diff --git a/gin.go b/gin.go
index 4039ea2..94b5b78 100644
--- a/gin.go
+++ b/gin.go
@@ -20,6 +20,5 @@ const (
 	GinResponseRequestIDField  = "request_id"           // 响应的请求ID字段
 	GinRecordResponseDataField = "record_response_data" // 记录响应数据到上下文
 	GinRecordRequestDataField  = "record_request_data"  // 记录请求数据到上下文
+	GinRequestIsSuccessField   = "request_is_success"   // 请求是否成功
 )
-
-const ()