diff --git a/src/server/engine/notify.go b/src/server/engine/notify.go
index 44d35271ff861b791e00f224fc8653e0e5492a2d..61bc4bc68e22202f5b5dd51dcf696dec39357d1a 100644
--- a/src/server/engine/notify.go
+++ b/src/server/engine/notify.go
@@ -180,7 +180,7 @@ func DoGlobalCallback(event *models.AlertCurEvent) {
 	var resp *http.Response
 	resp, err = client.Do(req)
 	if err != nil {
-		logger.Warning("DoGlobalCallback failed to call url", err)
+		logger.Warning("DoGlobalCallback failed to call url, error: ", err)
 		return
 	}