skillLevel: "beginner",
+    description: "网球基础脚步训练，包括分步、交叉步、滑步和回位。",
+    keyPoints: JSON.stringify(["分步判断球的方向", "交叉步快速移动", "小碎步调整位置", "击球后快速回中"]),
+    commonMistakes: JSON.stringify(["脚步懒散不移动", "重心太高", "回位太慢", "没有分步"]),
+    duration: 240,
+    sortOrder: 5,
+  },
+  {
+    title: "正手上旋",
+    category: "forehand",
+    skillLevel: "intermediate",
+    description: "掌握正手上旋球的发力技巧和拍面角度控制。",
+    keyPoints: JSON.stringify(["半西方式或西方式握拍", "从低到高的刷球动作", "加速手腕内旋", "随挥结束在头部上方"]),
+    commonMistakes: JSON.stringify(["拍面太开放", "没有刷球动作", "随挥不充分"]),
+    duration: 300,
+    sortOrder: 6,
+  },
+  {
+    title: "发球变化（切削/上旋）",
+    category: "serve",
+    skillLevel: "advanced",
+    description: "高级发球技术，包括切削发球和Kick发球的动作要领。",
+    keyPoints: JSON.stringify(["切削发球：侧旋切球", "Kick发球：从下到上刷球", "抛球位置根据发球类型调整", "手腕加速是关键"]),
+    commonMistakes: JSON.stringify(["抛球位置没有变化", "旋转不足", "发力方向错误"]),
+    duration: 360,
+    sortOrder: 7,
+  },
+  {
+    title: "影子挥拍练习",
+    category: "shadow",
+    skillLevel: "beginner",
+    description: "不需要球的挥拍练习，专注于动作轨迹和肌肉记忆。",
+    keyPoints: JSON.stringify(["慢动作分解每个环节", "关注脚步和重心转移", "对着镜子检查姿势", "逐渐加快速度"]),
+    commonMistakes: JSON.stringify(["动作太快不规范", "忽略脚步", "没有完整的随挥"]),
+    duration: 180,
+    sortOrder: 8,
+  },
+  {
+    title: "墙壁练习技巧",
+    category: "wall",
+    skillLevel: "beginner",
+    description: "利用墙壁进行的各种练习方法，提升控球和反应能力。",
+    keyPoints: JSON.stringify(["保持适当距离", "控制力量和方向", "交替练习正反手", "注意脚步移动"]),
+    commonMistakes: JSON.stringify(["力量太大控制不住", "站位太近或太远", "只练习一种击球"]),
+    duration: 240,
+    sortOrder: 9,
+  },
+  {
+    title: "体能训练",
+    category: "fitness",
+    skillLevel: "beginner",
+    description: "网球专项体能训练，提升爆发力、敏捷性和耐力。",
+    keyPoints: JSON.stringify(["核心力量训练", "下肢爆发力练习", "敏捷性梯子训练", "拉伸和灵活性"]),
+    commonMistakes: JSON.stringify(["忽略热身", "训练过度", "动作不标准"]),
+    duration: 300,
+    sortOrder: 10,
+  },
+  {
+    title: "比赛策略基础",
+    category: "strategy",
+    skillLevel: "intermediate",
+    description: "网球比赛中的基本战术和策略运用。",
+    keyPoints: JSON.stringify(["控制球场深度", "变换节奏和方向", "利用对手弱点", "网前战术时机"]),
+    commonMistakes: JSON.stringify(["打法单一", "没有计划", "心态波动大"]),
+    duration: 300,
+    sortOrder: 11,
+  },
+];
+
+export async function seedTutorials() {
+  const db = await getDb();
+  if (!db) return;
+  const existing = await db.select().from(tutorialVideos).limit(1);
+  if (existing.length > 0) return; // Already seeded
+  for (const t of TUTORIAL_SEED_DATA) {
+    await db.insert(tutorialVideos).values(t);
+  }
+}
+
+export async function getTutorials(category?: string, skillLevel?: string) {
+  const db = await getDb();
+  if (!db) return [];
+  let conditions = [eq(tutorialVideos.isPublished, 1)];
+  if (category) conditions.push(eq(tutorialVideos.category, category));
+  if (skillLevel) conditions.push(eq(tutorialVideos.skillLevel, skillLevel as any));
+  return db.select().from(tutorialVideos).where(and(...conditions)).orderBy(tutorialVideos.sortOrder);
+}
+
+export async function getTutorialById(id: number) {
+  const db = await getDb();
+  if (!db) return undefined;
+  const result = await db.select().from(tutorialVideos).where(eq(tutorialVideos.id, id)).limit(1);
+  return result.length > 0 ? result[0] : undefined;
+}
+
+export async function getUserTutorialProgress(userId: number) {
+  const db = await getDb();
+  if (!db) return [];
+  return db.select().from(tutorialProgress).where(eq(tutorialProgress.userId, userId));
+}
+
+export async function updateTutorialProgress(userId: number, tutorialId: number, data: { watched?: number; selfScore?: number; notes?: string; comparisonVideoId?: number }) {
+  const db = await getDb();
