diff --git a/data/sessions/LM6PBrGjZYyCLnNhv-LtxLYUZVCJEGqG.json b/data/sessions/LM6PBrGjZYyCLnNhv-LtxLYUZVCJEGqG.json
new file mode 100644
index 0000000..a6098fc
--- /dev/null
+++ b/data/sessions/LM6PBrGjZYyCLnNhv-LtxLYUZVCJEGqG.json
@@ -0,0 +1 @@
+{"cookie":{"secure":false,"httpOnly":true,"path":"/"},"userId":1,"username":"admin","requiresTwoFactor":false,"__lastAccess":1745499534213}
\ No newline at end of file
diff --git a/docker-compose.yml b/docker-compose.yml
index 0a66d55..d41c350 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -9,27 +9,10 @@ services:
     ports:
       - "3001:3001" # 将容器的 3001 端口映射到宿主机的 3001 端口
     environment:
-      # 这里需要添加后端运行所需的环境变量
-      # 例如：
-      # NODE_ENV: production
-      # PORT: 3001 # 确保容器内端口与 EXPOSE 一致
-      # DATABASE_PATH: /app/data/database.sqlite # 如果使用 SQLite
-      # ENCRYPTION_KEY: your_strong_encryption_key # 需要设置强密钥
-      # SESSION_SECRET: your_strong_session_secret # 需要设置强密钥
-      # JWT_SECRET: your_strong_jwt_secret # 如果使用 JWT
-      # ... 其他后端需要的环境变量
-      # 注意：敏感信息最好通过 .env 文件或 Docker secrets 管理
       NODE_ENV: production
       PORT: 3001
-      # 示例：如果数据库文件在容器内的 /app/data 目录下
-      DATABASE_PATH: /app/data/database.sqlite
-      # !! 请务必替换下面的示例密钥为强随机值 !!
-      ENCRYPTION_KEY: replace_with_strong_random_key_32_bytes
-      SESSION_SECRET: replace_with_strong_random_secret
-      JWT_SECRET: replace_with_strong_random_jwt_secret
+
     volumes:
-      # 如果后端需要持久化数据（例如 SQLite 数据库），则挂载卷
-      # 将宿主机上的 ./data 目录映射到容器内的 /app/data 目录
       - ./data:/app/data # 确保宿主机上的 ./data 目录存在或 Docker 会创建它
     networks:
       - nexus_network # 将服务连接到自定义网络
diff --git a/packages/backend/src/index.ts b/packages/backend/src/index.ts
index 9e95335..a2933d0 100644
--- a/packages/backend/src/index.ts
+++ b/packages/backend/src/index.ts
@@ -143,7 +143,8 @@ const initializeDatabase = async () => {
 const startServer = () => {
     // --- 会话中间件配置 ---
     const FileStore = sessionFileStore(session);
-    const sessionsPath = path.join(__dirname, '..', 'sessions');
+    // 修改路径以匹配 Docker volume 挂载点 /app/data
+    const sessionsPath = path.join('/app/data', 'sessions');
     if (!fs.existsSync(sessionsPath)) {
         fs.mkdirSync(sessionsPath, { recursive: true });
     }
@@ -157,9 +158,12 @@ const startServer = () => {
         secret: process.env.SESSION_SECRET as string,
         resave: false,
         saveUninitialized: false,
+        proxy: true, // 信任反向代理设置的 X-Forwarded-Proto 头
         cookie: {
             httpOnly: true,
-            secure: process.env.NODE_ENV === 'production'
+            // secure: 'auto' in newer versions, relies on proxy: true here
+            // secure: process.env.NODE_ENV === 'production', // Keep original logic, but proxy:true adjusts behavior
+            secure: false, // Temporarily force secure to false for debugging proxy issues
             // maxAge: 默认会话期
         }
     });
diff --git a/packages/backend/src/repositories/terminal-theme.repository.ts b/packages/backend/src/repositories/terminal-theme.repository.ts
index 6126e9a..32f299f 100644
--- a/packages/backend/src/repositories/terminal-theme.repository.ts
+++ b/packages/backend/src/repositories/terminal-theme.repository.ts
@@ -250,15 +250,21 @@ export const deleteTheme = async (id: number): Promise<boolean> => {
  */
 export const initializePresetThemes = async (db: Database, presets: Array<Omit<TerminalTheme, '_id' | 'createdAt' | 'updatedAt' | 'isSystemDefault'> & { name: string }>) => {
     console.log('[DB Init] 开始检查并初始化预设主题...');
+    // 在这里添加日志，显示总共要处理多少个预设主题
+    console.log(`[DB Init] 发现 ${presets.length} 个预设主题定义。`);
     const nowSeconds = Math.floor(Date.now() / 1000); // Use seconds for DB consistency
     // const db = await getDbInstance(); // Use the passed db instance
 
