fix

components/tab/index.wxss

@@ -3,7 +3,6 @@
     display: flex;
     position: sticky;
     top: 0;
-    z-index: 999;
     background: #ffffff;
 }
 .tab-header .tab-item{

src/pages/websiteindex/onlineclassroomindex.wxml

@@ -30,7 +30,7 @@
                     <view class="coursecounttext">已更新{{coursesDetail.sub_courses_count}}期</view>
                 </view>
             </view>
-            <!-- <image class="shareicon" bindtap="ShowShareDailog" src="{{imageRoot}}2c/onlineclass/shareicon.png?{{imageVersion}}"></image> -->
+            <image class="shareicon" bindtap="ShowShareDailog" src="{{imageRoot}}2c/onlineclass/shareicon.png?{{imageVersion}}" wx:if="{{coursesDetail.share_switch==1}}"></image>
         </view>
 
         <!-- <view class="phase-count">
@@ -273,18 +273,19 @@
 </view>
 <view class="share-dailog" wx:if="{{shareDailogShow}}">
     <view class="wrap" bindtap="hideShareDailog"></view>
-    <view class="content">
-        <view class="share-box">
+    <view class="content {{shareDailogShow?'comment-show':'comment-hide'}}">
+        <!-- <view class="share-box" bindtap="generateNewPoster">
             <view class="img">
                 <image class="" src="{{imageRoot}}2c/websiteindex/share-poster.png"  />
             </view>
             <view class="text">生成海报</view>
-        </view>
-        <view class="share-box">
+        </view> -->
+        <view class="share-box" bindtap="hideShareDailog">
             <view class="img">
                 <image class="" src="{{imageRoot}}2c/websiteindex/share-weixin.png"  />
             </view>
             <view class="text">转发给好友</view>
+            <button open-type="share"></button>
         </view>  
     </view>
 </view>

src/pages/websiteindex/onlineclassroomindex.wxss

@@ -748,12 +748,21 @@
     height: 114rpx;
     flex: 1;
     text-align: center;
+    position: relative;
 }
 .share-dailog .content .share-box image{
     width: 114rpx;
     height: 114rpx;
     margin-bottom: 40rpx;
 }
+.share-dailog .content .share-box button{
+    width: 100%;
+    height: 100%;
+    position: absolute;
+    left: 0;
+    top: 0;
+    opacity: 0;
+}
 .footer-box{
     width: 100%;
     position: fixed;

src/pages/websiteindex/onlineclassroomplay.wxss

@@ -172,10 +172,9 @@
     width: 114rpx;
     height: 114rpx;
     display: block;
-    margin-top: -10rpx;
     position: absolute;
     top: 50%;
-    right: 0;
+    right: 24rpx;
     transform: translateY(-50%);
 }
 .divideline {