测试包

vue/js/0.js

@@ -1972,8 +1972,9 @@ __webpack_require__.r(__webpack_exports__);
       Object(_api_jiucuo_jiucuo_set__WEBPACK_IMPORTED_MODULE_3__["getClass"])(Object(_lib_util__WEBPACK_IMPORTED_MODULE_2__["getFormData"])({
         grade: val
       })).then(res => {
+        var _this$classList;
         this.classList = res.result;
-        this.classList.forEach(item => {
+        (_this$classList = this.classList) === null || _this$classList === void 0 || _this$classList.forEach(item => {
           this.classIdArr.push(item.class_id);
         });
         if (!this.bookName) {