更改渲染不出东西

pages/groupPage/group-details/group-details.js

@@ -261,7 +261,7 @@ Page({
       orderId
     })
     //课本详情
-    httpRequestApi.getBookDetail(productId).success( (res) =>{
+    httpRequestApi.getBookDetail(wx.getStorageSync('uid'),productId).success( (res) =>{
       console.log('课本详情',res.data.data);
       const bookInfo = res.data.data.product;
       const lessonList = res.data.data.lessonList;

pages/groupPage/group-details/group-details.wxml

@@ -14,8 +14,8 @@
             </block>                      
         </view>
         <view class="shengyu">
-            <view class="shengyu-num" hidden="{{surplusNum !== '0'}}">仅剩<text>{{surplusNum}}</text>个名额就拼团成功了</view>
-            <view class="shengyu-num" hidden="{{surplusNum === '0'}}">拼团成功</view>
+            <view class="shengyu-num" hidden="{{surplusNum == '0'}}">仅剩<text>{{surplusNum}}</text>个名额就拼团成功了</view>
+            <view class="shengyu-num" hidden="{{surplusNum != '0'}}">拼团成功</view>
             <view class="shengyu-time">
                 剩余时间:
                 <view class="time">