fixed some bugs

ios/OralTrainer/Config.swift

@@ -20,4 +20,7 @@ enum AppConfig {
 
     /// 当前登录用户的认证 token，由 AuthManager 在登录/注销时设置。
     static var authToken: String = ""
+
+    /// 当前登录用户 ID，用于隔离本机缓存的历史录音和评分。
+    static var currentUserId: String = ""
 }

ios/OralTrainer/Services/TrainingHistoryStore.swift

@@ -0,0 +1,167 @@
+import Foundation
+
+struct PersistedRecording {
+    let audioURL: URL
+    let rawURL: URL
+}
+
+struct TrainingHistorySnapshot {
+    var audioSegments: [Int: URL] = [:]
+    var rawSegments: [Int: URL] = [:]
+    var scores: [Int: ImitationAssessmentResult] = [:]
+}
+
+@MainActor
+final class TrainingHistoryManager: ObservableObject {
+    @Published private(set) var historyVersion = 0
+    let store = TrainingHistoryStore()
+
+    func notifyHistoryChanged() {
+        historyVersion += 1
+    }
+}
+
+final class TrainingHistoryStore {
+    private let root: URL
+
+    init() {
+        let documents = FileManager.default.urls(for: .documentDirectory, in: .userDomainMask)[0]
+        root = documents.appendingPathComponent("TrainingHistory", isDirectory: true)
+        try? FileManager.default.createDirectory(at: root, withIntermediateDirectories: true)
+    }
+
+    func normalizedVideoHash(_ videoHash: String) -> String {
+        let allowed = CharacterSet(charactersIn: "0123456789abcdefABCDEF")
+        let filtered = videoHash.lowercased().unicodeScalars.filter { allowed.contains($0) }
+        return String(String.UnicodeScalarView(filtered))
+    }
+
+    private var userDirectory: URL {
+        let identifier = normalizedVideoHash(AppConfig.currentUserId)
+        return root.appendingPathComponent(identifier.isEmpty ? "anonymous" : identifier, isDirectory: true)
+    }
+
+    func load(videoHash: String) -> TrainingHistorySnapshot {
+        let directory = courseDirectory(videoHash)
+        var snapshot = TrainingHistorySnapshot()
+        for index in 0..<500 {
+            let audio = directory.appendingPathComponent(String(format: "segment-%04d.m4a", index))
+            let raw = directory.appendingPathComponent(String(format: "raw-%04d.caf", index))
+            if FileManager.default.fileExists(atPath: audio.path) {
+                snapshot.audioSegments[index] = audio
+            }
+            if FileManager.default.fileExists(atPath: raw.path) {
+                snapshot.rawSegments[index] = raw
+            }
+        }
+
+        let scoreFile = directory.appendingPathComponent("scores.json")
+        if let data = try? Data(contentsOf: scoreFile),
+           let object = try? JSONSerialization.jsonObject(with: data) as? [String: Any] {
+            for (key, value) in object {
+                guard let index = Int(key), index >= 0 else { continue }
+                if let payload = value as? [String: Any],
+                   let payloadData = try? JSONSerialization.data(withJSONObject: payload),
+                   let score = try? JSONDecoder().decode(ImitationAssessmentResult.self, from: payloadData) {
+                    snapshot.scores[index] = score
+                }
+            }
+        }
+        return snapshot
+    }
+
+    func saveSegment(
+        videoHash: String,
+        sentenceIndex: Int,
+        audioURL: URL,
+        rawURL: URL
+    ) throws -> PersistedRecording {
+        let directory = courseDirectory(videoHash)
+        try FileManager.default.createDirectory(at: directory, withIntermediateDirectories: true)
+        let savedAudio = directory.appendingPathComponent(
+            String(format: "segment-%04d.m4a", sentenceIndex)
+        )
+        let savedRaw = directory.appendingPathComponent(
+            String(format: "raw-%04d.caf", sentenceIndex)
+        )
+        try? FileManager.default.removeItem(at: savedAudio)