+  if (!db) return;
+  const existing = await db.select().from(tutorialProgress)
+    .where(and(eq(tutorialProgress.userId, userId), eq(tutorialProgress.tutorialId, tutorialId)))
+    .limit(1);
+  if (existing.length > 0) {
+    await db.update(tutorialProgress).set(data).where(eq(tutorialProgress.id, existing[0].id));
+  } else {
+    await db.insert(tutorialProgress).values({ userId, tutorialId, ...data });
+  }
+}
+
+// ===== TRAINING REMINDER OPERATIONS =====
+
+export async function getUserReminders(userId: number) {
+  const db = await getDb();
+  if (!db) return [];
+  return db.select().from(trainingReminders).where(eq(trainingReminders.userId, userId)).orderBy(desc(trainingReminders.createdAt));
+}
+
+export async function createReminder(data: InsertTrainingReminder) {
+  const db = await getDb();
+  if (!db) throw new Error("Database not available");
+  const result = await db.insert(trainingReminders).values(data);
+  return result[0].insertId;
+}
+
+export async function updateReminder(reminderId: number, userId: number, data: Partial<InsertTrainingReminder>) {
+  const db = await getDb();
+  if (!db) return;
+  await db.update(trainingReminders).set(data).where(and(eq(trainingReminders.id, reminderId), eq(trainingReminders.userId, userId)));
+}
+
+export async function deleteReminder(reminderId: number, userId: number) {
+  const db = await getDb();
+  if (!db) return;
+  await db.delete(trainingReminders).where(and(eq(trainingReminders.id, reminderId), eq(trainingReminders.userId, userId)));
+}
+
+export async function toggleReminder(reminderId: number, userId: number, isActive: number) {
+  const db = await getDb();
+  if (!db) return;
+  await db.update(trainingReminders).set({ isActive }).where(and(eq(trainingReminders.id, reminderId), eq(trainingReminders.userId, userId)));
+}
+
+// ===== NOTIFICATION OPERATIONS =====
+
+export async function getUserNotifications(userId: number, limit = 50) {
+  const db = await getDb();
+  if (!db) return [];
+  return db.select().from(notificationLog).where(eq(notificationLog.userId, userId)).orderBy(desc(notificationLog.createdAt)).limit(limit);
+}
+
+export async function createNotification(data: InsertNotificationLog) {
+  const db = await getDb();
+  if (!db) return;
+  await db.insert(notificationLog).values(data);
+}
+
+export async function markNotificationRead(notificationId: number, userId: number) {
+  const db = await getDb();
+  if (!db) return;
+  await db.update(notificationLog).set({ isRead: 1 }).where(and(eq(notificationLog.id, notificationId), eq(notificationLog.userId, userId)));
+}
+
+export async function markAllNotificationsRead(userId: number) {
+  const db = await getDb();
+  if (!db) return;
+  await db.update(notificationLog).set({ isRead: 1 }).where(eq(notificationLog.userId, userId));
+}
+
+export async function getUnreadNotificationCount(userId: number) {
+  const db = await getDb();
+  if (!db) return 0;
+  const result = await db.select({ count: sql<number>`count(*)` }).from(notificationLog)
+    .where(and(eq(notificationLog.userId, userId), eq(notificationLog.isRead, 0)));
+  return result[0]?.count || 0;
+}
+
 // ===== STATS HELPERS =====
 
 export async function getUserStats(userId: number) {
diff --git a/server/features.test.ts b/server/features.test.ts
index 4022e10..e406266 100644
--- a/server/features.test.ts
+++ b/server/features.test.ts
@@ -554,3 +554,222 @@ describe("BADGE_DEFINITIONS via badge.definitions endpoint", () => {
     expect(badges.length).toBeGreaterThanOrEqual(20);
   });
 });
+
+// ===== TUTORIAL TESTS =====
+
+describe("tutorial.list", () => {
+  it("works without authentication (public)", async () => {
