修复问题

Zhibo/zhibo-h/crmeb-admin/src/main/resources/application-dev.yml

@@ -29,6 +29,16 @@ spring:
     url: jdbc:mysql://1.15.149.240:3306/zhibo?characterEncoding=utf-8&useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=GMT%2B8
     username: zhibo
     password: zCETFpGMwYN3CNeH
+  # JPA 配置 - 只新增字段，不删除已有字段
+  jpa:
+    hibernate:
+      ddl-auto: update  # update: 只新增表/字段，不删除
+    show-sql: false
+    open-in-view: false
+    properties:
+      hibernate:
+        dialect: org.hibernate.dialect.MySQL5InnoDBDialect
+        physical_naming_strategy: org.springframework.boot.orm.jpa.hibernate.SpringPhysicalNamingStrategy
   redis:
     host: 127.0.0.1 #地址
     port: 6379 #端口

Zhibo/zhibo-h/crmeb-common/pom.xml

@@ -79,6 +79,12 @@
             <artifactId>mybatis-plus-boot-starter</artifactId>
         </dependency>
 
+        <!-- JPA 自动建表 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+
         <!-- 模板引擎 mybatis code generator时需要使用-->
         <dependency>
             <groupId>org.springframework.boot</groupId>

Zhibo/zhibo-h/crmeb-common/src/main/java/com/zbkj/common/model/chat/Conversation.java

@@ -9,16 +9,20 @@ import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.experimental.Accessors;
 
+import javax.persistence.*;
 import java.io.Serializable;
 import java.util.Date;
 
 /**
  * 私聊会话实体类
+ * 同时支持 MyBatis-Plus 和 JPA
  */
 @Data
 @EqualsAndHashCode(callSuper = false)
 @Accessors(chain = true)
 @TableName("eb_conversation")
+@Entity
+@Table(name = "eb_conversation")
 @ApiModel(value = "Conversation对象", description = "私聊会话")
 public class Conversation implements Serializable {
 
@@ -26,41 +30,55 @@ public class Conversation implements Serializable {
 
     @ApiModelProperty(value = "会话ID")
     @TableId(value = "id", type = IdType.AUTO)
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
     @ApiModelProperty(value = "用户1的ID")
+    @Column(name = "user1_id", nullable = false)
     private Integer user1Id;
 
     @ApiModelProperty(value = "用户2的ID")
+    @Column(name = "user2_id", nullable = false)
     private Integer user2Id;
 
     @ApiModelProperty(value = "最后一条消息内容")
+    @Column(name = "last_message", length = 500)
     private String lastMessage;
 
     @ApiModelProperty(value = "最后一条消息时间")
+    @Column(name = "last_message_time")
     private Date lastMessageTime;
 
     @ApiModelProperty(value = "用户1的未读数量")
+    @Column(name = "user1_unread_count", columnDefinition = "INT DEFAULT 0")
     private Integer user1UnreadCount;
 
     @ApiModelProperty(value = "用户2的未读数量")
+    @Column(name = "user2_unread_count", columnDefinition = "INT DEFAULT 0")
     private Integer user2UnreadCount;
 
     @ApiModelProperty(value = "用户1是否删除会话")
+    @Column(name = "user1_deleted", columnDefinition = "TINYINT(1) DEFAULT 0")
     private Boolean user1Deleted;
 
     @ApiModelProperty(value = "用户2是否删除会话")
+    @Column(name = "user2_deleted", columnDefinition = "TINYINT(1) DEFAULT 0")
     private Boolean user2Deleted;
 
     @ApiModelProperty(value = "用户1是否静音")
+    @Column(name = "user1_muted", columnDefinition = "TINYINT(1) DEFAULT 0")
     private Boolean user1Muted;
 
     @ApiModelProperty(value = "用户2是否静音")
+    @Column(name = "user2_muted", columnDefinition = "TINYINT(1) DEFAULT 0")
     private Boolean user2Muted;
 
     @ApiModelProperty(value = "创建时间")
+    @Column(name = "create_time")
     private Date createTime;
 
     @ApiModelProperty(value = "更新时间")
+    @Column(name = "update_time")
     private Date updateTime;
 }

Zhibo/zhibo-h/crmeb-common/src/main/java/com/zbkj/common/model/chat/PrivateMessage.java

@@ -9,16 +9,25 @@ import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.experimental.Accessors;
 
