diff --git a/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs b/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs
index 91cf4bd4d..8c2b68af7 100644
--- a/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs
@@ -830,7 +830,7 @@ namespace SqlSugar
                         var changeValue = UtilMethods.ChangeType2(kv.Value, propertyInfo.PropertyType);
                         propertyInfo.SetValue(addItem, changeValue);
                     }
-                    if (kv.Value == DBNull.Value && UtilMethods.GetUnderType(propertyInfo.PropertyType).IsIn(typeof(int), typeof(long)))
+                    else if (kv.Value == DBNull.Value && UtilMethods.GetUnderType(propertyInfo.PropertyType).IsIn(typeof(int), typeof(long)))
                     {
 
                         var changeValue = UtilMethods.ChangeType2(0, propertyInfo.PropertyType);