优化退出登录的操作

@@ -56,10 +56,12 @@
         <image class='arrow_wrap float_right' src='/images/arrow_right.png'></image>
       </view> -->
 
-       <text style="font-size:34rpx;color:#999;text-align:center;padding:20rpx;margin:80rpx 0" bindtap='loginout'>退出登录</text>
+       <!-- <text style="font-size:34rpx;color:#999;text-align:center;padding:20rpx;margin:80rpx 0" bindtap='loginout'>退出登录</text> -->
     </view>
   </scroll-view>
 
   <image class='chat-img' bindtap='gochat' src='/images/icon_chat.png'></image>
 
+   <image class='logout-img' bindtap='loginout' src='/images/icon_logout.png'></image>
+
 </view>

@@ -60,8 +60,16 @@ text_wrap_sub_999 {
 }
 
 .chat-img {
-  width: 96rpx;
-  height: 96rpx;
+  width: 80rpx;
+  height: 80rpx;
+  position: fixed;
+  right: 40rpx;
+  bottom: 140rpx;
+}
+
+.logout-img {
+  width: 80rpx;
+  height: 80rpx;
   position: fixed;
   right: 40rpx;
   bottom: 40rpx;