+        try? FileManager.default.removeItem(at: savedRaw)
+        try FileManager.default.moveItem(at: audioURL, to: savedAudio)
+        try FileManager.default.moveItem(at: rawURL, to: savedRaw)
+        return PersistedRecording(audioURL: savedAudio, rawURL: savedRaw)
+    }
+
+    func audioDestination(videoHash: String, sentenceIndex: Int) -> URL {
+        courseDirectory(videoHash).appendingPathComponent(
+            String(format: "segment-%04d.m4a", sentenceIndex)
+        )
+    }
+
+    func saveScores(
+        videoHash: String,
+        scores: [Int: ImitationAssessmentResult]
+    ) {
+        let directory = courseDirectory(videoHash)
+        do {
+            try FileManager.default.createDirectory(at: directory, withIntermediateDirectories: true)
+            var object: [String: Any] = [:]
+            for (index, score) in scores {
+                object[String(index)] = Self.payload(score)
+            }
+            let data = try JSONSerialization.data(withJSONObject: object, options: [.sortedKeys])
+            try data.write(
+                to: directory.appendingPathComponent("scores.json"),
+                options: [.atomic]
+            )
+        } catch {
+            // History persistence is best-effort; the server remains the source of record.
+        }
+    }
+
+    func removeScore(videoHash: String, sentenceIndex: Int) {
+        var snapshot = load(videoHash: videoHash)
+        snapshot.scores[sentenceIndex] = nil
+        saveScores(videoHash: videoHash, scores: snapshot.scores)
+    }
+
+    func removeAllAudio(videoHash: String) {
+        let snapshot = load(videoHash: videoHash)
+        for url in snapshot.audioSegments.values {
+            try? FileManager.default.removeItem(at: url)
+        }
+        for url in snapshot.rawSegments.values {
+            try? FileManager.default.removeItem(at: url)
+        }
+    }
+
+    private func courseDirectory(_ videoHash: String) -> URL {
+        userDirectory.appendingPathComponent(normalizedVideoHash(videoHash), isDirectory: true)
+    }
+
+    private static func payload(_ score: ImitationAssessmentResult) -> [String: Any] {
+        var value: [String: Any] = ["overall_score": score.overallScore]
+        if let item = score.passed { value["passed"] = item }
+        if let item = score.passScore { value["pass_score"] = item }
+        if let item = score.contentScore { value["content_score"] = item }
+        if let item = score.completenessScore { value["completeness_score"] = item }
+        if let item = score.fluencyScore { value["fluency_score"] = item }
+        if let item = score.pronunciationScore { value["pronunciation_score"] = item }
+        if let item = score.prosodyScore { value["prosody_score"] = item }
+        if let item = score.durationScore { value["duration_score"] = item }
+        if let item = score.pauseScore { value["pause_score"] = item }
+        if let item = score.speechRateScore { value["speech_rate_score"] = item }
+        if let item = score.referenceText { value["reference_text"] = item }
+        if let item = score.recognizedText { value["recognized_text"] = item }
+        if let item = score.durationRatio { value["duration_ratio"] = item }
+        if !score.missingTokens.isEmpty { value["missing_tokens"] = score.missingTokens }
+        if !score.extraTokens.isEmpty { value["extra_tokens"] = score.extraTokens }
+        if !score.substitutions.isEmpty {
+            value["substitutions"] = score.substitutions.map {
+                ["expected": $0.expected, "actual": $0.actual]
+            }
+        }
+        if let item = score.feedback { value["feedback"] = item }
+        if !score.details.isEmpty { value["details"] = score.details }
+        return value
+    }
+}