+    const { ctx } = createMockContext(null);
+    const caller = appRouter.createCaller(ctx);
+
+    try {
+      const result = await caller.tutorial.list({});
+      expect(Array.isArray(result)).toBe(true);
+    } catch (e: any) {
+      // DB error expected, but should not be auth error
+      expect(e.code).not.toBe("UNAUTHORIZED");
+    }
+  });
+
+  it("accepts category filter", async () => {
+    const { ctx } = createMockContext(null);
+    const caller = appRouter.createCaller(ctx);
+
+    try {
+      await caller.tutorial.list({ category: "forehand" });
+    } catch (e: any) {
+      expect(e.message).not.toContain("invalid_type");
+    }
+  });
+
+  it("accepts skillLevel filter", async () => {
+    const { ctx } = createMockContext(null);
+    const caller = appRouter.createCaller(ctx);
+
+    try {
+      await caller.tutorial.list({ skillLevel: "beginner" });
+    } catch (e: any) {
+      expect(e.message).not.toContain("invalid_type");
+    }
+  });
+});
+
+describe("tutorial.progress", () => {
+  it("requires authentication", async () => {
+    const { ctx } = createMockContext(null);
+    const caller = appRouter.createCaller(ctx);
+    await expect(caller.tutorial.progress()).rejects.toThrow();
+  });
+});
+
+describe("tutorial.updateProgress input validation", () => {
+  it("requires authentication", async () => {
+    const { ctx } = createMockContext(null);
+    const caller = appRouter.createCaller(ctx);
+    await expect(
+      caller.tutorial.updateProgress({ tutorialId: 1 })
+    ).rejects.toThrow();
+  });
+
+  it("requires tutorialId", async () => {
+    const user = createTestUser();
+    const { ctx } = createMockContext(user);
+    const caller = appRouter.createCaller(ctx);
+
+    await expect(
+      caller.tutorial.updateProgress({ tutorialId: undefined as any })
+    ).rejects.toThrow();
+  });
+
+  it("accepts optional watched, selfScore, notes", async () => {
+    const user = createTestUser();
+    const { ctx } = createMockContext(user);
+    const caller = appRouter.createCaller(ctx);
+
+    try {
+      await caller.tutorial.updateProgress({
+        tutorialId: 1,
+        watched: 1,
+        selfScore: 4,
+        notes: "Great tutorial",
+      });
+    } catch (e: any) {
+      expect(e.message).not.toContain("invalid_type");
+    }
+  });
+});
+
+// ===== REMINDER TESTS =====
+
+describe("reminder.list", () => {
+  it("requires authentication", async () => {
+    const { ctx } = createMockContext(null);
+    const caller = appRouter.createCaller(ctx);
+    await expect(caller.reminder.list()).rejects.toThrow();
+  });
+});
+
+describe("reminder.create input validation", () => {
+  it("requires authentication", async () => {
+    const { ctx } = createMockContext(null);
+    const caller = appRouter.createCaller(ctx);
+    await expect(
+      caller.reminder.create({
+        reminderType: "training",
+        title: "Test",
+        timeOfDay: "08:00",
+        daysOfWeek: [1, 2, 3],
+      })
+    ).rejects.toThrow();
+  });
+
+  it("accepts empty title (no min validation on server)", async () => {
+    const user = createTestUser();
+    const { ctx } = createMockContext(user);
+    const caller = appRouter.createCaller(ctx);
+
+    try {
+      await caller.reminder.create({
+        reminderType: "training",
+        title: "",
+        timeOfDay: "08:00",
+        daysOfWeek: [1],
+      });
+    } catch (e: any) {
+      // DB error expected, but input validation should pass
+      expect(e.message).not.toContain("invalid_type");
+    }
+  });
+
+  it("accepts any string as reminderType (no enum validation on server)", async () => {
