diff --git a/DataVAPI/UpAndDown/Sample.cs b/DataVAPI/UpAndDown/Sample.cs
index 56ab771..6f27de8 100644
--- a/DataVAPI/UpAndDown/Sample.cs
+++ b/DataVAPI/UpAndDown/Sample.cs
@@ -51,7 +51,7 @@ namespace DataVAPI.UpAndDown
                 if (_data != null)
                 {
                     _data.UtcCreatedOn = DateTime.Parse(_data.UtcCreatedOn).AddHours(8).ToString("yyyy-MM-dd HH:mm:ss");
-                    _data.DownloadUrl = "https://"+ _data.DownloadUrl; 
+                    _data.DownloadUrl =  _data.DownloadUrl.Replace("http://", "https://"); 
                     retdata.Add(_data);
                 }
             });