diff --git a/Src/Asp.Net/SqlServerTest/Demos/4_Delete.cs b/Src/Asp.Net/SqlServerTest/Demos/4_Delete.cs
index e02e99cec..5ca74d226 100644
--- a/Src/Asp.Net/SqlServerTest/Demos/4_Delete.cs
+++ b/Src/Asp.Net/SqlServerTest/Demos/4_Delete.cs
@@ -28,6 +28,13 @@ namespace OrmTest.Demo
             var t41 = db.Deleteable<Student>().In(new int[] { 1, 2 }.Select(it=>it)).ExecuteCommand();
             var t42 = db.Deleteable<Student>().In(new int[] { 1, 2 }.AsEnumerable()).ExecuteCommand();
 
+
+            //by exp key array
+            var t44 = db.Deleteable<Student>().In(it=>it.SchoolId,new int[] { 1, 2 }).ExecuteCommand();
+            var t441 = db.Deleteable<Student>().In(it => it.SchoolId,new int[] { 1, 2 }.Select(it => it)).ExecuteCommand();
+            var t442 = db.Deleteable<Student>().In(it => it.SchoolId,new int[] { 1, 2 }.AsEnumerable()).ExecuteCommand();
+            var t443 = db.Deleteable<Student>().In(it => it.SchoolId, new int[] { 1, 2 }.ToList()).ExecuteCommand();
+
             //by expression   id>1 and id==1
             var t5 = db.Deleteable<Student>().Where(it => it.Id > 1).Where(it => it.Id == 1).ExecuteCommand();
 
diff --git a/Src/Asp.Net/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
index d8d89d15d..0e81aac48 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/DeleteProvider/DeleteableProvider.cs
@@ -20,6 +20,7 @@ namespace SqlSugar
         public bool IsAs { get; set; }
         public bool IsEnableDiffLogEvent { get; set; }
         public DiffLogModel diffModel { get; set; }
+        public List<string> tempPrimaryKeys { get; set; }
         public EntityInfo EntityInfo
         {
             get
@@ -35,7 +36,7 @@ namespace SqlSugar
             RestoreMapping();
             AutoRemoveDataCache();
             Before(sql);
-            var result= Db.ExecuteCommand(sql, paramters);
+            var result = Db.ExecuteCommand(sql, paramters);
             After(sql);
             return result;
         }
@@ -265,6 +266,34 @@ namespace SqlSugar
             return this;
         }
 
+        public IDeleteable<T> In<PkType>(Expression<Func<T, object>> inField, PkType primaryKeyValue)
+        {
+            var lamResult = DeleteBuilder.GetExpressionValue(inField, ResolveExpressType.FieldSingle);
+            var fieldName = lamResult.GetResultString();
+            tempPrimaryKeys = new List<string>() { fieldName };
+            var result = In(primaryKeyValue);;
+            tempPrimaryKeys = null;
+            return this;
+        }
+        public IDeleteable<T> In<PkType>(Expression<Func<T, object>> inField, PkType[] primaryKeyValues)
+        {
+            var lamResult = DeleteBuilder.GetExpressionValue(inField, ResolveExpressType.FieldSingle);
+            var fieldName = lamResult.GetResultString();
+            tempPrimaryKeys = new List<string>() { fieldName };
+            var result = In(primaryKeyValues);
+            tempPrimaryKeys = null;
+            return this;
+        }
+        public IDeleteable<T> In<PkType>(Expression<Func<T, object>> inField, List<PkType> primaryKeyValues)
+        {
+            var lamResult = DeleteBuilder.GetExpressionValue(inField, ResolveExpressType.FieldSingle);
+            var fieldName = lamResult.GetResultString();
+            tempPrimaryKeys = new List<string>() { fieldName };
+            var result = In(primaryKeyValues);
+            tempPrimaryKeys = null;
+            return this;
+        }
+
         public IDeleteable<T> With(string lockString)
         {
             if (this.Context.CurrentConnectionConfig.DbType == DbType.SqlServer)
@@ -283,7 +312,11 @@ namespace SqlSugar
 
         private List<string> GetPrimaryKeys()
         {
-            if (this.Context.IsSystemTablesConfig)
+            if (tempPrimaryKeys.HasValue())
+            {
+                return tempPrimaryKeys;
+            }
+            else if (this.Context.IsSystemTablesConfig)
             {
                 return this.Context.DbMaintenance.GetPrimaries(this.Context.EntityMaintenance.GetTableName(this.EntityInfo.EntityName));
             }
@@ -315,7 +348,8 @@ namespace SqlSugar
 
         private void TaskStart<Type>(Task<Type> result)
         {
-            if (this.Context.CurrentConnectionConfig.IsShardSameThread) {
+            if (this.Context.CurrentConnectionConfig.IsShardSameThread)
+            {
                 Check.Exception(true, "IsShardSameThread=true can't be used async method");
             }
             result.Start();
diff --git a/Src/Asp.Net/SqlSugar/Interface/IDeleteable.cs b/Src/Asp.Net/SqlSugar/Interface/IDeleteable.cs
index 674654940..418da3063 100644
--- a/Src/Asp.Net/SqlSugar/Interface/IDeleteable.cs
+++ b/Src/Asp.Net/SqlSugar/Interface/IDeleteable.cs
@@ -22,6 +22,9 @@ namespace SqlSugar
         IDeleteable<T> In<PkType>(PkType primaryKeyValue);
         IDeleteable<T> In<PkType>(PkType[] primaryKeyValues);
         IDeleteable<T> In<PkType>(List<PkType> primaryKeyValues);
+        IDeleteable<T> In<PkType>(Expression<Func<T,object>> inField,PkType primaryKeyValue);
+        IDeleteable<T> In<PkType>(Expression<Func<T, object>> inField,PkType[] primaryKeyValues);
+        IDeleteable<T> In<PkType>(Expression<Func<T, object>> inField,List<PkType> primaryKeyValues);
         IDeleteable<T> Where(string whereString,object parameters=null);
         IDeleteable<T> Where(string whereString, SugarParameter parameter);
         IDeleteable<T> Where(string whereString, SugarParameter[] parameters);