diff --git a/AIStudyApp/AIStudyApp/Features/Study/StudyHomeView.swift b/AIStudyApp/AIStudyApp/Features/Study/StudyHomeView.swift
index 58ef84d..007fdfe 100644
--- a/AIStudyApp/AIStudyApp/Features/Study/StudyHomeView.swift
+++ b/AIStudyApp/AIStudyApp/Features/Study/StudyHomeView.swift
@@ -1,9 +1,12 @@
 import SwiftUI
 
 struct StudyHomeView: View {
-    @StateObject private var studyVM = StudyViewModel()
     @StateObject private var studyHomeVM = StudyHomeViewModel()
     @StateObject private var reviewVM = ReviewViewModel()
+    @State private var streakDays = 0
+    @State private var weeklyMinutes = 0
+    @State private var reviewCount = 0
+    @State private var hasTodayReview = false
 
     var body: some View {
         ZStack {
@@ -11,232 +14,183 @@ struct StudyHomeView: View {
 
             ScrollView {
                 VStack(spacing: 16) {
-                    // MARK: - Header
+                    // Header + streak
                     HStack {
                         Spacer()
-                        if studyVM.isLoading {
-                            ZXLoadingView(size: 22, lineWidth: 2)
-                        }
                         HStack(spacing: 4) {
                             Image(systemName: "flame.fill")
-                                .font(.system(size: 14))
-                                .foregroundColor(Color.zxOrange)
-                            Text("14 天连续")
-                                .font(.system(size: 13, weight: .bold))
-                                .foregroundColor(Color.zxOrange)
+                                .font(.system(size: 14)).foregroundColor(Color.zxOrange)
+                            Text("\(streakDays) 天连续")
+                                .font(.system(size: 13, weight: .bold)).foregroundColor(Color.zxOrange)
                         }
-                        .padding(.horizontal, 12)
-                        .padding(.vertical, 6)
-                        .background(Color.zxOrangeBG(0.1))
-                        .clipShape(Capsule())
+                        .padding(.horizontal, 12).padding(.vertical, 6)
+                        .background(Color.zxOrangeBG(0.1)).clipShape(Capsule())
                         .overlay(Capsule().stroke(Color(hex: "#F97316", opacity: 0.2), lineWidth: 1))
                     }
-                    .padding(.horizontal, 20)
-                    .padding(.top, 8)
-                    .padding(.bottom, 4)
+                    .padding(.horizontal, 20).padding(.top, 8).padding(.bottom, 4)
 
-                    // MARK: - Progress
-                    progressCard
+                    // MARK: - Main Action Card
+                    if hasTodayReview {
+                        mainActionCard(
+                            icon: "arrow.triangle.2.circlepath",
+                            title: "今日复习",
+                            subtitle: "\(reviewCount) 张卡片待复习",
+                            color: Color.zxPurple,
+                            route: Route.reviewCard
+                        )
+                    } else {
+                        mainActionCard(
+                            icon: "sparkles",
+                            title: "开始学习",
+                            subtitle: "从知识库挑选内容开始今天的进步",
+                            color: Color.zxPrimary,
+                            route: Route.studyHome
+                        )
+                    }
 
