loading只在第一次加载或者返回刷新时才用

src/views/question-detail.vue

@@ -308,7 +308,7 @@ export default {
       if(isFirst) {
         this.$store.commit("SET_QUESTION_LIST", []);
       }
-      this.showLoading = true;
+      isFirst && (this.showLoading = true);
       this.queryParams.token = this.userInfo.userToken || this.token;
       this.queryParams.setEntry = true;
       this.GET(`portal/titleTest/practise/titles`, this.queryParams).then(({ data }) => {