diff --git a/IRaCIS.Core.Infra.EFCore/Repository/Repository.cs b/IRaCIS.Core.Infra.EFCore/Repository/Repository.cs
index 53fea6784..40dabcdcc 100644
--- a/IRaCIS.Core.Infra.EFCore/Repository/Repository.cs
+++ b/IRaCIS.Core.Infra.EFCore/Repository/Repository.cs
@@ -164,6 +164,10 @@ namespace IRaCIS.Core.Infra.EFCore
 
                 foreach (var item in JsonData.Keys)
                 {
+                    if (JsonData[item] == null)
+                    {
+                        continue;
+                    }
                     if (JsonData[item].ToString().ToLower() == "true".ToLower())
                     {
                         JsonData[item] = "是";
@@ -192,7 +196,7 @@ namespace IRaCIS.Core.Infra.EFCore
         /// <returns></returns>
         private bool IsNullOrEmpty(object value)
         {
-            if (value==null || value.ToString() == string.Empty)
+            if (value == null || value.ToString() == string.Empty)
             {
                 return true;
             }