-                    // MARK: - Today's Tasks
+                    // MARK: - Weekly Summary
+                    weeklySummaryCard
+
+                    // MARK: - Today Tasks
                     VStack(alignment: .leading, spacing: 12) {
                         HStack {
-                            Text("今日任务")
-                                .font(.system(size: 15, weight: .bold))
-                                .foregroundColor(Color.zxF0)
+                            Text("今日任务").font(.system(size: 15, weight: .bold)).foregroundColor(Color.zxF0)
                             Spacer()
                             HStack(spacing: 4) {
-                                Image(systemName: "calendar")
-                                    .font(.system(size: 12))
-                                    .foregroundColor(Color.zxF04)
-                                Text("AI 自动排期")
-                                    .font(.system(size: 12))
-                                    .foregroundColor(Color.zxF04)
+                                Image(systemName: "calendar").font(.system(size: 12)).foregroundColor(Color.zxF04)
+                                Text("AI 自动排期").font(.system(size: 12)).foregroundColor(Color.zxF04)
                             }
                         }
                         ForEach($studyHomeVM.tasks) { $t in
-                            if t.tp == "回忆测试" {
-                                NavigationLink(value: Route.activeRecall) {
+                            routeForTask(t).map { route in
+                                NavigationLink(value: route) {
                                     ZXSTaskRowView(task: t) { t.d.toggle() }
-                                }
-                                .foregroundColor(.primary)
-                            } else if t.tp == "费曼练习" {
-                                NavigationLink(value: Route.aiChat) {
-                                    ZXSTaskRowView(task: t) { t.d.toggle() }
-                                }
-                                .foregroundColor(.primary)
-                            } else if t.tp == "薄弱点" {
-                                NavigationLink(value: Route.weakPoints) {
-                                    ZXSTaskRowView(task: t) { t.d.toggle() }
-                                }
-                                .foregroundColor(.primary)
-                            } else if t.tp == "间隔复习" {
-                                NavigationLink(value: Route.reviewCard) {
-                                    ZXSTaskRowView(task: t) { t.d.toggle() }
-                                }
-                                .foregroundColor(.primary)
-                            } else {
-                                NavigationLink(value: Route.learningSession(taskTitle: t.t, taskType: t.tp, taskColorHex: t.ch)) {
-                                    ZXSTaskRowView(task: t) { t.d.toggle() }
-                                }
-                                .foregroundColor(.primary)
+                                }.foregroundColor(.primary)
                             }
                         }
-                    }
-                    .padding(.horizontal, 20)
+                    }.padding(.horizontal, 20)
 
                     // MARK: - Daily Thinking
-                    dailyThinkingCard
-                        .padding(.horizontal, 20)
+                    dailyThinkingCard.padding(.horizontal, 20)
 
-                    // Bottom spacer
                     Color.clear.frame(height: 100)
                 }
             }
             .scrollIndicators(.hidden)
-            .zxPullToRefresh { await studyVM.loadSessions() }
+            .zxPullToRefresh { await refreshData() }
         }
-        .task { await studyVM.loadSessions() }
+        .task { await refreshData() }
         .navigationDestination(for: Route.self) { $0.destination }
     }
 
