diff --git a/FreeSql.DbContext/FreeSql.DbContext.xml b/FreeSql.DbContext/FreeSql.DbContext.xml
index 2735cefb..ca7c357b 100644
--- a/FreeSql.DbContext/FreeSql.DbContext.xml
+++ b/FreeSql.DbContext/FreeSql.DbContext.xml
@@ -110,6 +110,13 @@
             清空状态数据
             </summary>
         </member>
+        <member name="M:FreeSql.DbSet`1.RemoveAsync(System.Linq.Expressions.Expression{System.Func{`0,System.Boolean}})">
+            <summary>
+            根据 lambda 条件删除数据
+            </summary>
+            <param name="predicate"></param>
+            <returns></returns>
+        </member>
         <member name="M:FreeSql.DbSet`1.Add(`0)">
             <summary>
             添加
diff --git a/FreeSql/FreeSql.xml b/FreeSql/FreeSql.xml
index 89c147ea..ee325756 100644
--- a/FreeSql/FreeSql.xml
+++ b/FreeSql/FreeSql.xml
@@ -2953,40 +2953,6 @@
             <param name="end"></param>
             <returns></returns>
         </member>
-        <member name="M:FreeSqlGlobalExpressionCall.Contains``2(System.Collections.Generic.IEnumerable{System.ValueTuple{``0,``1}},``0,``1)">
-            <summary>
-            C#：从元组集合中查找 exp1, exp2 是否存在<para></para>
-            SQL： <para></para>
-            exp1 = that[0].Item1 and exp2 = that[0].Item2 OR <para></para>
-            exp1 = that[1].Item1 and exp2 = that[1].Item2 OR <para></para>
-            ... <para></para>
-            注意：当 that 为 null 或 empty 时，返回 1=0
-            </summary>
-            <typeparam name="T1"></typeparam>
-            <typeparam name="T2"></typeparam>
-            <param name="that"></param>
-            <param name="exp1"></param>
-            <param name="exp2"></param>
-            <returns></returns>
-        </member>
-        <member name="M:FreeSqlGlobalExpressionCall.Contains``3(System.Collections.Generic.IEnumerable{System.ValueTuple{``0,``1,``2}},``0,``1,``2)">
-            <summary>
-            C#：从元组集合中查找 exp1, exp2, exp2 是否存在<para></para>
-            SQL： <para></para>
-            exp1 = that[0].Item1 and exp2 = that[0].Item2 and exp3 = that[0].Item3 OR <para></para>
-            exp1 = that[1].Item1 and exp2 = that[1].Item2 and exp3 = that[1].Item3 OR <para></para>
-            ... <para></para>
-            注意：当 that 为 null 或 empty 时，返回 1=0
-            </summary>
-            <typeparam name="T1"></typeparam>
-            <typeparam name="T2"></typeparam>
-            <typeparam name="T3"></typeparam>
-            <param name="that"></param>
-            <param name="exp1"></param>
-            <param name="exp2"></param>
-            <param name="exp3"></param>
-            <returns></returns>
-        </member>
         <member name="M:FreeSqlGlobalExtensions.Distance(System.Drawing.Point,System.Drawing.Point)">
             <summary>
             测量两个经纬度的距离，返回单位：米
@@ -3251,3 +3217,49 @@
         </member>
     </members>
 </doc>
+�完成（可能）被其他线程事务自动提交
+            </summary>
+            <param name="handler">事务体 () => {}</param>
+        </member>
+        <member name="M:IFreeSql.Transaction(System.TimeSpan,System.Action)">
+            <summary>
+            开启事务（不支持异步）
+            </summary>
+            <param name="timeout">超时，未执行完成（可能）被其他线程事务自动提交</param>
+            <param name="handler">事务体 () => {}</param>
+        </member>
+        <member name="M:IFreeSql.Transaction(System.Data.IsolationLevel,System.TimeSpan,System.Action)">
+            <summary>
+            开启事务（不支持异步）
+            </summary>
+            <param name="isolationLevel"></param>
+            <param name="handler">事务体 () => {}</param>
+            <param name="timeout">超时，未执行完成（可能）被其他线程事务自动提交</param>
+        </member>
+        <member name="P:IFreeSql.Ado">
+            <summary>
+            数据库访问对象
+            </summary>
+        </member>
+        <member name="P:IFreeSql.Aop">
+            <summary>
+            所有拦截方法都在这里
+            </summary>
+        </member>
+        <member name="P:IFreeSql.CodeFirst">
+            <summary>
+            CodeFirst 模式开发相关方法
+            </summary>
+        </member>
+        <member name="P:IFreeSql.DbFirst">
+            <summary>
+            DbFirst 模式开发相关方法
+            </summary>
+        </member>
+        <member name="P:IFreeSql.GlobalFilter">
+            <summary>
+            全局过滤设置，可默认附加为 Select/Update/Delete 条件
+            </summary>
+        </member>
+    </members>
+</doc>
diff --git a/FreeSql/Internal/CommonProvider/AdoProvider/AdoProvider.cs b/FreeSql/Internal/CommonProvider/AdoProvider/AdoProvider.cs
index 45db5750..2f2facd5 100644
--- a/FreeSql/Internal/CommonProvider/AdoProvider/AdoProvider.cs
+++ b/FreeSql/Internal/CommonProvider/AdoProvider/AdoProvider.cs
@@ -105,7 +105,7 @@ namespace FreeSql.Internal.CommonProvider
             {
                 if (indexes == null)
                 {
-                    var sbflag = new StringBuilder().Append("query");
+                    var sbflag = new StringBuilder().Append("adoQuery");
