diff --git a/IRaCIS.Core.Domain/Trial/Trial.cs b/IRaCIS.Core.Domain/Trial/Trial.cs
index 719e6aa50..92d2e8ae1 100644
--- a/IRaCIS.Core.Domain/Trial/Trial.cs
+++ b/IRaCIS.Core.Domain/Trial/Trial.cs
@@ -327,7 +327,7 @@ public partial class Trial : BaseFullDeleteAuditEntity
     /// <summary>
     /// QC质控下载
     /// </summary>
-    public bool IsSupportQCDownloadImage { get; set; } = true;
+    public bool IsSupportQCDownloadImage { get; set; } 
 
     /// <summary>
     /// 打开失访可读