增加app判断

 {
   "name": "yas-jssdk",
-  "version": "2.1.3",
+  "version": "2.2.1",
   "description": "YOHO!采集系统的前端js的开发包",
   "keywords": ["YOHO!", "Acquisition", "System", "JS-SDK"],
   "homepage": "",

@@ -243,7 +243,7 @@ exports.getDownloadStr = function(isWechat, mktc) {
         str += '<a class="download-go-wechat" id="download-go" href="http://union.yoho.cn/union/downapp.html' + (mktc ? '?union_type=' + mktc : '') +'">立即打开</a>';
         str += '<a class="download-wechat" id="download-wechat" href="https://mp.weixin.qq.com/mp/profile_ext?action=home&__biz=MjM5MzI3MDkwNg==&scene=110#wechat_redirect">加关注</a></div>';
     } else {
-        str += '<a class="download-go" id="download-go" href="http://union.yoho.cn/union/downapp.html' + (mktc ? '?union_type=' + mktc : '') +'">立即打开</a></div>';
+        str += '<a class="download-go" id="download-go" href="//m.yohobuy.com/activity/app-downloads">立即打开</a></div>';
     }
     return str;
 }
\ No newline at end of file

@@ -39,7 +39,7 @@ var appInfo = {
   apf: window.location.search.indexOf('app_version=') >= 0 ? 'Y' : 'N'
 };
 
-var isApp = navigator.userAgent.indexOf('app_version=') > -1;
+var isApp = navigator.userAgent.indexOf('app_version=') > -1 || window.location.search.indexOf('app_version=') > -1 || !!window.yohoInterface;
 var isMobile = /(iPhone|Android|iPod|iOS)/i.test(navigator.userAgent);
 var isWechat = /micromessenger/i.test(navigator.userAgent);
 var ismyhbuy = /m\.yohobuy\.com/i.test(document.domain);