ios/OralTrainer/Services/UserHistory.swift

@@ -0,0 +1,177 @@
+import Foundation
+
+struct UserResultSummary: Identifiable, Decodable {
+    let attemptId: String
+    let videoHash: String
+    let courseTitle: String
+    let sentenceIndex: Int
+    let sentenceText: String
+    let overallScore: Float
+    let passed: Bool
+    let createdAt: String
+
+    var id: String { attemptId }
+
+    private enum CodingKeys: String, CodingKey {
+        case overallScore = "overall_score"
+        case courseTitle = "course_title"
+        case sentenceIndex = "sentence_index"
+        case sentenceText = "sentence_text"
+        case createdAt = "created_at"
+        case attemptId = "attempt_id"
+        case videoHash = "video_hash"
+        case passed
+    }
+}
+
+struct UserDubShareSummary: Identifiable, Decodable {
+    let shareId: String
+    let videoHash: String
+    let courseTitle: String
+    let title: String
+    let segmentCount: Int
+    let averageScore: Float
+    let createdAt: String
+
+    var id: String { shareId }
+
+    private enum CodingKeys: String, CodingKey {
+        case averageScore = "average_score"
+        case courseTitle = "course_title"
+        case segmentCount = "segment_count"
+        case createdAt = "created_at"
+        case shareId = "share_id"
+        case videoHash = "video_hash"
+        case title
+    }
+}
+
+struct DubShareSegmentDetail: Decodable {
+    let index: Int
+    let overallScore: Float
+    let recognizedText: String
+    let scoreDetails: [String: Float]
+    let audioURL: String
+
+    private enum CodingKeys: String, CodingKey {
+        case overallScore = "overall_score"
+        case recognizedText = "recognized_text"
+        case scoreDetails = "score_details"
+        case audioURL = "audio_url"
+        case index
+    }
+}
+
+struct DubShareDetail: Decodable {
+    let shareId: String
+    let videoHash: String
+    let title: String
+    let segments: [DubShareSegmentDetail]
+
+    private enum CodingKeys: String, CodingKey {
+        case shareId = "share_id"
+        case videoHash = "video_hash"
+        case title
+        case segments
+    }
+}
+
+enum UserHistoryError: LocalizedError {
+    case badStatus(Int, String)
+
+    var errorDescription: String? {
+        switch self {
+        case .badStatus(let code, let body):
+            return "HTTP \(code): \(body.prefix(200))"
+        }
+    }
+}
+
+enum UserHistoryAPI {
+    static func results(token: String) async throws -> [UserResultSummary] {
+        try await getJSON([UserResultSummary].self, path: "api/v1/me/results", token: token)
+    }
+
+    static func dubShares(token: String) async throws -> [UserDubShareSummary] {
+        try await getJSON([UserDubShareSummary].self, path: "api/v1/me/dub-shares", token: token)
+    }
+
+    static func dubShareDetail(token: String, shareId: String) async throws -> DubShareDetail {
+        try await getJSON(
+            DubShareDetail.self,
+            path: "api/v1/dub-shares/\(shareId)",
+            token: token
+        )
+    }
+
+    static func deleteResult(token: String, attemptId: String) async throws {
+        try await delete(path: "api/v1/me/results/\(attemptId)", token: token)
+    }
+
+    static func deleteDubShare(token: String, shareId: String) async throws {
+        try await delete(path: "api/v1/me/dub-shares/\(shareId)", token: token)
+    }
+
+    static func downloadAudio(
+        token: String,
+        audioPath: String,
+        destination: URL
+    ) async throws {
+        let result = try await HTTPClient.execute(
+            baseURL: AppConfig.serverBaseURL,
+            path: audioPath,
+            method: "GET",
+            timeout: AppConfig.readTimeout,
+            headers: authorizationHeaders(token: token)
+        )
+        guard (200...299).contains(result.statusCode) else {
+            throw UserHistoryError.badStatus(
+                result.statusCode,
+                String(data: result.body, encoding: .utf8) ?? ""
+            )
+        }
+        try? FileManager.default.removeItem(at: destination)
+        try result.body.write(to: destination, options: .atomic)
+    }
+
+    private static func getJSON<T: Decodable>(
+        _ type: T.Type,
+        path: String,
+        token: String
+    ) async throws -> T {
+        let result = try await HTTPClient.execute(
+            baseURL: AppConfig.serverBaseURL,
+            path: path,
+            method: "GET",
+            timeout: AppConfig.readTimeout,
+            headers: authorizationHeaders(token: token)
+        )
+        guard (200...299).contains(result.statusCode) else {
+            throw UserHistoryError.badStatus(
+                result.statusCode,
+                String(data: result.body, encoding: .utf8) ?? ""
+            )
+        }
+        return try JSONDecoder().decode(T.self, from: result.body)
+    }
+
+    private static func delete(path: String, token: String) async throws {
+        let result = try await HTTPClient.execute(
+            baseURL: AppConfig.serverBaseURL,
+            path: path,
+            method: "DELETE",
+            timeout: AppConfig.readTimeout,
+            headers: authorizationHeaders(token: token)
+        )
+        guard (200...299).contains(result.statusCode) else {
+            throw UserHistoryError.badStatus(
+                result.statusCode,
+                String(data: result.body, encoding: .utf8) ?? ""
+            )
+        }
+    }
+
+    private static func authorizationHeaders(token: String) -> [String: String] {
+        token.isEmpty ? [:] : ["Authorization": "Bearer \(token)"]
+    }
+}