+    const user = createTestUser();
+    const { ctx } = createMockContext(user);
+    const caller = appRouter.createCaller(ctx);
+
+    try {
+      await caller.reminder.create({
+        reminderType: "custom_type",
+        title: "Test",
+        timeOfDay: "08:00",
+        daysOfWeek: [1],
+      });
+    } catch (e: any) {
+      expect(e.message).not.toContain("invalid_type");
+    }
+  });
+
+  it("accepts valid reminder creation", async () => {
+    const user = createTestUser();
+    const { ctx } = createMockContext(user);
+    const caller = appRouter.createCaller(ctx);
+
+    try {
+      await caller.reminder.create({
+        reminderType: "training",
+        title: "Morning Training",
+        message: "Time to practice!",
+        timeOfDay: "08:00",
+        daysOfWeek: [1, 2, 3, 4, 5],
+      });
+    } catch (e: any) {
+      expect(e.message).not.toContain("invalid_type");
+      expect(e.message).not.toContain("invalid_enum_value");
+    }
+  });
+});
+
+describe("reminder.toggle input validation", () => {
+  it("requires authentication", async () => {
+    const { ctx } = createMockContext(null);
+    const caller = appRouter.createCaller(ctx);
+    await expect(
+      caller.reminder.toggle({ reminderId: 1, isActive: 1 })
+    ).rejects.toThrow();
+  });
+});
+
+describe("reminder.delete input validation", () => {
+  it("requires authentication", async () => {
+    const { ctx } = createMockContext(null);
+    const caller = appRouter.createCaller(ctx);
+    await expect(
+      caller.reminder.delete({ reminderId: 1 })
+    ).rejects.toThrow();
+  });
+});
+
+// ===== NOTIFICATION TESTS =====
+
+describe("notification.list", () => {
+  it("requires authentication", async () => {
+    const { ctx } = createMockContext(null);
+    const caller = appRouter.createCaller(ctx);
+    await expect(caller.notification.list()).rejects.toThrow();
+  });
+});
+
+describe("notification.unreadCount", () => {
+  it("requires authentication", async () => {
+    const { ctx } = createMockContext(null);
+    const caller = appRouter.createCaller(ctx);
+    await expect(caller.notification.unreadCount()).rejects.toThrow();
+  });
+});
+
+describe("notification.markRead input validation", () => {
+  it("requires authentication", async () => {
+    const { ctx } = createMockContext(null);
+    const caller = appRouter.createCaller(ctx);
+    await expect(
+      caller.notification.markRead({ notificationId: 1 })
+    ).rejects.toThrow();
+  });
+});
+
+describe("notification.markAllRead", () => {
+  it("requires authentication", async () => {
+    const { ctx } = createMockContext(null);
+    const caller = appRouter.createCaller(ctx);
+    await expect(caller.notification.markAllRead()).rejects.toThrow();
+  });
+});
diff --git a/server/routers.ts b/server/routers.ts
index cfc96de..354341c 100644
--- a/server/routers.ts
+++ b/server/routers.ts
@@ -471,6 +471,120 @@ ${recentScores.length > 0 ? `- 用户最近的分析数据: ${JSON.stringify(rec
         return db.getLeaderboard(input?.sortBy || "ntrpRating", input?.limit || 50);
       }),
   }),
+
+  // Tutorial video library
+  tutorial: router({
+    list: publicProcedure
+      .input(z.object({
+        category: z.string().optional(),
+        skillLevel: z.string().optional(),
+      }).optional())
+      .query(async ({ input }) => {
+        // Auto-seed tutorials on first request
+        await db.seedTutorials();
+        return db.getTutorials(input?.category, input?.skillLevel);
+      }),
+
+    get: publicProcedure
+      .input(z.object({ id: z.number() }))
+      .query(async ({ input }) => {
+        return db.getTutorialById(input.id);
