Merge branch 'feature/wsl5.3' into release/2.0

@@ -32,15 +32,7 @@ var recommmendProduct = {
             params: params
         });
 
-        // 最近预览
-        _this.getProducts({
-            url: '/product/recentPreview',
-            index: 1,
-            params: {
-                limit: 20
-            }
-        });
-
+        // tab切换
         $dom.find('.head-tab').on('click', function() {
             var index = $(this).index(),
                 $tabCont = $('.tab-cont-' + index);
@@ -48,6 +40,9 @@ var recommmendProduct = {
             $('.head-tab').removeClass('active');
             $(this).addClass('active');
             $tabCont.removeClass('hide').siblings().addClass('hide');
+
+            _this.lazyImage();
+            _this.isShowChangeBtn($tabCont.find('.goods-group').length);
         });
 
         _this.$changeBtn.on('click', function() {
@@ -84,9 +79,10 @@ var recommmendProduct = {
     },
     getProducts: function(obj) {
         var _this = this;
+        var $headTab = $('.head-tab');
 
         $.get(obj.url, obj.params, function(result) {
-            var curTab = $('.head-tab').eq(obj.index);
+            var curTab = $headTab.eq(obj.index);
 
             if (result.length) {
                 if (_this.$recommendHeader.hasClass('hide')) {
@@ -99,20 +95,30 @@ var recommmendProduct = {
 
                 _this.$dom.find('.tab-cont-' + obj.index).html(recProduct({result: result}));
                 _this.lazyImage();
+                _this.isShowChangeBtn.bind(result.length);
 
-                _this.isShowChangeBtn(result.length);
-
-                if (obj.index === 1) {
+                if (obj.index === 1 && $headTab.eq(0).hasClass('hide')) {
                     curTab.click();
                 }
             }
+
+            if (obj.index === 0) {
+                // 最近预览
+                _this.getProducts({
+                    url: '/product/recentPreview',
+                    index: 1,
+                    params: {
+                        limit: 20
+                    }
+                });
+            }
         });
     },
     isShowChangeBtn: function(currGoodsLen) {
         if (currGoodsLen <= 1) {
-            this.$changeBtn.hide();
+            recommmendProduct.$changeBtn.hide();
         } else {
-            this.$changeBtn.show();
+            recommmendProduct.$changeBtn.show();
         }
     },
     lazyImage: function() {