merge from feature/wechat-auth

@@ -10,6 +10,8 @@ const WeixinStrategy = require('passport-weixin-plus');
 
 const config = require('../../config/common');
 
+let siteUrl = config.siteUrl.indexOf('//') === 0 ? 'http:' + config.siteUrl : config.siteUrl;
+
 /**
  * wechat登录
  */
@@ -18,7 +20,7 @@ passport.use(new WeixinStrategy({
     tokenURL: 'https://api.weixin.qq.com/sns/oauth2/access_token',
     clientID: config.thirdLogin.wechat.appID,
     clientSecret: config.thirdLogin.wechat.appSecret,
-    callbackURL: `${config.siteUrl}/passport/login/wechat/callback`,
+    callbackURL: `${siteUrl}/passport/login/wechat/callback`,
     requireState: false,
     scope: 'snsapi_userinfo'
 }, (accessToken, refreshToken, profile, done) => {