修改ios样式

pages/my/index.wxml

@@ -13,7 +13,7 @@
                     <view class="uRtopleft">
                         <view class="nickName textOver">{{userInfo.user.nickName||'请输入昵称' }}</view>
                         <view class="gradeText textOver" catchtap="clipboar">学号：{{userInfo.user.eid}}</view>
-                        <view class="validity" wx:if="{{isPreferential}}">
+                        <view class="validity" wx:if="{{isPreferential&&!isIos}}">
                             {{vipTime=='1'?'会员使用至：终身使用':!vipTime?'会员已过期':'会员使用至：'+filters.formatDate(vipTime,5)}}
                         </view>
                     </view>