修復等級重複問題

src/views/users/GiftManageView.vue

@@ -855,15 +855,12 @@ export default {
         levelList() {
             getGiftLevelList().then(res => {
                 let data = res.data;
-                this.giftLevel = [{
+                this.giftLevel = data.map(e => {
-                    text: '无',
-                    value: ''
-                }].concat(data.map(e => {
                     return {
                         text: e.levelName,
                         value: e.levelValue
                     };
-                }));
+                });
                 buildSelectOption('#giftLevel', '', this.giftLevel);
                 buildSelectOption('#searchLevel', '', this.giftLevel);
             });