diff --git a/push/getui.go b/push/getui.go
index 300e30a..cc6e2a1 100644
--- a/push/getui.go
+++ b/push/getui.go
@@ -154,7 +154,12 @@ func (g *Getui) Push(req *GetuiMessage) (*GetuiPushRsp, error) {
 			},
 		},
 	}
-	reqBody, _ := json.Marshal(params)
+	reqBody, err := json.Marshal(params)
+	if err != nil {
+		log.Errorf("json.Marshal error :%s", err.Error())
+		return nil, err
+	}
+
 	rspBody, err := util.HttpPostJson(reqUrl, map[string]string{"token": g.Token()}, reqBody)
 	if err != nil {
 		log.Errorf("goutil http post error :%s", err.Error())