ios/OralTrainer/Views/AuthView.swift

@@ -6,15 +6,20 @@ import SwiftUI
 final class AuthManager: ObservableObject {
     @Published var token: String
     @Published var nickname: String
+    @Published var userID: String
     @Published var showingRegister = false
     @Published var showingSSO = false
     @Published var showingPhoneBinding = false
     @Published var ssoPendingToken: String?
+    @Published var ssoPendingUserId = ""
 
     init() {
         let defaults = UserDefaults.standard
         token = defaults.string(forKey: "oral_trainer_token") ?? ""
         nickname = defaults.string(forKey: "oral_trainer_nickname") ?? ""
+        let userID = defaults.string(forKey: "oral_trainer_user_id") ?? ""
+        AppConfig.currentUserId = userID
+        self.userID = userID
         AppConfig.authToken = token
     }
 
@@ -24,22 +29,29 @@ final class AuthManager: ObservableObject {
         token = session.token
         nickname = session.user.nickname
         AppConfig.authToken = session.token
+        userID = session.user.id
+        AppConfig.currentUserId = session.user.id
         let defaults = UserDefaults.standard
         defaults.set(session.token, forKey: "oral_trainer_token")
         defaults.set(session.user.nickname, forKey: "oral_trainer_nickname")
+        defaults.set(session.user.id, forKey: "oral_trainer_user_id")
     }
 
     func logout() {
         token = ""
         nickname = ""
         AppConfig.authToken = ""
+        userID = ""
+        AppConfig.currentUserId = ""
         showingRegister = false
         showingSSO = false
         showingPhoneBinding = false
         ssoPendingToken = nil
+        ssoPendingUserId = ""
         let defaults = UserDefaults.standard
         defaults.removeObject(forKey: "oral_trainer_token")
         defaults.removeObject(forKey: "oral_trainer_nickname")
+        defaults.removeObject(forKey: "oral_trainer_user_id")
     }
 }
 
@@ -357,6 +369,7 @@ struct SSOWebView: View {
                 dismiss()
                 if !result.phoneBound {
                     auth.ssoPendingToken = result.token
+                    auth.ssoPendingUserId = result.user.id
                     auth.showingPhoneBinding = true
                 } else {
                     auth.saveSession(AuthSession(token: result.token, user: result.user))
@@ -499,7 +512,13 @@ struct PhoneBindingView: View {
             try await AuthAPI.ssoBindPhone(token: token, phone: cleaned)
             auth.showingPhoneBinding = false
             auth.ssoPendingToken = nil
-            auth.saveSession(AuthSession(token: token, user: AuthUser(id: "", username: "", nickname: "")))
+            let userID = auth.ssoPendingUserId
+            auth.saveSession(
+                AuthSession(
+                    token: token,
+                    user: AuthUser(id: userID, username: "", nickname: "")
+                )
+            )
             dismiss()
             onLoginSuccess()
         } catch {

ios/OralTrainer/Views/RootView.swift

@@ -6,6 +6,7 @@ struct RootView: View {
     @StateObject private var auth = AuthManager()
     @StateObject private var controller = PlayerController()
     @StateObject private var catalogVM = CatalogViewModel()
+    @StateObject private var historyManager = TrainingHistoryManager()
     @State private var activeModule: Module = .course
     @State private var continuousPlayback = false
     @State private var showImporter = false
@@ -14,6 +15,11 @@ struct RootView: View {
     @State private var currentCourse: Course?
     @State private var courseStatusText = "正在同步"
     @State private var showCourseGuardToast = false
+    @State private var managedResults: [UserResultSummary] = []
+    @State private var managedDubShares: [UserDubShareSummary] = []
+    @State private var managementStatus = ""
+    @State private var managementIsLoading = false
+    @State private var deletingHistoryID: String?
 
