错误返回翻译优化

app/Services/ApiResponseService.php

@@ -41,25 +41,29 @@ final class ApiResponseService
 
     /**
      * 系统错误响应
-     *
-     * @param string $message
+     * @param string|null $message
      * @param int         $statusCode
      * @return JsonResponse
      */
-    public function systemError(string $message = '系统错误', int $statusCode = 200): JsonResponse
+    public function systemError(string $message = null, int $statusCode = 500): JsonResponse
     {
+        if (is_null($message)) {
+            $message = __('exception.exception_handler.system');
+        }
         return $this->error($message, 500, $statusCode);
     }
 
     /**
      * 未授权响应
-     *
-     * @param string $message
+     * @param string|null $message
      * @param int         $statusCode
      * @return JsonResponse
      */
-    public function unauthorized(string $message = '请先登录', int $statusCode = 200): JsonResponse
+    public function unauthorized(string $message = null, int $statusCode = 200): JsonResponse
     {
+        if (is_null($message)) {
+            $message = __('exception.exception_handler.login');
+        }
         return $this->error($message, 401, $statusCode);
     }