diff --git a/Rs.Framework/EntityHelper.cs b/Rs.Framework/EntityHelper.cs
index a1e0347..cd3eda8 100644
--- a/Rs.Framework/EntityHelper.cs
+++ b/Rs.Framework/EntityHelper.cs
@@ -23,13 +23,16 @@ namespace Rs.Framework
             PropertyInfo[] pis = typeof(T).GetProperties(System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Instance);
             foreach (PropertyInfo propertyInfo in pis)
             {
-                if(propertyInfo.PropertyType.IsEnum)
+                if(dr.Table.Columns.Contains(propertyInfo.Name))
                 {
-                    propertyInfo.SetValue(entity, Enum.Parse(propertyInfo.PropertyType, dr[propertyInfo.Name].ToString()));
-                }
-                else
-                {
-                    propertyInfo.SetValue(entity, Convert.ChangeType(dr[propertyInfo.Name], propertyInfo.PropertyType));
+                    if (propertyInfo.PropertyType.IsEnum)
+                    {
+                        propertyInfo.SetValue(entity, Enum.Parse(propertyInfo.PropertyType, dr[propertyInfo.Name].ToString()));
+                    }
+                    else
+                    {
+                        propertyInfo.SetValue(entity, Convert.ChangeType(dr[propertyInfo.Name], propertyInfo.PropertyType));
+                    }
                 }
             }
             return entity;