Update sync_data.sh

sync_data.sh

@@ -25,20 +25,38 @@ restore_from_webdav() {
     
     # 获取WebDAV上所有备份文件列表
     echo "获取 WebDAV 备份文件列表..."
-    BACKUP_LIST=$(curl -s --user "$WEBDAV_USERNAME:$WEBDAV_PASSWORD" "$WEBDAV_URL/" | grep -o 'mcp_backup_[0-9]*_[0-9]*\.tar\.gz' | sort -r)
+    
+    # 获取原始响应
+    RAW_RESPONSE=$(curl -s --user "$WEBDAV_USERNAME:$WEBDAV_PASSWORD" "$WEBDAV_URL/")
+    
+    # 显示调试信息
+    echo "调试: WebDAV 响应长度 $(echo "$RAW_RESPONSE" | wc -c) 字符"
+    echo "调试: 响应前500字符:"
+    echo "$RAW_RESPONSE" | head -c 500
+    echo ""
+    echo "调试: 查找所有包含 'mcp_backup' 的行:"
+    echo "$RAW_RESPONSE" | grep -i mcp_backup || echo "  (未找到包含 mcp_backup 的行)"
+    echo ""
+    
+    # 原始的匹配方式
+    BACKUP_LIST=$(echo "$RAW_RESPONSE" | grep -o 'mcp_backup_[0-9]*_[0-9]*\.tar\.gz' | sort -r)
+    
+    echo "调试: 使用原始正则表达式找到 $(echo "$BACKUP_LIST" | grep -c mcp_backup 2>/dev/null || echo 0) 个文件"
+    if [ -n "$BACKUP_LIST" ]; then
+        echo "找到以下备份文件："
+        echo "$BACKUP_LIST" | head -5 | while read file; do echo "  - $file"; done
+        if [ $(echo "$BACKUP_LIST" | wc -l) -gt 5 ]; then
+            echo "  ... 等共 $(echo "$BACKUP_LIST" | wc -l) 个文件"
+        fi
+    fi
     
     if [ -z "$BACKUP_LIST" ]; then
         echo "未找到任何备份文件"
+        echo "请检查以上调试信息，确认 WebDAV 响应格式"
         rm -rf "$RESTORE_DIR"
         return 1
     fi
     
-    echo "找到以下备份文件："
-    echo "$BACKUP_LIST" | head -5 | while read file; do echo "  - $file"; done
-    if [ $(echo "$BACKUP_LIST" | wc -l) -gt 5 ]; then
-        echo "  ... 等共 $(echo "$BACKUP_LIST" | wc -l) 个文件"
-    fi
-    
     # 尝试下载最新的备份文件
     LATEST_BACKUP=$(echo "$BACKUP_LIST" | head -1)
     echo "尝试下载最新备份: $LATEST_BACKUP"