如果skn查询商品返回为空，翻页参数也要加1

@@ -247,6 +247,7 @@ plusstar = {
                 skn = [];
                 loading.hideLoadingMask();
                 searching = false;
+                that.common.page++;
 
                 if (data === '') {
                     return true;
@@ -262,7 +263,7 @@ plusstar = {
                     ORDER_CODE: '',
                     PRD_NUM: that.common.pagesize,
                     ACTION_ID: 0,
-                    page_num: that.common.page++
+                    page_num: that.common.page - 1
                 }, speckParamApp));
 
                 $('.plusstar-resources .goods').append(data);