+import javax.persistence.*;
 import java.io.Serializable;
 import java.util.Date;
 
 /**
  * 私信消息实体类
+ * 同时支持 MyBatis-Plus 和 JPA
  */
 @Data
 @EqualsAndHashCode(callSuper = false)
 @Accessors(chain = true)
 @TableName("eb_private_message")
+@Entity
+@Table(name = "eb_private_message", indexes = {
+    @Index(name = "idx_conversation_id", columnList = "conversation_id"),
+    @Index(name = "idx_sender_id", columnList = "sender_id"),
+    @Index(name = "idx_receiver_id", columnList = "receiver_id"),
+    @Index(name = "idx_create_time", columnList = "create_time")
+})
 @ApiModel(value = "PrivateMessage对象", description = "私信消息")
 public class PrivateMessage implements Serializable {
 
@@ -26,35 +35,47 @@ public class PrivateMessage implements Serializable {
 
     @ApiModelProperty(value = "消息ID")
     @TableId(value = "id", type = IdType.AUTO)
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
     private Long id;
 
     @ApiModelProperty(value = "会话ID")
+    @Column(name = "conversation_id", nullable = false)
     private Long conversationId;
 
     @ApiModelProperty(value = "发送者用户ID")
+    @Column(name = "sender_id", nullable = false)
     private Integer senderId;
 
     @ApiModelProperty(value = "接收者用户ID")
+    @Column(name = "receiver_id", nullable = false)
     private Integer receiverId;
 
     @ApiModelProperty(value = "消息内容")
+    @Column(name = "content", columnDefinition = "TEXT")
     private String content;
 
     @ApiModelProperty(value = "消息类型: text, image, file")
+    @Column(name = "message_type", length = 20, columnDefinition = "VARCHAR(20) DEFAULT 'text'")
     private String messageType;
 
     @ApiModelProperty(value = "消息状态: sending, sent, read")
+    @Column(name = "status", length = 20, columnDefinition = "VARCHAR(20) DEFAULT 'sent'")
     private String status;
 
     @ApiModelProperty(value = "是否已删除（发送者）")
+    @Column(name = "sender_deleted", columnDefinition = "TINYINT(1) DEFAULT 0")
     private Boolean senderDeleted;
 
     @ApiModelProperty(value = "是否已删除（接收者）")
+    @Column(name = "receiver_deleted", columnDefinition = "TINYINT(1) DEFAULT 0")
     private Boolean receiverDeleted;
 
     @ApiModelProperty(value = "创建时间")
+    @Column(name = "create_time")
     private Date createTime;
 
     @ApiModelProperty(value = "已读时间")
+    @Column(name = "read_time")
     private Date readTime;
 }

Zhibo/zhibo-h/crmeb-common/src/main/java/com/zbkj/common/model/coupon/StoreCoupon.java

@@ -39,6 +39,7 @@ public class StoreCoupon implements Serializable {
     @TableId(value = "id", type = IdType.AUTO)
     private Integer id;
 
+
     @ApiModelProperty(value = "优惠券名称")
     private String name;
 

Zhibo/zhibo-h/crmeb-front/src/main/java/com/zbkj/front/CrmebFrontApplication.java

@@ -4,8 +4,10 @@ import org.mybatis.spring.annotation.MapperScan;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
 import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
+import org.springframework.boot.autoconfigure.domain.EntityScan;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
 import org.springframework.scheduling.annotation.EnableAsync;
 import org.springframework.scheduling.annotation.EnableScheduling;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
@@ -31,6 +33,8 @@ import springfox.documentation.swagger2.annotations.EnableSwagger2;
 @SpringBootApplication(exclude = DataSourceAutoConfiguration.class) //去掉数据源
 @ComponentScan(basePackages = {"com.zbkj", "com.zbkj.front"})
 @MapperScan(basePackages = {"com.zbkj.**.dao"})
+@EntityScan(basePackages = {"com.zbkj.common.model"}) // JPA实体扫描
+@EnableJpaRepositories(basePackages = {"com.zbkj.service.repository"}) // JPA仓库扫描（可选）
 public class CrmebFrontApplication {
     public static void main(String[] args) {
         SpringApplication.run(CrmebFrontApplication.class, args);

