diff --git a/README.md b/README.md
index 12de6937a..1723d99e6 100644
--- a/README.md
+++ b/README.md
@@ -409,5 +409,26 @@ db.CodeFirst.BackupTable().InitTables(typeof(CodeTable),typeof(CodeTable2)); //c
 db.CodeFirst.InitTables(typeof(CodeTable),typeof(CodeTable2));
 ```
 
+## 9. AOP LOG
+```
+db.Aop.OnLogExecuted = (sql, pars) => //SQL执行完事件
+{
+ 
+};
+db.Aop.OnLogExecuting = (sql, pars) => //SQL执行前事件
+{
+ 
+};
+db.Aop.OnError = (exp) =>//执行SQL 错误事件
+{
+                 
+};
+db.Aop.OnExecutingChangeSql = (sql, pars) => //SQL执行前 可以修改SQL
+{
+    return new KeyValuePair<string, SugarParameter[]>(sql,pars);
+};
+
+```
+
 More
 http://www.codeisbug.com/Doc/8
diff --git a/Src/Asp.Net/SqlServerTest/Demos/1_Query.cs b/Src/Asp.Net/SqlServerTest/Demos/1_Query.cs
index 299c325bc..ae1fd3015 100644
--- a/Src/Asp.Net/SqlServerTest/Demos/1_Query.cs
+++ b/Src/Asp.Net/SqlServerTest/Demos/1_Query.cs
@@ -28,6 +28,13 @@ namespace OrmTest.Demo
             Simple();
             Async();
             Subqueryable();
+            SqlQueryable();
+        }
+
+        private static void SqlQueryable()
+        {
+            var db = GetInstance();
+            var list = db.SqlQueryable<Student>("select * from student").ToPageList(1, 2);
         }
 
         private static void Subqueryable()
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/Query/SingleQuery.cs b/Src/Asp.Net/SqlServerTest/UnitTest/Query/SingleQuery.cs
index 4bf37e5d4..7d1c4d65b 100644
--- a/Src/Asp.Net/SqlServerTest/UnitTest/Query/SingleQuery.cs
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/Query/SingleQuery.cs
@@ -116,6 +116,14 @@ namespace OrmTest.UnitTest
 
                 var t12 = db.Queryable<Student>().Where(it=>it.Id!=null).ToSql();
                 base.Check("SELECT [ID],[SchoolId],[Name],[CreateTime] FROM [STudent]  WHERE ( [ID] IS NOT NULL )", null, t12.Key, t12.Value, "single t12 error");
+
+                var id = 1;
+                var t13 = db.Queryable<Student>().Where(it => SqlFunc.Subqueryable<School>().Where(s => s.Id == it.Id&&s.Id==id).Max(s => s.Id) == 1).ToSql();
+                base.Check("SELECT [ID],[SchoolId],[Name],[CreateTime] FROM [STudent] it  WHERE ((SELECT MAX([Id]) FROM [School] WHERE (( [Id] = [it].[ID] ) AND ( [Id] = @Id0 ))) = @Const1 )",
+                    new List<SugarParameter>() {
+                        new SugarParameter("@Id0",1),
+                        new SugarParameter("@Const1",1)
+                    }, t13.Key, t13.Value, "single t13 error ");
             }
         }
     }
diff --git a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/SqlBuilderProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/SqlBuilderProvider.cs
index e14ce5f9d..f49d031aa 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/SqlBuilderProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/SqlBuilderProvider.cs
@@ -73,11 +73,19 @@ namespace SqlSugar
         }
         public virtual string GetPackTable(string sql, string shortName)
         {
-            return UtilMethods.GetPackTable(sql,shortName);
+            return UtilMethods.GetPackTable(sql, shortName);
+        }
+        public virtual string GetDefaultShortName()
+        {
+            return "t";
+        }
+        public virtual string GetUnionAllSql(List<string> sqlList)
+        {
+            return string.Join("UNION ALL \r\n", sqlList);
         }
         public virtual void RepairReplicationParameters(ref string appendSql, SugarParameter[] parameters, int addIndex)
         {
-            UtilMethods.RepairReplicationParameters(ref appendSql,parameters,addIndex);
+            UtilMethods.RepairReplicationParameters(ref appendSql, parameters, addIndex);
         }
         #endregion
 
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubWhere.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubWhere.cs
index 81046283a..3410ad4f0 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubWhere.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/Items/SubWhere.cs
@@ -35,7 +35,7 @@ namespace SqlSugar
         {
             var exp = expression as MethodCallExpression;
             var argExp= exp.Arguments[0];