                     var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                     for (var a = 0; a < dr.FieldCount; a++)
                     {
@@ -148,7 +148,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 0:
                         if (indexes1 == null)
                         {
-                            var sbflag = new StringBuilder().Append("query");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -165,7 +165,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 1:
                         if (indexes2 == null)
                         {
-                            var sbflag = new StringBuilder().Append("query");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -216,7 +216,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 0:
                         if (indexes1 == null)
                         {
-                            var sbflag = new StringBuilder().Append("query");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -233,7 +233,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 1:
                         if (indexes2 == null)
                         {
-                            var sbflag = new StringBuilder().Append("query");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -250,7 +250,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 2:
                         if (indexes3 == null)
                         {
-                            var sbflag = new StringBuilder().Append("query");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -307,7 +307,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 0:
                         if (indexes1 == null)
                         {
-                            var sbflag = new StringBuilder().Append("query");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -324,7 +324,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 1:
                         if (indexes2 == null)
                         {
-                            var sbflag = new StringBuilder().Append("query");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -341,7 +341,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 2:
                         if (indexes3 == null)
                         {
-                            var sbflag = new StringBuilder().Append("query");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -358,7 +358,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 3:
                         if (indexes4 == null)
                         {
-                            var sbflag = new StringBuilder().Append("query");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -421,7 +421,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 0:
                         if (indexes1 == null)
                         {
-                            var sbflag = new StringBuilder().Append("query");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -438,7 +438,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 1:
                         if (indexes2 == null)
                         {
-                            var sbflag = new StringBuilder().Append("query");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -455,7 +455,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 2:
                         if (indexes3 == null)
                         {
-                            var sbflag = new StringBuilder().Append("query");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -472,7 +472,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 3:
                         if (indexes4 == null)
                         {
-                            var sbflag = new StringBuilder().Append("query");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -489,7 +489,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 4:
                         if (indexes5 == null)
                         {
-                            var sbflag = new StringBuilder().Append("query");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
diff --git a/FreeSql/Internal/CommonProvider/AdoProvider/AdoProviderAsync.cs b/FreeSql/Internal/CommonProvider/AdoProvider/AdoProviderAsync.cs
index 7297122d..bc8b96b6 100644
--- a/FreeSql/Internal/CommonProvider/AdoProvider/AdoProviderAsync.cs
+++ b/FreeSql/Internal/CommonProvider/AdoProvider/AdoProviderAsync.cs
@@ -31,7 +31,7 @@ namespace FreeSql.Internal.CommonProvider
             {
                 if (indexes == null)
                 {
-                    var sbflag = new StringBuilder().Append("query");
+                    var sbflag = new StringBuilder().Append("adoQuery");
                     var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                     for (var a = 0; a < dr.FieldCount; a++)
                     {
@@ -75,7 +75,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 0:
                         if (indexes1 == null)
                         {
