fix token bug

app/service/course/v5/wechat.js

@@ -52,10 +52,10 @@ class WechatService extends Service {
     if (!flag) {
       this.ctx.set('content-type', 'text/xml');
       const xml = `<xml>
-      <ToUserName><![CDATA[${data.FromUserName}]]></ToUserName>
-      <FromUserName><![CDATA[${data.ToUserName}]]></FromUserName>
+      <ToUserName>${data.ToUserName}</ToUserName>
+      <FromUserName>${data.FromUserName}</FromUserName>
       <CreateTime>${parseInt(new Date() / 1000)}</CreateTime>
-      <MsgType><![CDATA[transfer_customer_service]]></MsgType>
+      <MsgType>transfer_customer_service</MsgType>
   </xml>`;
       this.ctx.body = xml;
       ctx.logger.info('course_ctx: ' + JSON.stringify(this.ctx));