-            var result= "WHERE "+SubTools.GetMethodValue(Context, argExp, ResolveExpressType.WhereMultiple);
+            var result= "WHERE "+SubTools.GetMethodValue(Context, argExp, ResolveExpressType.WhereMultiple);;
             var selfParameterName = Context.GetTranslationColumnName((argExp as LambdaExpression).Parameters.First().Name)+UtilConstants.Dot;
             result = result.Replace(selfParameterName,string.Empty);
             return result;
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/SubTools.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/SubTools.cs
index 33571f7cb..f71318146 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/SubTools.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Subquery/SubTools.cs
@@ -11,7 +11,7 @@ namespace SqlSugar
         public static List<ISubOperation> SubItems(ExpressionContext Context)
         {
 
-                return new List<ISubOperation>()
+            return new List<ISubOperation>()
                                                 {
                                                     new SubSelect() { Context=Context },
                                                     new SubWhere(){ Context=Context },
@@ -37,6 +37,8 @@ namespace SqlSugar
             newContext.Resolve(item, type);
             context.Index = newContext.Index;
             context.ParameterIndex = newContext.ParameterIndex;
+            if (newContext.Parameters.IsValuable())
+                context.Parameters.AddRange(newContext.Parameters);
             return newContext.Result.GetResultString();
         }
     }
diff --git a/Src/Asp.Net/SqlSugar/Interface/ISqlBuilder.cs b/Src/Asp.Net/SqlSugar/Interface/ISqlBuilder.cs
index c4467fd27..08c987a08 100644
--- a/Src/Asp.Net/SqlSugar/Interface/ISqlBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Interface/ISqlBuilder.cs
@@ -27,6 +27,8 @@ namespace SqlSugar
         string GetTranslationColumnName(string propertyName);
         string GetNoTranslationColumnName(string name);
         string GetPackTable(string sql,string shortName);
+        string GetDefaultShortName();
+        string GetUnionAllSql(List<string> sqlList);
         void RepairReplicationParameters(ref string appendSql, SugarParameter[] parameters, int addIndex);
     }
 }
diff --git a/Src/Asp.Net/SqlSugar/SqlSugarClient.cs b/Src/Asp.Net/SqlSugar/SqlSugarClient.cs
index c48a368cf..150b3d51a 100644
--- a/Src/Asp.Net/SqlSugar/SqlSugarClient.cs
+++ b/Src/Asp.Net/SqlSugar/SqlSugarClient.cs
@@ -310,6 +310,7 @@ namespace SqlSugar
 
         public virtual ISugarQueryable<T> UnionAll<T>(params ISugarQueryable<T>[] queryables) where T : class, new()
         {
+            var sqlBuilder = InstanceFactory.GetSqlbuilder(this.Context.CurrentConnectionConfig);
             Check.Exception(queryables.IsNullOrEmpty(), "UnionAll.queryables is null ");
             int i = 1;
             List<KeyValuePair<string, List<SugarParameter>>> allItems = new List<KeyValuePair<string, List<SugarParameter>>>();
@@ -324,7 +325,7 @@ namespace SqlSugar
                     allItems.Add(new KeyValuePair<string, List<SugarParameter>>(sql, new List<SugarParameter>()));
                 i++;
             }
-            var allSql = string.Join("UNION ALL \r\n", allItems.Select(it => it.Key));
+            var allSql = sqlBuilder.GetUnionAllSql(allItems.Select(it => it.Key).ToList());
             var allParameters = allItems.SelectMany(it => it.Value).ToArray();
             var resulut = this.Queryable<ExpandoObject>().AS(UtilMethods.GetPackTable(allSql, "unionTable"));
             resulut.AddParameters(allParameters);
@@ -337,6 +338,14 @@ namespace SqlSugar
         }
         #endregion
 
+        #region SqlQueryable
+        public ISugarQueryable<T> SqlQueryable<T>(string sql) where T : class, new()
+        {
+            var sqlBuilder = InstanceFactory.GetSqlbuilder(this.Context.CurrentConnectionConfig);
+            return this.Queryable<T>().AS(sqlBuilder.GetPackTable(sql, sqlBuilder.GetDefaultShortName()));
+        }
+        #endregion
+
         #region Insertable
         public virtual IInsertable<T> Insertable<T>(T[] insertObjs) where T : class, new()
         {