修复新版本对 table reload 造成影响的问题

src/lay/modules/table.js

@@ -381,9 +381,8 @@ layui.define(['laytpl', 'laypage', 'layer', 'form'], function(exports){
   
   //表格重载
   Class.prototype.reload = function(options){
-    var that = this
-    ,options = that.config;
-    if(options.data && options.data.constructor === Array) delete that.config.data;
+    var that = this;
+    if(that.config.data && that.config.data.constructor === Array) delete that.config.data;
     that.config = $.extend({}, that.config, options);
     that.render();
   };

src/lay/modules/util.js

@@ -143,7 +143,7 @@ layui.define('jquery', function(exports){
     //转化为日期格式字符
     ,toDateString: function(time, format){
       var that = this
-      ,date = new Date(time || new Date())
+      ,date = new Date(parseInt(time) || new Date())
       ,ymd = [
         that.digit(date.getFullYear(), 4)
         ,that.digit(date.getMonth() + 1)