     enum Module {
         case course
@@ -49,7 +55,11 @@ struct RootView: View {
                         onFullscreen: enterFullscreen
                     )
                 case .test:
-                    TestView(controller: controller, onFullscreen: enterFullscreen)
+                    TestView(
+                        controller: controller,
+                        historyManager: historyManager,
+                        onFullscreen: enterFullscreen
+                    )
                 case .mine:
                     minePage
                 }
@@ -276,10 +286,195 @@ struct RootView: View {
                     .font(.system(size: 13))
                     .foregroundColor(Theme.textMuted)
                     .padding(.horizontal, 16)
+
+                HStack(spacing: 10) {
+                    Button {
+                        Task { await loadManagedHistory() }
+                    } label: {
+                        Text(managementIsLoading ? "刷新中..." : "刷新记录")
+                            .font(.system(size: 13, weight: .bold))
+                            .foregroundColor(.white)
+                            .padding(.horizontal, 14)
+                            .frame(height: 36)
+                            .background(Theme.buttonBlue)
+                            .clipShape(RoundedRectangle(cornerRadius: 8))
+                    }
+                    .buttonStyle(.plain)
+                    .disabled(managementIsLoading)
+
+                    if !managementStatus.isEmpty {
+                        Text(managementStatus)
+                            .font(.system(size: 12))
+                            .foregroundColor(Theme.textMuted)
+                    }
+                }
+                .padding(.horizontal, 16)
+
+                historyGroup(title: "我的测试结果", isEmpty: managedResults.isEmpty) {
+                    ForEach(managedResults) { row in
+                        resultRow(row)
+                    }
+                }
+
+                historyGroup(title: "我的配音分享", isEmpty: managedDubShares.isEmpty) {
+                    ForEach(managedDubShares) { row in
+                        dubShareRow(row)
+                    }
+                }
+            }
+            .padding(.bottom, 24)
+        }
+        .task(id: currentCourse?.videoHash) {
+            await loadManagedHistory()
+        }
+    }
+
+    private func historyGroup<Content: View>(
+        title: String,
+        isEmpty: Bool,
+        @ViewBuilder content: () -> Content
+    ) -> some View {
+        VStack(alignment: .leading, spacing: 10) {
+            Text(title)
+                .font(.system(size: 18, weight: .bold))
+                .foregroundColor(.white)
+                .padding(.horizontal, 16)
+            if isEmpty {
+                Text("该课程暂无记录")
+                    .font(.system(size: 13))
+                    .foregroundColor(Theme.textMuted)
+                    .padding(14)
+                    .frame(maxWidth: .infinity, alignment: .leading)
+                    .background(Theme.surface)
+                    .clipShape(RoundedRectangle(cornerRadius: 10))
+                    .padding(.horizontal, 16)
+            } else {
+                LazyVStack(spacing: 8, content: content)
+                    .padding(.horizontal, 16)
             }
         }
     }
 