Zhibo/zhibo-h/crmeb-front/src/main/resources/application.yml

@@ -51,6 +51,19 @@ spring:
     url: jdbc:mysql://1.15.149.240:3306/zhibo?characterEncoding=utf-8&useSSL=false&allowPublicKeyRetrieval=true&serverTimezone=GMT%2B8
     username: zhibo
     password: zCETFpGMwYN3CNeH
+  # JPA 配置 - 只新增字段，不删除已有字段
+  jpa:
+    hibernate:
+      ddl-auto: update  # update: 只新增表/字段，不删除；none: 不做任何操作
+    show-sql: false     # 生产环境建议关闭
+    open-in-view: false # 关闭懒加载视图
+    properties:
+      hibernate:
+        format_sql: true
+        dialect: org.hibernate.dialect.MySQL5InnoDBDialect
+        # 命名策略：将驼峰转为下划线
+        physical_naming_strategy: org.springframework.boot.orm.jpa.hibernate.SpringPhysicalNamingStrategy
+        implicit_naming_strategy: org.springframework.boot.orm.jpa.hibernate.SpringImplicitNamingStrategy
   redis:
     host: 127.0.0.1 #地址
     port: 6379 #端口

Zhibo/zhibo-h/pom.xml

@@ -100,6 +100,13 @@
             <version>3.3.1</version>
         </dependency>
 
+        <!-- JPA 自动建表 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+            <version>2.2.6.RELEASE</version>
+        </dependency>
+
         <!--generator-->
         <dependency>
             <groupId>com.baomidou</groupId>

android-app/app/src/main/java/com/example/livestreaming/ConversationActivity.java

@@ -45,6 +45,7 @@ public class ConversationActivity extends AppCompatActivity {
     private static final String EXTRA_CONVERSATION_TITLE = "extra_conversation_title";
     private static final String EXTRA_UNREAD_COUNT = "extra_unread_count";
     private static final int PAGE_SIZE = 20;
+    private static final long POLL_INTERVAL = 3000; // 3秒轮询一次
 
     private ActivityConversationBinding binding;
     private final OkHttpClient httpClient = new OkHttpClient();
@@ -52,6 +53,8 @@ public class ConversationActivity extends AppCompatActivity {
     private ConversationMessagesAdapter adapter;
     private final List<ChatMessage> messages = new ArrayList<>();
     private Handler handler;
+    private Runnable pollRunnable;
+    private boolean isPolling = false;
 
     private String conversationId;
     private int currentPage = 1;
@@ -78,7 +81,15 @@ public class ConversationActivity extends AppCompatActivity {
         
         conversationId = getIntent() != null ? getIntent().getStringExtra(EXTRA_CONVERSATION_ID) : null;
         initialUnreadCount = getIntent() != null ? getIntent().getIntExtra(EXTRA_UNREAD_COUNT, 0) : 0;
+        
+        // 先尝试从 AuthStore 获取 userId
         currentUserId = AuthStore.getUserId(this);
+        Log.d(TAG, "从AuthStore获取的用户ID: " + currentUserId);
+        
+        // 如果 userId 为空，尝试从用户信息接口获取
+        if (currentUserId == null || currentUserId.isEmpty()) {
+            fetchCurrentUserId();
+        }
 
         binding.backButton.setOnClickListener(new DebounceClickListener() {
             @Override
@@ -99,6 +110,42 @@ public class ConversationActivity extends AppCompatActivity {
     @Override
     protected void onPause() {
         super.onPause();
+        stopPolling();
+    }
+    
+    @Override
+    protected void onResume() {
+        super.onResume();
+        startPolling();
+    }
+    
+    /**
+     * 开始轮询新消息
+     */
+    private void startPolling() {
+        if (isPolling) return;
+        isPolling = true;
+        
+        pollRunnable = new Runnable() {
+            @Override
+            public void run() {
+                if (!isPolling || isFinishing() || isDestroyed()) return;
+                loadMessagesFromServer();
+                handler.postDelayed(this, POLL_INTERVAL);
+            }
+        };
+        // 延迟开始轮询，避免和初始加载冲突
+        handler.postDelayed(pollRunnable, POLL_INTERVAL);
+    }
+    
+    /**
+     * 停止轮询
+     */
+    private void stopPolling() {
+        isPolling = false;
+        if (pollRunnable != null && handler != null) {
+            handler.removeCallbacks(pollRunnable);
+        }
     }
 
     private void setupMessages() {
@@ -116,6 +163,58 @@ public class ConversationActivity extends AppCompatActivity {
     }
 