-    // MARK: - Progress Card
+    // MARK: - Main Action Card
 
-    private var progressCard: some View {
-        let dn = studyHomeVM.doneCount
-        let pct = CGFloat(dn) / 5
-        return VStack(spacing: 12) {
-            HStack {
-                VStack(alignment: .leading, spacing: 2) {
-                    Text("今日进度")
-                        .font(.system(size: 13, weight: .medium))
-                        .foregroundColor(Color.zxF05)
-                    HStack(alignment: .lastTextBaseline, spacing: 6) {
-                        Text("\(dn)")
-                            .font(.system(size: 26, weight: .black))
-                            .foregroundColor(Color.zxF0)
-                            .contentTransition(.numericText())
-                        Text("/ 5")
-                        Text("个任务")
-                            .font(.system(size: 14, weight: .medium))
-                            .foregroundColor(Color.zxF04)
+    private func mainActionCard(icon: String, title: String, subtitle: String, color: Color, route: Route) -> some View {
+        NavigationLink(value: route) {
+            VStack(spacing: 16) {
+                HStack {
+                    VStack(alignment: .leading, spacing: 6) {
+                        Text("今日主行动").font(.system(size: 11, weight: .semibold)).foregroundColor(Color.zxInkTertiary).textCase(.uppercase).tracking(0.5)
+                        Text(title).font(.system(size: 24, weight: .heavy)).foregroundColor(Color.zxF0).tracking(-0.5)
+                        Text(subtitle).font(.system(size: 13)).foregroundColor(Color.zxF04)
+                    }
+                    Spacer()
+                    ZStack {
+                        Circle().fill(color.opacity(0.12)).frame(width: 64, height: 64)
+                        Image(systemName: icon).font(.system(size: 26)).foregroundColor(color)
                     }
                 }
-                Spacer()
-                ZStack {
-                    Circle()
-                        .trim(from: 0, to: pct)
-                        .stroke(ZXGradient.brand, style: StrokeStyle(lineWidth: 8, lineCap: .round))
-                        .rotationEffect(.degrees(-90))
-                        .frame(width: 64, height: 64)
-                        .animation(.easeInOut(duration: 0.8), value: pct)
-                    Text("\(Int(pct * 100))%")
-                        .font(.system(size: 14, weight: .heavy))
-                        .foregroundColor(Color.zxPurple)
-                        .contentTransition(.numericText())
-                }
-            }
-            ZStack(alignment: .leading) {
-                RoundedRectangle(cornerRadius: 3)
-                    .fill(Color.zxFill008)
-                    .frame(height: 6)
-                RoundedRectangle(cornerRadius: 3)
-                    .fill(LinearGradient(colors: [Color.zxPurple, Color.zxAccent], startPoint: .leading, endPoint: .trailing))
-                    .frame(width: max(6, pct * (UIScreen.main.bounds.width - 72)), height: 6)
-                    .animation(.easeInOut(duration: 0.6), value: pct)
-            }
-            HStack {
-                VStack(alignment: .leading, spacing: 2) {
-                    Text("\(dn * 12) 分钟")
-                        .font(.system(size: 13, weight: .bold))
-                        .foregroundColor(Color.zxF0)
-                    Text("已学")
-                        .font(.system(size: 10))
-                        .foregroundColor(Color.zxF04)
-                }
-                Spacer()
-                VStack(spacing: 2) {
-                    Text("\((5 - dn) * 11) 分钟")
-                        .font(.system(size: 13, weight: .bold))
-                        .foregroundColor(Color.zxF0)
-                    Text("剩余")
-                        .font(.system(size: 10))
-                        .foregroundColor(Color.zxF04)
-                }
-                Spacer()
-                VStack(alignment: .trailing, spacing: 2) {
-                    Text("+5 点")
-                        .font(.system(size: 13, weight: .bold))
-                        .foregroundColor(Color.zxF0)
-                    Text("掌握")
-                        .font(.system(size: 10))
-                        .foregroundColor(Color.zxF04)
+                HStack(spacing: 8) {
+                    Text("开始").font(.system(size: 14, weight: .semibold))
+                    Image(systemName: "arrow.right").font(.system(size: 12, weight: .bold))
                 }
+                .foregroundColor(Color.zxOnPrimary).frame(maxWidth: .infinity).frame(height: 44)
+                .background(ZXGradient.brand).clipShape(RoundedRectangle(cornerRadius: 12))
             }
+            .padding(20)
+            .background(Color.zxSurfaceElevated)
+            .overlay(RoundedRectangle(cornerRadius: 20).stroke(Color.zxHairline, lineWidth: 0.5))
+            .clipShape(RoundedRectangle(cornerRadius: 20))
         }
-        .padding(16)
-        .background(ZXGradient.progressCard)
-        .overlay(RoundedRectangle(cornerRadius: 20).stroke(Color(hex: "#7C6EFA", opacity: 0.15), lineWidth: 1))
-        .clipShape(RoundedRectangle(cornerRadius: 20))
+        .foregroundColor(.primary)
         .padding(.horizontal, 20)
     }
 
+    // MARK: - Weekly Summary
+
+    private var weeklySummaryCard: some View {
+        HStack(spacing: 0) {
+            weeklyStat("\(weeklyMinutes)", "本周分钟", Color.zxOrange)
+            weeklyStat("\(studyHomeVM.doneCount)", "完成任务", Color.zxPurple)
+            weeklyStat("\(reviewCount)", "复习卡片", Color.zxTeal)
+            weeklyStat("\(streakDays)", "连续天数", Color.zxAmber)
+        }
+        .padding(.horizontal, 20)
+    }
+
+    private func weeklyStat(_ value: String, _ label: String, _ color: Color) -> some View {
+        VStack(spacing: 4) {
+            Text(value).font(.system(size: 20, weight: .heavy)).foregroundColor(color)
+            Text(label).font(.system(size: 10)).foregroundColor(Color.zxF04)
+        }.frame(maxWidth: .infinity)
+    }
+
     // MARK: - Daily Thinking Card
 
