diff --git a/packages/server/src/controllers/GroupController.ts b/packages/server/src/controllers/GroupController.ts
index a134b18..3340880 100644
--- a/packages/server/src/controllers/GroupController.ts
+++ b/packages/server/src/controllers/GroupController.ts
@@ -25,13 +25,13 @@ export const getGroupUsers = async (groupId: number, token: string): Promise<Use
   } catch (error: any) {
     if (error.response) {
       // API returned error response
-      throw new Error(`Failed to get user information: ${error.response.status} ${error.response.statusText}`);
+      throw new ApiError(400, `Failed to get user information: ${error.response.status} ${error.response.statusText}`);
     } else if (error.request) {
       // Request was sent but no response received
-      throw new Error("Failed to get user information: timeout or network error");
+      throw new ApiError(400, "Failed to get user information: timeout or network error");
     } else {
       // Other errors
-      throw new Error(`Failed to get user information: ${error.message}`);
+      throw new ApiError(400, `Failed to get user information: ${error.message}`);
     }
   }
 };
diff --git a/packages/server/src/middleware/auth.ts b/packages/server/src/middleware/auth.ts
index 3e3f127..bfbc47e 100644
--- a/packages/server/src/middleware/auth.ts
+++ b/packages/server/src/middleware/auth.ts
@@ -55,20 +55,20 @@ export const getUserInfoByToken = async (token: string): Promise<UserInfo> => {
     );
 
     if (response.data.code !== 200 || !response.data.data) {
-      throw new Error(`Failed to get user information: ${response.data.message}`);
+      throw new Error(response.data.message);
     }
 
     return {...response.data.data, token};
   } catch (error: any) {
     if (error.response) {
       // API returned error response
-      throw new Error(`Failed to get user information: ${error.response.status} ${error.response.statusText}`);
+      throw new ApiError(401, `Failed to get user information: ${error.response.status} ${error.response.statusText}`);
     } else if (error.request) {
       // Request was sent but no response received
-      throw new Error("Failed to get user information: timeout or network error");
+      throw new ApiError(401, "Failed to get user information: timeout or network error");
     } else {
       // Other errors
-      throw new Error(`Failed to get user information: ${error.message}`);
+      throw new ApiError(401, `Failed to get user information: ${error.message}`);
     }
   }
 };