Merge branch 'develop' of http://git.dev.yoho.cn/web/yohobuy into develop

@@ -165,10 +165,9 @@ $yohoPage.on('touchstart', '.color-list .block', function(e) {
         // 之前选中的尺码去掉勾选样式
         if ($preSiblingBlock.length > 0) {
             $preSiblingBlock.removeClass('chosed');
+            curSizeBlock = $curSizeRow.children().get(scindex);
         }
-
-        curSizeBlock = $curSizeRow.children().get(scindex);
-
+        
         // 当前选中颜色对应的尺码行，其对应的尺码加上勾选样式 (前提是要判断下这个尺码是否存在)
         if (curSizeBlock) {
             curGoodNum = $(curSizeBlock).data('num');