-                            var sbflag = new StringBuilder().Append("QueryAsync");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -92,7 +92,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 1:
                         if (indexes2 == null)
                         {
-                            var sbflag = new StringBuilder().Append("QueryAsync");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -144,7 +144,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 0:
                         if (indexes1 == null)
                         {
-                            var sbflag = new StringBuilder().Append("QueryAsync");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -161,7 +161,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 1:
                         if (indexes2 == null)
                         {
-                            var sbflag = new StringBuilder().Append("QueryAsync");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -178,7 +178,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 2:
                         if (indexes3 == null)
                         {
-                            var sbflag = new StringBuilder().Append("QueryAsync");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -236,7 +236,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 0:
                         if (indexes1 == null)
                         {
-                            var sbflag = new StringBuilder().Append("QueryAsync");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -253,7 +253,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 1:
                         if (indexes2 == null)
                         {
-                            var sbflag = new StringBuilder().Append("QueryAsync");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -270,7 +270,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 2:
                         if (indexes3 == null)
                         {
-                            var sbflag = new StringBuilder().Append("QueryAsync");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -287,7 +287,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 3:
                         if (indexes4 == null)
                         {
-                            var sbflag = new StringBuilder().Append("QueryAsync");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -351,7 +351,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 0:
                         if (indexes1 == null)
                         {
-                            var sbflag = new StringBuilder().Append("QueryAsync");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -368,7 +368,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 1:
                         if (indexes2 == null)
                         {
-                            var sbflag = new StringBuilder().Append("QueryAsync");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -385,7 +385,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 2:
                         if (indexes3 == null)
                         {
-                            var sbflag = new StringBuilder().Append("QueryAsync");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -402,7 +402,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 3:
                         if (indexes4 == null)
                         {
-                            var sbflag = new StringBuilder().Append("QueryAsync");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
@@ -419,7 +419,7 @@ namespace FreeSql.Internal.CommonProvider
                     case 4:
                         if (indexes5 == null)
                         {
-                            var sbflag = new StringBuilder().Append("QueryAsync");
+                            var sbflag = new StringBuilder().Append("adoQuery");
                             var dic = new Dictionary<string, int>(StringComparer.CurrentCultureIgnoreCase);
                             for (var a = 0; a < dr.FieldCount; a++)
                             {
diff --git a/FreeSql/Internal/UtilsExpressionTree.cs b/FreeSql/Internal/UtilsExpressionTree.cs
index 6738bcf9..2823edcd 100644
--- a/FreeSql/Internal/UtilsExpressionTree.cs
+++ b/FreeSql/Internal/UtilsExpressionTree.cs
@@ -1495,7 +1495,8 @@ namespace FreeSql.Internal
 
                                     //判断主键为空，则整个对象不读取
                                     //blockExp.Add(Expression.Assign(readpkvalExp, Expression.Call(rowExp, MethodDataReaderGetValue, dataIndexExp)));
-                                    if (trycol?.Attribute.IsPrimary == true)
+                                    if (flagStr.StartsWith("adoQuery") == false && //Ado.Query 的时候不作此判断
+                                        trycol?.Attribute.IsPrimary == true) //若主键值为 null，则整行读取出来的对象为 null
                                     {
                                         ispkExp.Add(
                                             Expression.IfThen(