             let stories1 = allNews.stories
             
             // 回调给controller
-            if self.successCallBack != nil {
-                self.successCallBack!(dataSoure:stories1!, headerSource:topStories!)
+            if successCallBack != nil {
+                successCallBack!(dataSoure:stories1!, headerSource:topStories!)
             }
             }) { (error) -> Void in
                 
         }
     }
+    
     /**
      获取往日的新闻
      

     - parameter errorCallBack:   errorCallBack description
     */
    func getData (successCallBack : ViewModelSuccessCallBack?, errorCallBack : VieModelErrorCallBack?) {
        self.successCallBack = successCallBack
        self.errorCallBack = errorCallBack
        ZFNetworkTool.get(LATEST_NEWS_URL, params: nil, success: { (json) -> Void in
            
            let allNews : ZFLatestNews = ZFLatestNews(object: json)

            let dateStr = self.dateFormat.stringFromDate(date)
            
            // 回调给controller
            if successCallBack != nil {
                successCallBack!(dataSoure:stories!,dateStr:dateStr)
            }
            }) { (error) -> Void in
                
