update

@@ -37,8 +37,9 @@ function downLoadApp() {
 //         });
 // });
 
-floatLayerCloseHammer = new Hammer($('#float-layer-close')[0]);
-floatLayerCloseHammer.on('tap', function(e) {
+if ($('#float-layer-close') && $('#float-layer-close')[0]) {
+    floatLayerCloseHammer = new Hammer($('#float-layer-close')[0]);
+    floatLayerCloseHammer.on('tap', function(e) {
         $('#float-layer-app').hide();
         window.setCookie('_float-layer-app', 'id490655927',
             {
@@ -49,23 +50,27 @@ floatLayerCloseHammer.on('tap', function(e) {
                 domain: '.yohobuy.com',
                 expires: 1
             });
-});
+    });
+}
 
 // $('#float-layer-btn').tap(function () {
 //     downLoadApp('bottom');
 // });
 
-floatLayerBtnHammer = new Hammer($('#float-layer-btn')[0]);
-floatLayerBtnHammer.on('tap', function(e) {
+if ($('#float-layer-btn') && $('#float-layer-btn')[0]) {
+    floatLayerBtnHammer = new Hammer($('#float-layer-btn')[0]);
+    floatLayerBtnHammer.on('tap', function(e) {
         downLoadApp('bottom');
-});
+    });
 
-if (!window.cookie('_float-layer-app')) {
+    if (!window.cookie('_float-layer-app')) {
         $('#float-layer-app').show();
-} else {
+    } else {
         $('#float-layer-app').hide();
+    }  
 }
 
+
 /**
  * 频道选择页面顶部搜索
  * @author: bikai<kai.bi@yoho.cn>