增加修改资料页面的部分逻辑

pages/ChangeUserInfo/ChangeUserInfo.wxml

@@ -1,21 +1,21 @@
 <van-cell-group>
   <van-field 
     label="用户名"
-    value="Yeomai"
+    value="{{username}}"
     placeholder="请输入用户名"
     border="true"
     bind:change="onChange"
   />
 </van-cell-group>
 
-<van-collapse value="{{ activeNames }}" bind:change="onChange2" bind:open="onOpen2" bind:close="onClose2">
+<van-collapse value="{{ activeNames }}" bind:change="onChange2">
   <van-collapse-item title="头像" name="1">
     <view style="display: flex;  justify-content: center;  padding: 20rpx 0;">
-      <van-image width="120rpx" height="120rpx" src="https://api.yeomai.site/Images/Headicons/Headicon18.png" />
+      <van-image width="120rpx" height="120rpx" src="{{BaseURL}}/Images/Headicons/Headicon{{HeadiconID}}.png" />
     </view>
     <van-grid icon-size="80rpx">
       <scroll-view scroll-y style="min-height: 200rpx;max-height: 620rpx;" class="scroll-area">
-        <van-grid-item  wx:for="{{ list }}" wx:key="index" icon="https://api.yeomai.site/Images/Headicons/Headicon{{index + 1}}.png" text="{{index + 1}}" bind:click="selectHeadicon" data-index="{{index + 1}}"/>
+        <van-grid-item  wx:for="{{ list }}" wx:key="index" icon="{{BaseURL}}/Images/Headicons/Headicon{{index + 1}}.png" text="{{index + 1}}" bind:click="selectHeadicon" data-index="{{index + 1}}"/>
       </scroll-view>
    </van-grid>
   </van-collapse-item>