+    private func resultRow(_ row: UserResultSummary) -> some View {
+        historyRow(
+            title: "第 \(row.sentenceIndex + 1) 句 · \(String(format: "%.0f", row.overallScore)) 分",
+            subtitle: "\(row.passed ? "通过" : "未通过") · \(displayDate(row.createdAt))\n\(row.sentenceText)",
+            isDeleting: deletingHistoryID == row.id,
+            deleteLabel: "删除"
+        ) {
+            await deleteResult(row)
+        }
+    }
+
+    private func dubShareRow(_ row: UserDubShareSummary) -> some View {
+        historyRow(
+            title: row.title,
+            subtitle: "\(row.segmentCount) 句 · 平均 \(String(format: "%.0f", row.averageScore)) 分 · \(displayDate(row.createdAt))",
+            isDeleting: deletingHistoryID == row.id,
+            deleteLabel: "删除"
+        ) {
+            await deleteDubShare(row)
+        }
+    }
+
+    private func historyRow(
+        title: String,
+        subtitle: String,
+        isDeleting: Bool,
+        deleteLabel: String,
+        action: @escaping () async -> Void
+    ) -> some View {
+        VStack(alignment: .leading, spacing: 8) {
+            Text(title)
+                .font(.system(size: 15, weight: .bold))
+                .foregroundColor(Theme.textDark)
+            Text(subtitle)
+                .font(.system(size: 12))
+                .foregroundColor(Theme.textSubtle)
+                .fixedSize(horizontal: false, vertical: true)
+            HStack {
+                Spacer()
+                Button {
+                    Task { await action() }
+                } label: {
+                    Text(isDeleting ? "删除中..." : deleteLabel)
+                        .font(.system(size: 12, weight: .bold))
+                        .foregroundColor(.white)
+                        .padding(.horizontal, 12)
+                        .frame(height: 28)
+                        .background(isDeleting ? Theme.border : Theme.danger)
+                        .clipShape(RoundedRectangle(cornerRadius: 7))
+                }
+                .buttonStyle(.plain)
+                .disabled(isDeleting)
+            }
+        }
+        .padding(12)
+        .frame(maxWidth: .infinity, alignment: .leading)
+        .background(Theme.surface)
+        .overlay(
+            RoundedRectangle(cornerRadius: 10)
+                .stroke(Theme.lightBorder, lineWidth: 1)
+        )
+        .clipShape(RoundedRectangle(cornerRadius: 10))
+    }
+
+    private func loadManagedHistory() async {
+        guard let course = currentCourse else {
+            managementStatus = "请先选择课程"
+            managedResults = []
+            managedDubShares = []
+            return
+        }
+        managementIsLoading = true
+        managementStatus = "正在加载..."
+        defer { managementIsLoading = false }
+        do {
+            async let resultsTask = UserHistoryAPI.results(token: auth.token)
+            async let sharesTask = UserHistoryAPI.dubShares(token: auth.token)
+            let (allResults, allShares) = try await (resultsTask, sharesTask)
+            managedResults = allResults.filter { $0.videoHash.caseInsensitiveCompare(course.videoHash) == .orderedSame }
+            managedDubShares = allShares.filter { $0.videoHash.caseInsensitiveCompare(course.videoHash) == .orderedSame }
+            managementStatus = "共 \(managedResults.count) 条测试、\(managedDubShares.count) 条配音"
+        } catch {
+            managementStatus = "记录加载失败：\(error.localizedDescription)"
+        }
+    }
+
+    private func deleteResult(_ row: UserResultSummary) async {
+        guard let course = currentCourse, deletingHistoryID == nil else { return }
+        deletingHistoryID = row.id
+        defer { deletingHistoryID = nil }
+        do {
+            try await UserHistoryAPI.deleteResult(token: auth.token, attemptId: row.attemptId)
+            managedResults.removeAll { $0.id == row.id }
+            historyManager.store.removeScore(videoHash: course.videoHash, sentenceIndex: row.sentenceIndex)
+            historyManager.notifyHistoryChanged()
+            managementStatus = "测试记录已删除"
+        } catch {
+            managementStatus = "删除失败：\(error.localizedDescription)"
+        }
+    }
+
+    private func deleteDubShare(_ row: UserDubShareSummary) async {
+        guard let course = currentCourse, deletingHistoryID == nil else { return }
+        deletingHistoryID = row.id
+        defer { deletingHistoryID = nil }
+        do {
+            try await UserHistoryAPI.deleteDubShare(token: auth.token, shareId: row.shareId)
+            managedDubShares.removeAll { $0.id == row.id }
+            historyManager.store.removeAllAudio(videoHash: course.videoHash)
+            historyManager.notifyHistoryChanged()
+            managementStatus = "配音分享已删除"
+        } catch {
+            managementStatus = "删除失败：\(error.localizedDescription)"
+        }
+    }
+
+    private func displayDate(_ value: String) -> String {
+        value.replacingOccurrences(of: "T", with: " ").prefix(16).description
+    }
+
     // MARK: - Load Courses
 
     private func loadCourses() async {

ios/OralTrainer/Views/TestView.swift

@@ -3,6 +3,7 @@ import SwiftUI
 
 struct TestView: View {
     @ObservedObject var controller: PlayerController
+    @ObservedObject var historyManager: TrainingHistoryManager
     let onFullscreen: () -> Void
 
     @State private var recordingSession: AudioRecorderSession?
@@ -25,6 +26,8 @@ struct TestView: View {
     @State private var showShareSheet = false
     @State private var dubPlaybackObserver: NSObjectProtocol?
     @State private var testSubtitleVisible = true
+    @State private var loadedCourseHash: String?
+    @State private var remoteHistoryGeneration = 0
 
