bugfix

src/views/baseManagement/bannerManagement/modal/ItemModal.vue

@@ -154,8 +154,13 @@ export default {
     },
 
     checkUrl(value) {
+      /* 如果没有填，则不校验数据有效性 */
+      if (!value) {
+        return true;
+      }
+
       const pattern = /http[s]{0,1}:\/\/([\w.]+\/?)\S*/;
-      if (pattern.test(value)) {
+      if (value && pattern.test(value)) {
         return true;
       }