diff --git a/src/constants/permissions.ts b/src/constants/permissions.ts
index 1574ea3..6ee9ca3 100644
--- a/src/constants/permissions.ts
+++ b/src/constants/permissions.ts
@@ -47,6 +47,23 @@ export const PERMISSIONS = {
     SEARCH: 'system:operlog:search',
     DELETE: 'system:operlog:delete',
   },
+
+  // 文件管理权限
+  FILE: {
+    LIST: 'system:file:list',
+    ADD: 'system:file:add',
+    UPDATE: 'system:file:update',
+    DELETE: 'system:file:delete',
+    UPLOAD: 'system:file:upload',
+  },
+
+  // 图库管理权限
+  PICTURE: {
+    LIST: 'system:picture:list',
+    ADD: 'system:sysPicture:add',
+    UPDATE: 'system:sysPicture:update',
+    DELETE: 'system:sysPicture:delete',
+  },
 } as const
 
 // 权限类型推断
@@ -78,6 +95,23 @@ export const PERMISSION_GROUPS = {
     PERMISSIONS.MENU.DELETE,
   ],
 
+  // 文件管理相关权限
+  FILE_MANAGEMENT: [
+    PERMISSIONS.FILE.LIST,
+    PERMISSIONS.FILE.ADD,
+    PERMISSIONS.FILE.UPDATE,
+    PERMISSIONS.FILE.DELETE,
+    PERMISSIONS.FILE.UPLOAD,
+  ],
+
+  // 图库管理相关权限
+  PICTURE_MANAGEMENT: [
+    PERMISSIONS.PICTURE.LIST,
+    PERMISSIONS.PICTURE.ADD,
+    PERMISSIONS.PICTURE.UPDATE,
+    PERMISSIONS.PICTURE.DELETE,
+  ],
+
   // 系统管理员权限（包含所有权限）
   SYSTEM_ADMIN: [
     ...Object.values(PERMISSIONS.USER),
@@ -85,5 +119,7 @@ export const PERMISSION_GROUPS = {
     ...Object.values(PERMISSIONS.MENU),
     ...Object.values(PERMISSIONS.LOGIN_LOG),
     ...Object.values(PERMISSIONS.OPER_LOG),
+    ...Object.values(PERMISSIONS.FILE),
+    ...Object.values(PERMISSIONS.PICTURE),
   ],
 } as const
diff --git a/src/service/http/alova.ts b/src/service/http/alova.ts
index a05fd44..055379f 100644
--- a/src/service/http/alova.ts
+++ b/src/service/http/alova.ts
@@ -85,12 +85,27 @@ export function createAlovaInstance(
           return handleServiceResult(errorResult, false)
         }
         // 接口请求失败
-        const errorResult = handleResponseError(response)
+        const errorResult = await handleResponseError(response)
         return handleServiceResult(errorResult, false)
       },
-      onError: (error, method) => {
-        const tip = `[${method.type}] - [${method.url}] - ${error.message}`
-        coiMsgWarning(tip)
+      onError: (error, _method) => {
+        // 根据错误类型提供更友好的提示
+        let userMessage = '网络请求失败，请稍后重试'
+
+        if (error.name === 'AbortError') {
+          userMessage = '请求已取消'
+        }
+        else if (error.name === 'TimeoutError') {
+          userMessage = '请求超时，请检查网络连接'
+        }
+        else if (error.message.includes('fetch')) {
+          userMessage = '网络连接失败，请检查网络状态'
+        }
+        else if (error.message.includes('413')) {
+          userMessage = '文件大小超出限制，请选择较小的文件'
+        }
+
+        coiMsgWarning(userMessage)
       },
 
       onComplete: async (_method) => {
diff --git a/src/service/http/config.ts b/src/service/http/config.ts
index c13dd0f..23d7484 100644
--- a/src/service/http/config.ts
+++ b/src/service/http/config.ts
@@ -23,6 +23,7 @@ export const ERROR_STATUS = {
   404: $t('http.404'),
   405: $t('http.405'),
   408: $t('http.408'),
+  413: '文件大小超出限制，请选择较小的文件',
   500: $t('http.500'),
   501: $t('http.501'),
   502: $t('http.502'),
diff --git a/src/service/http/handle.ts b/src/service/http/handle.ts
index f0739f9..420f972 100644
--- a/src/service/http/handle.ts
+++ b/src/service/http/handle.ts
@@ -14,7 +14,7 @@ type ErrorStatus = keyof typeof ERROR_STATUS
  * @param {Response} response
  * @return {*}
  */
-export function handleResponseError(response: Response) {
+export async function handleResponseError(response: Response) {
   const error: Service.RequestError = {
     errorType: 'Response Error',
     code: 0,
@@ -22,7 +22,31 @@ export function handleResponseError(response: Response) {
     data: null,
   }
   const errorCode: ErrorStatus = response.status as ErrorStatus
-  const message = ERROR_STATUS[errorCode] || ERROR_STATUS.default
+  let message = ERROR_STATUS[errorCode] || ERROR_STATUS.default
+
+  // 尝试解析响应体中的具体错误信息
+  try {
+    const responseText = await response.text()
+    if (responseText) {
+      try {
+        const responseData = JSON.parse(responseText)
+        // 如果后端返回了具体的错误信息，优先使用
+        if (responseData && responseData.msg) {
+          message = responseData.msg
+        }
+        else if (responseData && responseData.message) {
+          message = responseData.message
+        }
+      }
+      catch {
+        // 如果不是JSON格式，可能是HTML错误页面，使用预定义消息
+      }
+    }
+  }
+  catch {
+    // 读取错误响应失败，使用默认错误消息
+  }
+
   Object.assign(error, { code: errorCode, message })
 
   showError(error)