private void RunSearch()
 {
     try
     {
         if (Keyword != string.Empty)
         {
             searchModel.GetChain();
             ResultDisplay = searchModel.Result;
         }
         else
         {
             ResultDisplay = "请输入要查询的称谓";
         }
     }catch (Exception e)
     {
         ResultDisplay = e.Message;
     }
 }