diff --git a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs
index 7470bb536..b6d507d7e 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableHelper.cs
@@ -1294,6 +1294,10 @@ namespace SqlSugar
                     }
                 }
             }
+            if (tableName == null) 
+            {
+                tableName = entity.DbTableName;
+            }
             return tableName;
         }
         protected string AppendSelect(List<EntityColumnInfo> entityColumnInfos,string sql, ReadOnlyCollection<ParameterExpression> parameters, List<EntityColumnInfo> columnsResult, int parameterIndex1)
diff --git a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
index b59acc1d9..4117dc5d0 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
@@ -411,7 +411,7 @@ namespace SqlSugar
             Type type = item.GetType();
             PropertyInfo field = type.GetProperty("exp", flag);
             Type ChildType = item.type;
-            var entityInfo = this.Context.EntityMaintenance.GetEntityInfo(ChildType);
+            var entityInfo = this.Context.EntityMaintenance.GetEntityInfoWithAttr(ChildType);
             var exp = field.GetValue(item, null) as Expression;
             var isMain = ChildType == this.EntityType||(ChildType.IsInterface&& this.EntityType.GetInterfaces().Any(it => it == ChildType));
             var isSingle = IsSingle();