 
+    /**
+     * 从服务器获取当前用户ID
+     */
+    private void fetchCurrentUserId() {
+        String token = AuthStore.getToken(this);
+        if (token == null) {
+            Log.w(TAG, "未登录，无法获取用户ID");
+            return;
+        }
+
+        String url = ApiConfig.getBaseUrl() + "/api/front/user/info";
+        Log.d(TAG, "获取用户信息: " + url);
+
+        Request request = new Request.Builder()
+                .url(url)
+                .addHeader("Authori-zation", token)
+                .get()
+                .build();
+
+        httpClient.newCall(request).enqueue(new Callback() {
+            @Override
+            public void onFailure(Call call, IOException e) {
+                Log.e(TAG, "获取用户信息失败", e);
+            }
+
+            @Override
+            public void onResponse(Call call, Response response) throws IOException {
+                String body = response.body() != null ? response.body().string() : "";
+                Log.d(TAG, "用户信息响应: " + body);
+                try {
+                    JSONObject json = new JSONObject(body);
+                    if (json.optInt("code", -1) == 200) {
+                        JSONObject data = json.optJSONObject("data");
+                        if (data != null) {
+                            int uid = data.optInt("uid", 0);
+                            if (uid > 0) {
+                                currentUserId = String.valueOf(uid);
+                                // 保存到 AuthStore
+                                AuthStore.setUserInfo(ConversationActivity.this, currentUserId, data.optString("nickname", ""));
+                                Log.d(TAG, "从服务器获取到用户ID: " + currentUserId);
+                                // 重新加载消息以正确显示
+                                runOnUiThread(() -> loadMessagesFromServer());
+                            }
+                        }
+                    }
+                } catch (Exception e) {
+                    Log.e(TAG, "解析用户信息失败", e);
+                }
+            }
+        });
+    }
+
     /**
      * 从服务器加载消息列表
      */
@@ -182,7 +281,7 @@ public class ConversationActivity extends AppCompatActivity {
     private ChatMessage parseChatMessage(JSONObject item) {
         try {
             String messageId = item.optString("messageId", "");
-            int userId = item.optInt("userId", 0);
+            int senderId = item.optInt("userId", 0);  // 后端返回的 userId 实际是 senderId
             String username = item.optString("username", "未知用户");
             String message = item.optString("message", "");
             long timestamp = item.optLong("timestamp", System.currentTimeMillis());
@@ -191,7 +290,20 @@ public class ConversationActivity extends AppCompatActivity {
             boolean isSystem = item.optBoolean("isSystemMessage", false);
 
             // 判断是否是自己发送的消息
-            boolean isMine = currentUserId != null && currentUserId.equals(String.valueOf(userId));
+            // 每次都重新从 AuthStore 获取最新的 userId，确保登录后能正确获取
+            String myUserId = AuthStore.getUserId(this);
+            if (myUserId == null || myUserId.isEmpty()) {
+                myUserId = currentUserId;
+            } else {
+                currentUserId = myUserId;  // 同步更新
+            }
+            
+            boolean isMine = false;
+            if (myUserId != null && !myUserId.isEmpty() && senderId > 0) {
+                isMine = myUserId.equals(String.valueOf(senderId));
+            }
+            Log.d(TAG, "消息判断: myUserId=" + myUserId + ", senderId=" + senderId + ", isMine=" + isMine);
+            
             String displayName = isMine ? "我" : username;
 
             ChatMessage.MessageStatus msgStatus;
@@ -457,6 +569,7 @@ public class ConversationActivity extends AppCompatActivity {
     @Override
     protected void onDestroy() {
         super.onDestroy();
+        stopPolling();
         handler = null;
     }
 }

android-app/app/src/main/java/com/example/livestreaming/ConversationMessagesAdapter.java

