feats

src/components/Markdown/Readme.md

+使用当前组件的页面，必须设置
+
+  usingComponents: {
+    'towxml': '/towxml/towxml'
+  }
+  

src/pages/HuiShengHuo/ActivityList/ActivityDetail/index.config.js

 export default {
-  navigationBarTitleText: '荟 · 生活'
+  navigationBarTitleText: '荟 · 生活',
+  usingComponents: {
+    'towxml': '/towxml/towxml'
+  }
 }