update

pages/message/message.wxml

@@ -16,4 +16,5 @@
         <input confirm-type='send' bindconfirm='post' value="{{comment}}" placeholder-style="color:#999" maxlength="500" bindinput="inputchange" type="text" placeholder="我要咨询"/>
         <button bindtap="post">提交</button>
     </view>
+    <view style="clear: both;"></view>
 </view>

pages/message/message.wxss

@@ -5,7 +5,10 @@ page{
 }
 .list{
     position: relative;
-    margin-bottom: 56rpx;
+    margin-bottom: 48rpx;
+}
+.list:last-child{
+    padding-bottom: 160rpx;
 }
 .post{
     position: fixed;