@@ -300,17 +300,17 @@ public class ConversationMessagesAdapter extends ListAdapter<ChatMessage, Recycl
                 switch (message.getStatus()) {
                     case SENDING:
                         statusIcon.setImageResource(R.drawable.ic_clock_24);
-                        statusIcon.setColorFilter(itemView.getContext().getColor(android.R.color.darker_gray));
+                        statusIcon.setColorFilter(android.graphics.Color.GRAY, android.graphics.PorterDuff.Mode.SRC_IN);
                         statusIcon.setVisibility(View.VISIBLE);
                         break;
                     case SENT:
                         statusIcon.setImageResource(R.drawable.ic_check_24);
-                        statusIcon.setColorFilter(itemView.getContext().getColor(android.R.color.darker_gray));
+                        statusIcon.setColorFilter(android.graphics.Color.GRAY, android.graphics.PorterDuff.Mode.SRC_IN);
                         statusIcon.setVisibility(View.VISIBLE);
                         break;
                     case READ:
                         statusIcon.setImageResource(R.drawable.ic_check_double_24);
-                        statusIcon.setColorFilter(0xFF4CAF50);
+                        statusIcon.setColorFilter(android.graphics.Color.parseColor("#4CAF50"), android.graphics.PorterDuff.Mode.SRC_IN);
                         statusIcon.setVisibility(View.VISIBLE);
                         break;
                     default:

android-app/app/src/main/java/com/example/livestreaming/LoginActivity.java

@@ -100,23 +100,7 @@ public class LoginActivity extends AppCompatActivity {
         binding.loginButton.setEnabled(false);
         binding.loadingProgress.setVisibility(View.VISIBLE);
 
-        // ============================================
+        // 调用后端登录接口
-        // 测试模式：直接使用演示模式登录，跳过网络请求
-        // 当后端接口接入后，可以删除此代码，恢复下面的网络请求
-        // ============================================
-        // 模拟网络请求延迟（让用户看到加载状态）
-        binding.getRoot().postDelayed(() -> {
-            handleDemoModeLogin(account);
-        }, 500); // 延迟500ms，模拟网络请求
-        
-        // 以下代码在测试模式下被注释，接入后端后可以恢复
-        /*
-        // TODO: 接入后端接口 - 用户登录
-        // 接口路径: POST /api/front/login（ApiService中已定义）
-        // 请求参数: LoginRequest {account: string, password: string}
-        // 返回数据格式: ApiResponse<LoginResponse>
-        // LoginResponse对象应包含: token, userId, nickname, avatarUrl等字段
-        // 登录成功后，保存token到AuthStore，并更新用户信息到本地SharedPreferences
         ApiClient.getService(getApplicationContext()).login(new LoginRequest(account, password))
                 .enqueue(new Callback<ApiResponse<LoginResponse>>() {
                     @Override
@@ -128,15 +112,8 @@ public class LoginActivity extends AppCompatActivity {
                         ApiResponse<LoginResponse> body = response.body();
                         LoginResponse loginData = body != null ? body.getData() : null;
 
-                        // 如果响应不成功或数据无效，检查是否是后端未接入的情况
+                        // 如果响应不成功或数据无效
                         if (!response.isSuccessful() || body == null || !body.isOk() || loginData == null) {
-                            // 如果是404、500等错误，可能是后端未接入，使用演示模式
-                            if (!response.isSuccessful() && (response.code() == 404 || response.code() == 500 || response.code() == 502 || response.code() == 503)) {
-                                // 后端服务未启动或未接入，使用演示模式
-                                handleDemoModeLogin(account);
-                                return;
-                            }
-                            
                             String errorMsg = "登录失败";
                             if (body != null && !TextUtils.isEmpty(body.getMessage())) {
                                 errorMsg = body.getMessage();
@@ -158,9 +135,10 @@ public class LoginActivity extends AppCompatActivity {
                         }
 
                         // 保存用户信息到 AuthStore
-                        AuthStore.setUserInfo(getApplicationContext(), 
+                        String uid = loginData.getUid();
-                            loginData.getUid(), 
+                        String nickname = loginData.getNikeName();
-                            loginData.getNikeName());
+                        android.util.Log.d("LoginActivity", "登录返回的 uid: " + uid + ", nickname: " + nickname);
+                        AuthStore.setUserInfo(getApplicationContext(), uid, nickname);
 
                         // 保存用户信息到本地 SharedPreferences
                         SharedPreferences prefs = getSharedPreferences("profile_prefs", MODE_PRIVATE);
@@ -171,8 +149,7 @@ public class LoginActivity extends AppCompatActivity {
                             prefs.edit().putString("profile_phone", loginData.getPhone()).apply();
                         }
 
-                        // 登录成功，返回上一页（如果是从其他页面跳转过来的）
+                        // 登录成功
-                        // 如果是直接打开登录页面，则跳转到主页面
                         Toast.makeText(LoginActivity.this, "登录成功", Toast.LENGTH_SHORT).show();
                         
