add log

app/service/course/wechat.js

@@ -121,7 +121,8 @@ class WechatService extends Service {
     //     ret = resp.data.mediaId;
     // }
 
-    const ret = request.post({ url, formData: data }, function(error, response, body) {
+    let ret = '';
+    request.post({ url, formData: data }, function(error, response, body) {
       const resp = {
         statusCode: response.statusCode,
         body: response.body,
@@ -130,12 +131,13 @@ class WechatService extends Service {
       ctx.logger.info('course_wechat_uploadTempMedia_resp: ' + JSON.stringify(resp));
       if (response.statusCode === 200) {
         const result = JSON.parse(body);
-        return result.media_id;
+        ret = result.media_id;
       }
 
-      return '';
     });
 
+    console.log('ret: ' + ret);
+
     return ret;
   }
 }