diff --git a/controllers/api_controller.go b/controllers/api_controller.go
index 30dd5844b..07b7fd640 100644
--- a/controllers/api_controller.go
+++ b/controllers/api_controller.go
@@ -110,7 +110,7 @@ func (c *ApiController) CallOpenAPI() {
 		err = buildTimestampParamErr()
 		errCode = model.ErrCodeOpenAPIParamErrTimeStamp
 	}
-	if now-timestamp < 5 {
+	if now-timestamp < 500 {
 		err = buildTimestampParamErr()
 		errCode = model.ErrCodeOpenAPIParamErrTimeStamp
 	}