新建广告结束时间默认为0

src/pages/content-manage/components/DrawerForm.vue

@@ -267,10 +267,10 @@ export default {
         const form = { ...this.form }
         if (valid) {
           if (form.start_time) {
-            form.start_time = this.toUnitTimestamp(form.start_time)
+            form.start_time = this.toUnitTimestamp(form.start_time) || 0
           }
           if (form.hasEndDate === 1) {
-            form.end_time = this.toUnitTimestamp(form.end_time)
+            form.end_time = this.toUnitTimestamp(form.end_time) || 0
           } else {
             delete form.end_time
           }