优化后端鉴权与日志安全

apps/backend/src/utils/http.ts

@@ -29,13 +29,16 @@ export function buildSuccessPayload(data: unknown, msg: string = "ok") {
 
 export function buildErrorPayload(error: unknown, fallbackMessage: string) {
   const classification = classifyRouteError(error);
+  const message = classification.statusCode >= 500
+    ? fallbackMessage || "服务内部错误"
+    : error instanceof Error ? error.message : fallbackMessage;
 
   return {
     code: 1,
-    msg: error instanceof Error ? error.message : fallbackMessage,
+    msg: message,
     errorCode: classification.errorCode,
     time: Math.floor(Date.now() / 1000),
-    data: null,
+    data: null as null,
   };
 }
 
@@ -62,7 +65,7 @@ export function buildNotFoundPayload(req: Request) {
     code: 1,
     msg: `未实现接口: ${req.method} ${req.originalUrl}`,
     time: Math.floor(Date.now() / 1000),
-    data: null,
+    data: null as null,
   };
 }