     var body: some View {
         ScrollView(showsIndicators: false) {
@@ -121,7 +124,8 @@ struct TestView: View {
                 .padding(16)
             }
         }
-        .onReceive(controller.$currentItem) { _ in
+        .onReceive(controller.$currentItem) { item in
+            synchronizeHistory(for: item?.id)
             refreshTestUI()
         }
         .onReceive(controller.$currentSentence) { _ in
@@ -130,6 +134,14 @@ struct TestView: View {
         .onDisappear {
             stopDubPlayback(message: nil)
         }
+        .onAppear {
+            synchronizeHistory(for: controller.currentItem?.id)
+            refreshTestUI()
+        }
+        .onChange(of: historyManager.historyVersion) { _ in
+            synchronizeHistory(for: controller.currentItem?.id, forceLocalReload: true)
+            refreshTestUI()
+        }
         .sheet(isPresented: $showShareSheet) {
             if let url = shareURL {
                 ActivityShareSheet(items: [url])
@@ -290,14 +302,24 @@ struct TestView: View {
             try? FileManager.default.removeItem(at: rawURL)
             return
         }
-        if let oldURL = dubSegments[sentence.index] {
-            try? FileManager.default.removeItem(at: oldURL)
+        var audioURL = url
+        var rawPersistedURL = rawURL
+        if let item = controller.currentItem {
+            do {
+                let persisted = try historyManager.store.saveSegment(
+                    videoHash: item.id,
+                    sentenceIndex: sentence.index,
+                    audioURL: url,
+                    rawURL: rawURL
+                )
+                audioURL = persisted.audioURL
+                rawPersistedURL = persisted.rawURL
+            } catch {
+                testStatus = "录音已评测，但本地历史保存失败：\(error.localizedDescription)"
+            }
         }
-        if let oldRawURL = dubRawSegments[sentence.index] {
-            try? FileManager.default.removeItem(at: oldRawURL)
-        }
-        dubSegments[sentence.index] = url
-        dubRawSegments[sentence.index] = rawURL
+        dubSegments[sentence.index] = audioURL
+        dubRawSegments[sentence.index] = rawPersistedURL
         mergedDubURL = nil
         submitAssessment(recordingURL: url)
     }
@@ -337,6 +359,8 @@ struct TestView: View {
         Task {
             do {
                 let result = try await ImitationAssessor.assess(request: request)
+                latestScores[sentence.index] = result
+                historyManager.store.saveScores(videoHash: item.id, scores: latestScores)
                 applyAssessmentResult(result)
             } catch {
                 testStatus = "评测失败：\(error.localizedDescription)"
@@ -391,14 +415,159 @@ struct TestView: View {
             testStatus = "请先在训练模块选择一个云端课程"
             return
         }
-        let currentRecording = dubSegments[sentence.index]
-        let segmentLabel = currentRecording == nil ? "" : " · 本句已录音，重录将覆盖"
-        testStatus = "评测对象：第 \(sentence.index + 1) 句（共 \(item.sentences.count) 句）\(segmentLabel)"
-        if mergedDubURL == nil {
+        if let score = latestScores[sentence.index] {
+            applyAssessmentResult(score)
+        } else {
+            let currentRecording = dubSegments[sentence.index]
+            let segmentLabel = currentRecording == nil ? "" : " · 本句已录音，重录将覆盖"
+            testStatus = "评测对象：第 \(sentence.index + 1) 句（共 \(item.sentences.count) 句）\(segmentLabel)"
+            scoreSummary = "尚未评测"
+            scoreDetail = ""
+        }
+        if mergedDubURL == nil && !dubbingPlayback && !isGeneratingDub {
             dubbingStatus = dubSegments.isEmpty ? "配音：请先录音" : "配音：已保存 \(dubSegments.count) 句，可生成配音"
         }
     }
 
