diff --git a/gin/util/responsed.go b/gin/util/responsed.go
index 9fbb27c..bfe0065 100644
--- a/gin/util/responsed.go
+++ b/gin/util/responsed.go
@@ -27,7 +27,7 @@ func Response(ctx *gin.Context, code interface{}, message string, data interface
 		"message":  message,
 		"data":     data,
 		"trace_id": ctx.GetString("trace_id"),
-		"cost":     time.Since(time.Unix(ctx.GetInt64("start_time"), 0)).Milliseconds(),
+		"cost":     time.Now().UnixMilli() - ctx.GetInt64("start_time"),
 	}
 	ctx.JSON(http.StatusOK, responseData)
 }