diff --git a/OrmTest/UnitTest/Delete.cs b/OrmTest/UnitTest/Delete.cs
index 0d6f0da90..e7bbe8eb7 100644
--- a/OrmTest/UnitTest/Delete.cs
+++ b/OrmTest/UnitTest/Delete.cs
@@ -1,4 +1,5 @@
-using OrmTest.UnitTest;
+using OrmTest.Models;
+using OrmTest.UnitTest;
 using SqlSugar;
 using System;
 using System.Collections.Generic;
@@ -18,7 +19,17 @@ namespace OrmTest
 
         public void Init()
         {
-          
+            var db = GetInstance();
+            //by entity
+            var s1= db.Deleteable<Student>().Where(new Student() { Id = 1 }).ToSql();
+            //use lock
+            var s2 = db.Deleteable<Student>().With(SqlWith.RowLock).ToSql();
+            //by primary key
+            var s3 = db.Deleteable<Student>().Where(1).ToSql();
+            //by primary key array
+            var s4 = db.Deleteable<Student>().Where(new int[] { 1,2}).ToSql();
+            //by expression
+            var s5 = db.Deleteable<Student>().Where(it=>it.Id==1).ToSql();
         }
 
         public SqlSugarClient GetInstance()
diff --git a/SqlSugar/Abstract/UpdateProvider/DeleteableProvider.cs b/SqlSugar/Abstract/UpdateProvider/DeleteableProvider.cs
index b81600a6c..2a7ee6a0c 100644
--- a/SqlSugar/Abstract/UpdateProvider/DeleteableProvider.cs
+++ b/SqlSugar/Abstract/UpdateProvider/DeleteableProvider.cs
@@ -19,11 +19,6 @@ namespace SqlSugar
             throw new NotImplementedException();
         }
 
-        public IDeleteable<T> TableName(string name)
-        {
-            throw new NotImplementedException();
-        }
-
         public IDeleteable<T> Where(List<T> deleteObjs)
         {
             throw new NotImplementedException();
@@ -58,5 +53,10 @@ namespace SqlSugar
         {
             throw new NotImplementedException();
         }
+
+        public KeyValuePair<string, List<SugarParameter>> ToSql()
+        {
+            throw new NotImplementedException();
+        }
     }
 }
diff --git a/SqlSugar/Interface/IDeleteable.cs b/SqlSugar/Interface/IDeleteable.cs
index a78bd5961..de61597d0 100644
--- a/SqlSugar/Interface/IDeleteable.cs
+++ b/SqlSugar/Interface/IDeleteable.cs
@@ -10,7 +10,6 @@ namespace SqlSugar
     public interface IDeleteable<T>
     {
         int ExecuteCommand();
-        IDeleteable<T> TableName(string name);
         IDeleteable<T> With(string lockString);
         IDeleteable<T> Where(T deleteObj);
         IDeleteable<T> Where(Expression<Func<T, bool>> expression);
@@ -18,5 +17,6 @@ namespace SqlSugar
         IDeleteable<T> Where<PkType>(PkType primaryKeyValue);
         IDeleteable<T> Where<PkType>(PkType [] primaryKeyValues);
         IDeleteable<T> Where(string whereString,object whereObj);
+        KeyValuePair<string, List<SugarParameter>> ToSql();
     }
 }