+    // MARK: - 历史记录
+
+    private func synchronizeHistory(for videoHash: String?, forceLocalReload: Bool = false) {
+        guard let videoHash else {
+            loadedCourseHash = nil
+            dubSegments = [:]
+            dubRawSegments = [:]
+            latestScores = [:]
+            return
+        }
+        let normalizedHash = historyManager.store.normalizedVideoHash(videoHash)
+        guard loadedCourseHash != normalizedHash || forceLocalReload else { return }
+
+        loadedCourseHash = normalizedHash
+        remoteHistoryGeneration += 1
+        let generation = remoteHistoryGeneration
+        let snapshot = historyManager.store.load(videoHash: videoHash)
+        dubSegments = snapshot.audioSegments
+        dubRawSegments = snapshot.rawSegments
+        for (index, audioURL) in snapshot.audioSegments where dubRawSegments[index] == nil {
+            dubRawSegments[index] = audioURL
+        }
+        latestScores = snapshot.scores
+        mergedDubURL = nil
+        if snapshot.audioSegments.isEmpty && snapshot.scores.isEmpty {
+            dubbingStatus = "正在同步历史配音…"
+        } else {
+            dubbingStatus = "已加载历史配音 \(snapshot.audioSegments.count) 句、评分 \(snapshot.scores.count) 句"
+        }
+
+        Task {
+            await restoreRemoteHistory(videoHash: videoHash, generation: generation)
+        }
+    }
+
+    private func restoreRemoteHistory(videoHash: String, generation: Int) async {
+        let token = AppConfig.authToken
+        guard !token.isEmpty else { return }
+        let normalizedHash = historyManager.store.normalizedVideoHash(videoHash)
+
+        do {
+            let rows = try await UserHistoryAPI.results(token: token)
+            guard remoteHistoryGeneration == generation,
+                  loadedCourseHash == normalizedHash else { return }
+            var latest = [Int: UserResultSummary]()
+            rows.filter { historyManager.store.normalizedVideoHash($0.videoHash) == normalizedHash }
+                .sorted { $0.createdAt < $1.createdAt }
+                .forEach { latest[$0.sentenceIndex] = $0 }
+
+            var addedScores = 0
+            for (index, row) in latest where latestScores[index] == nil {
+                if let score = decodedScore(payload: [
+                    "overall_score": row.overallScore,
+                    "passed": row.passed,
+                    "reference_text": row.sentenceText,
+                    "feedback": "来自历史测试记录",
+                ]) {
+                    latestScores[index] = score
+                    addedScores += 1
+                }
+            }
+            if addedScores > 0 {
+                historyManager.store.saveScores(videoHash: videoHash, scores: latestScores)
+                dubbingStatus = "已同步历史评分 \(latestScores.count) 句"
+                refreshTestUI()
+            }
+        } catch {
+            if remoteHistoryGeneration == generation, latestScores.isEmpty {
+                dubbingStatus = "历史评分同步失败：\(error.localizedDescription)"
+            }
+        }
+
+        guard dubSegments.isEmpty else { return }
+        do {
+            let shares = try await UserHistoryAPI.dubShares(token: token)
+            guard remoteHistoryGeneration == generation,
+                  loadedCourseHash == normalizedHash else { return }
+            guard let share = shares
+                .filter({ historyManager.store.normalizedVideoHash($0.videoHash) == normalizedHash })
+                .max(by: { $0.createdAt < $1.createdAt }) else {
+                if dubSegments.isEmpty && latestScores.isEmpty {
+                    dubbingStatus = "暂无可用的历史配音音频"
+                }
+                return
+            }
+
+            let detail = try await UserHistoryAPI.dubShareDetail(token: token, shareId: share.shareId)
+            var restored = [Int: URL]()
+            for segment in detail.segments {
+                guard remoteHistoryGeneration == generation else { return }
+                let filename = segment.audioURL.split(separator: "/").last.map(String.init) ?? ""
+                guard !filename.isEmpty else { continue }
+                let destination = historyManager.store.audioDestination(
+                    videoHash: videoHash,
+                    sentenceIndex: segment.index
+                )
+                try await UserHistoryAPI.downloadAudio(
+                    token: token,
+                    audioPath: "api/v1/dub-shares/\(share.shareId)/audio/\(filename)",
+                    destination: destination
+                )
+                restored[segment.index] = destination
+                var payload: [String: Any] = [
+                    "overall_score": segment.overallScore,
+                    "feedback": "来自历史配音分享",
+                ]
+                if !segment.recognizedText.isEmpty {
+                    payload["recognized_text"] = segment.recognizedText
+                }
+                segment.scoreDetails.forEach { payload[$0.key] = $0.value }
+                if let score = decodedScore(payload: payload), latestScores[segment.index] == nil {
+                    latestScores[segment.index] = score
+                }
+            }
+
+            guard remoteHistoryGeneration == generation,
+                  loadedCourseHash == normalizedHash else { return }
+            for (index, audioURL) in restored where dubSegments[index] == nil {
+                dubSegments[index] = audioURL
+                dubRawSegments[index] = audioURL
+            }
+            historyManager.store.saveScores(videoHash: videoHash, scores: latestScores)
+            if !restored.isEmpty {
+                dubbingStatus = "已从云端恢复配音 \(restored.count) 句"
+            } else if dubSegments.isEmpty && latestScores.isEmpty {
+                dubbingStatus = "暂无可用的历史配音音频"
+            }
+            refreshTestUI()
+        } catch {
+            guard remoteHistoryGeneration == generation, dubSegments.isEmpty else { return }
+            dubbingStatus = "历史配音同步失败：\(error.localizedDescription)"
+        }
+    }
+
+    private func decodedScore(payload: [String: Any]) -> ImitationAssessmentResult? {
+        guard let data = try? JSONSerialization.data(withJSONObject: payload) else { return nil }
+        return try? JSONDecoder().decode(ImitationAssessmentResult.self, from: data)
+    }
+
     // MARK: - 配音
 
     private func toggleDubPlayback() {