feat：api统一返回格式基类方法success

app/Traits/ResponseTrait.php

@@ -4,10 +4,10 @@ namespace App\Traits;
 
 trait ResponseTrait
 {
-    protected function success($data = [], $message = 'success')
+    protected function success($data = [], $message = 'success', $code = 200)
     {
         return [
-            'code' => 200,
+            'code' => $code,
             'message' => $message,
             'data' => $data,
         ];