diff --git a/src/pages/merchant/components/FastSetting.vue b/src/pages/merchant/components/FastSetting.vue
index 0200d38..65da193 100644
--- a/src/pages/merchant/components/FastSetting.vue
+++ b/src/pages/merchant/components/FastSetting.vue
@@ -26,7 +26,7 @@ const form = reactive({
 const setTime = () => {
     const unit = form.type === 0 ? 'minute' : 'hour';
     form.startTime = dayjs(startTime).add(form.diff, unit).format('YYYY-MM-DD HH:mm');
-    form.endTime = dayjs(startTime).add((form.diff * 2), unit).format('YYYY-MM-DD HH:mm');
+    form.endTime = dayjs(endTime).add((form.diff), unit).format('YYYY-MM-DD HH:mm');
 }
 
 const open = () => {