+      }),
+
+    progress: protectedProcedure.query(async ({ ctx }) => {
+      return db.getUserTutorialProgress(ctx.user.id);
+    }),
+
+    updateProgress: protectedProcedure
+      .input(z.object({
+        tutorialId: z.number(),
+        watched: z.number().optional(),
+        selfScore: z.number().optional(),
+        notes: z.string().optional(),
+        comparisonVideoId: z.number().optional(),
+      }))
+      .mutation(async ({ ctx, input }) => {
+        const { tutorialId, ...data } = input;
+        await db.updateTutorialProgress(ctx.user.id, tutorialId, data);
+        return { success: true };
+      }),
+  }),
+
+  // Training reminders
+  reminder: router({
+    list: protectedProcedure.query(async ({ ctx }) => {
+      return db.getUserReminders(ctx.user.id);
+    }),
+
+    create: protectedProcedure
+      .input(z.object({
+        reminderType: z.string(),
+        title: z.string(),
+        message: z.string().optional(),
+        timeOfDay: z.string(),
+        daysOfWeek: z.array(z.number()),
+      }))
+      .mutation(async ({ ctx, input }) => {
+        const reminderId = await db.createReminder({
+          userId: ctx.user.id,
+          ...input,
+        });
+        return { reminderId };
+      }),
+
+    update: protectedProcedure
+      .input(z.object({
+        reminderId: z.number(),
+        title: z.string().optional(),
+        message: z.string().optional(),
+        timeOfDay: z.string().optional(),
+        daysOfWeek: z.array(z.number()).optional(),
+      }))
+      .mutation(async ({ ctx, input }) => {
+        const { reminderId, ...data } = input;
+        await db.updateReminder(reminderId, ctx.user.id, data);
+        return { success: true };
+      }),
+
+    delete: protectedProcedure
+      .input(z.object({ reminderId: z.number() }))
+      .mutation(async ({ ctx, input }) => {
+        await db.deleteReminder(input.reminderId, ctx.user.id);
+        return { success: true };
+      }),
+
+    toggle: protectedProcedure
+      .input(z.object({ reminderId: z.number(), isActive: z.number() }))
+      .mutation(async ({ ctx, input }) => {
+        await db.toggleReminder(input.reminderId, ctx.user.id, input.isActive);
+        return { success: true };
+      }),
+  }),
+
+  // Notifications
+  notification: router({
+    list: protectedProcedure
+      .input(z.object({ limit: z.number().default(50) }).optional())
+      .query(async ({ ctx, input }) => {
+        return db.getUserNotifications(ctx.user.id, input?.limit || 50);
+      }),
+
+    unreadCount: protectedProcedure.query(async ({ ctx }) => {
+      return db.getUnreadNotificationCount(ctx.user.id);
+    }),
+
+    markRead: protectedProcedure
+      .input(z.object({ notificationId: z.number() }))
+      .mutation(async ({ ctx, input }) => {
+        await db.markNotificationRead(input.notificationId, ctx.user.id);
+        return { success: true };
+      }),
+
+    markAllRead: protectedProcedure.mutation(async ({ ctx }) => {
+      await db.markAllNotificationsRead(ctx.user.id);
+      return { success: true };
+    }),
+  }),
 });
 
 // NTRP Rating calculation function
diff --git a/todo.md b/todo.md
index 6548feb..31fd16e 100644
--- a/todo.md
+++ b/todo.md
@@ -52,3 +52,15 @@
 - [x] 功能列表清单文档
 - [x] 测试驱动开发（TDD）完整测试套件
 - [x] 代码规范文档
+- [x] 训练视频教程库 - 预置专业教练标准动作示范视频
+- [x] 训练视频教程库 - 分类浏览（正手/反手/发球/截击/脚步等）
+- [x] 训练视频教程库 - 用户姿势与标准动作对比功能
+- [x] 训练视频教程库 - 教程详情页（要点说明、常见错误）
+- [x] 训练提醒通知 - 用户设定训练时间
+- [x] 训练提醒通知 - 打卡提醒推送
+- [x] 训练提醒通知 - 训练计划提醒
+- [x] 训练提醒通知 - 提醒设置管理页面
+- [x] 更新导航添加新页面入口
+- [x] 编写新功能测试
+- [x] 推送更新到Gitea仓库
+- [x] 去除“在家”等冗余说明文字，简化为直接信息反馈