Update EntityHelper.cs

framework/src/Volo.Abp.Ddd.Domain/Volo/Abp/Domain/Entities/EntityHelper.cs

@@ -76,7 +76,8 @@ namespace Volo.Abp.Domain.Entities
         {
             var lambdaParam = Expression.Parameter(typeof(TEntity));
             var leftExpression = Expression.PropertyOrField(lambdaParam, "Id");
-            Expression<Func<TKey>> closure = () => id;
+            var idValue = Convert.ChangeType(id, typeof(TKey));
+            Expression<Func<object>> closure = () => idValue;
             var rightExpression = Expression.Convert(closure.Body, leftExpression.Type);
             var lambdaBody = Expression.Equal(leftExpression, rightExpression);
             return Expression.Lambda<Func<TEntity, bool>>(lambdaBody, lambdaParam);
@@ -109,4 +110,4 @@ namespace Volo.Abp.Domain.Entities
             idProperty.SetValue(entity, idFactory());
         }
     }
-}
+}