2.1.0 版本

 {
   "name": "yas-jssdk",
-  "version": "2.0.0",
+  "version": "2.1.0",
   "description": "YOHO!采集系统的前端js的开发包",
   "keywords": ["YOHO!", "Acquisition", "System", "JS-SDK"],
   "homepage": "",

 /**
  * 跨域发送信息工具库
  */
+var util = require('./util');
 var config = require('./config');
 
 var yasPath = config.yasPath;
@@ -22,10 +23,9 @@ var createCORSRequest = function(method, url) {
   return xhr;
 };
 
-
 //发送图片方式
 exports.imgSend = function(param, callback) {
-  var appVer = window.qs.app_version || window.qs.appVersion;
+  var appVer = util.getAppVersion();
   if (window.appBaseLogs || appVer >= '5.2.1') {
     // 从app中打开的wap页场合，走app的上报逻辑
     return;

@@ -138,14 +138,13 @@ exports.getGeo = function(callback) {
 };
 
 exports.queryString = function() {
-    var vars = [],
+    var vars = {},
         hash,
         i;
     var hashes = window.location.search.slice(1).split('&');
 
     for (i = 0; i < hashes.length; i++) {
         hash = hashes[i].split('=');
-        vars.push(hash[0]);
         vars[hash[0]] = hash[1];
     }
     return vars;
@@ -176,3 +175,20 @@ exports.getChannel = function() {
       lifestyle: 4
     }[cookie('_Channel')];
 }
+
+var _getAppVersionByUa = function() {
+    var vars = navigator.userAgent.split(';') || [];
+    for (var i = 0; i < vars.length; i++) {
+        if (vars[i].indexOf('app_version') > -1) {
+            return vars[i].split('=')[1];
+        }
+    }
+}
+
+exports.getAppVersion = function() {
+    var appVer = window.qs.app_version || window.qs.appVersion;
+    if (!appVer) {
+        appVer = _getAppVersionByUa();
+    }
+    return appVer;
+}
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