     
     func loadData(view: RefreshLoadView) {
         
-        
+        //load more data
         dispatch_async(dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), {
             sleep(1)
             dispatch_async(dispatch_get_main_queue(), {
                 
+                //end load more
                 self.refreshloadView.endLoadMore(self.table_view)
             });
         });

        
    }
    
    
    func tableView(tableView: UITableView,
                   cellForRowAtIndexPath indexPath: NSIndexPath)
        -> UITableViewCell {

            
    }
    
    //scroll event
    func scrollViewDidScroll(scrollView: UIScrollView) {
        
        refreshloadView.scrollViewDidScroll(scrollView)
        
    }
    
    //scroll event
    func scrollViewDidEndDragging(scrollView: UIScrollView, willDecelerate decelerate: Bool) {
        
        refreshloadView.scrollViewDidEndDragging(scrollView)