     private var dailyThinkingCard: some View {
         VStack(alignment: .leading, spacing: 14) {
             HStack {
-                Image(systemName: "sparkles")
-                    .font(.system(size: 13))
-                    .foregroundColor(Color.zxPrimary)
-                    .frame(width: 30, height: 30)
-                    .background(Color.zxPrimarySoft)
-                    .clipShape(RoundedRectangle(cornerRadius: ZXRadius.sm))
-
-                Text("每日思考题")
-                    .font(.system(size: 14, weight: .semibold))
-                    .foregroundColor(Color.zxInkPrimary)
-
+                Image(systemName: "sparkles").font(.system(size: 13)).foregroundColor(Color.zxPrimary)
+                    .frame(width: 30, height: 30).background(Color.zxPrimarySoft).clipShape(RoundedRectangle(cornerRadius: ZXRadius.sm))
+                Text("每日思考题").font(.system(size: 14, weight: .semibold)).foregroundColor(Color.zxInkPrimary)
                 Spacer()
-
-                Text("待回答")
-                    .font(.system(size: 11, weight: .semibold))
-                    .foregroundColor(Color.zxAmberDeep)
-                    .padding(.horizontal, 8)
-                    .padding(.vertical, 3)
-                    .background(Color.zxAmberSoft)
-                    .clipShape(RoundedRectangle(cornerRadius: ZXRadius.xs))
+                Text("待回答").font(.system(size: 11, weight: .semibold)).foregroundColor(Color.zxAmberDeep)
+                    .padding(.horizontal, 8).padding(.vertical, 3).background(Color.zxAmberSoft).clipShape(RoundedRectangle(cornerRadius: ZXRadius.xs))
             }
-
             Text("解释「注意力机制」在 Transformer 中的作用，不能使用搜索，用你自己的话说。")
-                .font(.system(size: 15, weight: .regular))
-                .foregroundColor(Color.zxInkPrimary)
-                .lineSpacing(6)
-
+                .font(.system(size: 15, weight: .regular)).foregroundColor(Color.zxInkPrimary).lineSpacing(6)
             NavigationLink(value: Route.dailyThinking) {
                 HStack(spacing: 8) {
-                    Text("开始回答")
-                        .font(.system(size: 14, weight: .semibold))
-                    Image(systemName: "arrow.right")
-                        .font(.system(size: 12, weight: .semibold))
+                    Text("开始回答").font(.system(size: 14, weight: .semibold))
+                    Image(systemName: "arrow.right").font(.system(size: 12, weight: .semibold))
                 }
-                .foregroundColor(Color.zxOnPrimary)
-                .frame(maxWidth: .infinity)
-                .frame(height: 48)
-                .background(ZXGradient.brand)
-                .clipShape(RoundedRectangle(cornerRadius: ZXRadius.md))
-            }
-            .accessibilityLabel("开始回答每日思考题")
+                .foregroundColor(Color.zxOnPrimary).frame(maxWidth: .infinity).frame(height: 48)
+                .background(ZXGradient.brand).clipShape(RoundedRectangle(cornerRadius: ZXRadius.md))
+            }.accessibilityLabel("开始回答每日思考题")
         }
         .padding(16)
         .background(Color.zxSurfaceElevated)
-        .overlay(
-            RoundedRectangle(cornerRadius: ZXRadius.lg)
-                .stroke(Color.zxHairline, lineWidth: 0.5)
-        )
+        .overlay(RoundedRectangle(cornerRadius: ZXRadius.lg).stroke(Color.zxHairline, lineWidth: 0.5))
         .clipShape(RoundedRectangle(cornerRadius: ZXRadius.lg))
     }
 
+    // MARK: - Helpers
+
+    private func routeForTask(_ t: ZXSTask) -> Route? {
+        switch t.tp {
+        case "回忆测试": return .activeRecall
+        case "费曼练习": return .aiChat
+        case "薄弱点": return .weakPoints
+        case "间隔复习": return .reviewCard
+        case _ where !t.t.isEmpty: return .learningSession(taskTitle: t.t, taskType: t.tp, taskColorHex: t.ch)
+        default: return nil
+        }
+    }
+
+    private func refreshData() async {
+        do {
+            let streak = try? await ActivityService.shared.streak()
+            streakDays = streak?.currentStreak ?? 0
+
+            let summary = try? await ActivityService.shared.summary()
+            weeklyMinutes = summary?.totalMinutes ?? 0
+            reviewCount = summary?.totalCardsReviewed ?? 0
+
+            let dueCards = try? await ReviewService.shared.dueCards()
+            hasTodayReview = (dueCards?.count ?? 0) > 0
+            reviewCount = max(reviewCount, dueCards?.count ?? 0)
+        }
+    }
 }
 
 struct ZXSTask: Identifiable { let id = UUID(); let t: String; let tp: String; let ch: String; let m: Int; var d: Bool; var c: Color { Color(hex: ch) } }