                         // 检查是否有上一个Activity
@@ -194,74 +171,14 @@ public class LoginActivity extends AppCompatActivity {
                         binding.loginButton.setEnabled(true);
                         binding.loadingProgress.setVisibility(View.GONE);
 
-                        // 检测是否是网络连接错误（后端未启动）
-                        boolean isNetworkError = false;
                         String errorMsg = "网络错误";
-                        if (t != null) {
+                        if (t != null && t.getMessage() != null) {
-                            String msg = t.getMessage();
+                            errorMsg = "网络错误：" + t.getMessage();
-                            if (msg != null) {
-                                if (msg.contains("Unable to resolve host") || 
-                                    msg.contains("timeout") || 
-                                    msg.contains("Connection refused") ||
-                                    msg.contains("Failed to connect")) {
-                                    isNetworkError = true;
-                                    errorMsg = "无法连接到服务器，已切换到演示模式";
-                                } else {
-                                    errorMsg = "网络错误：" + msg;
                         }
-                            }
-                        }
-
-                        // 如果是网络连接错误（后端未接入），使用演示模式登录
-                        if (isNetworkError) {
-                            handleDemoModeLogin(account);
-                        } else {
                         Toast.makeText(LoginActivity.this, errorMsg, Toast.LENGTH_LONG).show();
                     }
-                    }
                 });
-        */
     }
 
-    /**
-     * 处理演示模式登录（测试模式：直接登录成功）
-     */
-    private void handleDemoModeLogin(String account) {
-        // 恢复UI状态
-        isLoggingIn = false;
-        binding.loginButton.setEnabled(true);
-        binding.loadingProgress.setVisibility(View.GONE);
-        
-        // 测试模式：允许任意账号密码登录（仅用于开发测试）
-        // 生成一个演示token（基于账号）
-        String demoToken = "demo_token_" + account.hashCode();
-        android.util.Log.d("LoginActivity", "演示模式 - 生成 token: " + demoToken);
-        AuthStore.setToken(getApplicationContext(), demoToken);
-        
-        // 保存用户信息到本地
-        SharedPreferences prefs = getSharedPreferences("profile_prefs", MODE_PRIVATE);
-        String displayName = account.length() > 0 ? account : "演示用户";
-        prefs.edit()
-                .putString("profile_name", displayName)
-                .putString("user_id", "demo_user_" + account.hashCode())
-                .apply();
-        
-        // 登录成功提示
-        Toast.makeText(this, "登录成功", Toast.LENGTH_SHORT).show();
-        
-        // 登录成功，返回上一页（如果是从其他页面跳转过来的）
-        // 如果是直接打开登录页面，则跳转到主页面
-        // 检查是否有上一个Activity
-        if (isTaskRoot()) {
-            // 如果没有上一个Activity，跳转到主页面
-            Intent intent = new Intent(this, MainActivity.class);
-            intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP | Intent.FLAG_ACTIVITY_NEW_TASK);
-            startActivity(intent);
-            finish();
-        } else {
-            // 有上一个Activity，直接返回
-            finish();
-        }
-    }
 }
 

android-app/app/src/main/java/com/example/livestreaming/net/AuthStore.java

@@ -51,6 +51,7 @@ public final class AuthStore {
 
     public static void setUserInfo(Context context, @Nullable String userId, @Nullable String nickname) {
         if (context == null) return;
+        Log.d(TAG, "setUserInfo: userId=" + userId + ", nickname=" + nickname);
         context.getSharedPreferences(PREFS, Context.MODE_PRIVATE)
                 .edit()
                 .putString(KEY_USER_ID, userId)
@@ -61,8 +62,14 @@ public final class AuthStore {
     @Nullable
     public static String getUserId(Context context) {
         if (context == null) return null;
-        return context.getSharedPreferences(PREFS, Context.MODE_PRIVATE)
+        String userId = context.getSharedPreferences(PREFS, Context.MODE_PRIVATE)
-                .getString(KEY_USER_ID, "");
+                .getString(KEY_USER_ID, null);
+        // 确保空字符串也返回 null
+        if (userId != null && userId.trim().isEmpty()) {
+            userId = null;
+        }
+        Log.d(TAG, "getUserId: " + userId);
+        return userId;
     }
 
     @Nullable