     for (const preset of presets) {
+        // 在循环开始时添加日志，显示正在处理哪个主题
+        console.log(`[DB Init] 正在处理预设主题: "${preset.name}"`);
         try {
             // Check using name and theme_type
             const existing = await getDb<{ id: number }>(db, `SELECT id FROM terminal_themes WHERE name = ? AND theme_type = 'preset'`, [preset.name]);
 
             if (!existing) {
+                // 添加日志，表明正在插入新主题
+                console.log(`[DB Init] 主题 "${preset.name}" 不存在，正在插入...`);
                 // Map preset.themeData to individual columns
                 const theme = preset.themeData;
                 const columns = [
@@ -284,7 +290,8 @@ export const initializePresetThemes = async (db: Database, presets: Array<Omit<T
                 await runDb(db, insertSql, values);
                 console.log(`[DB Init] 预设主题 "${preset.name}" 已初始化到数据库。`);
             } else {
-                // console.log(`[DB Init] 预设主题 "${preset.name}" 已存在，跳过初始化。`);
+                // 取消注释并添加日志，表明主题已存在
+                 console.log(`[DB Init] 预设主题 "${preset.name}" 已存在，跳过初始化。`);
             }
         } catch (err: any) { // Add type annotation for err
              // Remove reference to non-existent preset_key
diff --git a/packages/frontend/nginx.conf b/packages/frontend/nginx.conf
index 8ad3a13..e85b3c2 100644
--- a/packages/frontend/nginx.conf
+++ b/packages/frontend/nginx.conf
@@ -13,8 +13,8 @@ server {
 
     # Proxy API requests to the backend service
     location /api/ {
-        rewrite ^/api(/.*)$ $1 break; # Remove /api prefix before proxying
-        proxy_pass http://backend:3001; # Proxy to backend root
+        # rewrite ^/api(/.*)$ $1 break; # Remove /api prefix before proxying - REMOVED to match backend routes
+        proxy_pass http://backend:3001; # Proxy to backend root, backend expects /api/v1/...
 
         # Standard proxy headers
         proxy_set_header Host $host;
diff --git a/packages/frontend/src/stores/layout.store.ts b/packages/frontend/src/stores/layout.store.ts
index 1f03baf..9c9268b 100644
--- a/packages/frontend/src/stores/layout.store.ts
+++ b/packages/frontend/src/stores/layout.store.ts
@@ -255,6 +255,21 @@ export const useLayoutStore = defineStore('layout', () => {
             sidebarPanes.value = getDefaultSidebarPanes();
         }
     }
+
+    // --- Final Check: Ensure defaults are applied if loading failed or resulted in null ---
+    if (!layoutTree.value) {
+        console.warn('[Layout Store] Layout tree is still null after all loading attempts. Applying default layout.');
+        layoutTree.value = getDefaultLayout();
+        // Optionally save the default to localStorage now?
+        // try { localStorage.setItem(LAYOUT_STORAGE_KEY, JSON.stringify(layoutTree.value)); } catch(e) {}
+    }
+    // Basic check for sidebarPanes structure validity before potentially applying default
+    if (!sidebarPanes.value || !Array.isArray(sidebarPanes.value.left) || !Array.isArray(sidebarPanes.value.right)) {
+         console.warn('[Layout Store] Sidebar panes are null or invalid after all loading attempts. Applying default sidebar panes.');
+         sidebarPanes.value = getDefaultSidebarPanes();
+         // Optionally save the default to localStorage now?
+         // try { localStorage.setItem(SIDEBAR_STORAGE_KEY, JSON.stringify(sidebarPanes.value)); } catch(e) {}
+    }
   }
 
   // --- Helper for debounced persistence ---