diff --git a/Src/Asp.Net/SqlServerTest/Demos/1_Query.cs b/Src/Asp.Net/SqlServerTest/Demos/1_Query.cs
index 5e6327a3a..f5c313c09 100644
--- a/Src/Asp.Net/SqlServerTest/Demos/1_Query.cs
+++ b/Src/Asp.Net/SqlServerTest/Demos/1_Query.cs
@@ -226,8 +226,8 @@ namespace OrmTest.Demo
             var list3 = db.Queryable<Student, School>((st, sc) => new object[] {
               JoinType.Left,st.SchoolId==sc.Id
             })
-            .WhereIf(false, (st, sc) => sc.Id == 1)
-            .WhereIf(false, (st, sc) => st.Id == 1).ToList();
+            .WhereIF(false, (st, sc) => sc.Id == 1)
+            .WhereIF(false, (st, sc) => st.Id == 1).ToList();
         }
         public static void Join()
         {
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/DataTest2.cs b/Src/Asp.Net/SqlServerTest/UnitTest/DataTest2.cs
new file mode 100644
index 000000000..83e2818d9
--- /dev/null
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/DataTest2.cs
@@ -0,0 +1,39 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace OrmTest.UnitTest
+{
+    public class DataTest2 : UnitTestBase
+    {
+        public interface IEntity<T> {
+            T ID { get; set; } 
+        }
+        public abstract class Entity<T> : IEntity<T>
+        {
+           public virtual T ID { get; set; }
+        }
+        public class MyModel: Entity<int>
+        {
+            public override int ID { get; set; }
+        }
+        private DataTest2() { }
+        public DataTest2(int eachCount)
+        {
+            this.Count = eachCount;
+        }
+
+        public void Init()
+        {
+            var db = GetInstance();
+            var t1 = db.Queryable<MyModel>().AS("Student").ToList();
+        }
+        public SqlSugarClient GetInstance()
+        {
+            SqlSugarClient db = new SqlSugarClient(new ConnectionConfig() { ConnectionString = Config.ConnectionString, DbType = DbType.SqlServer, IsAutoCloseConnection = true });
+            return db;
+        }
+    }
+}
diff --git a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
index de46ec849..27e1cda8b 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/QueryableProvider/QueryableProvider.cs
@@ -665,13 +665,13 @@ namespace SqlSugar
             _Where(expression);
             return this;
         }
-        public ISugarQueryable<T, T2> WhereIf(bool isWhere, Expression<Func<T, bool>> expression)
+        public ISugarQueryable<T, T2> WhereIF(bool isWhere, Expression<Func<T, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
-        public ISugarQueryable<T, T2> WhereIf(bool isWhere, Expression<Func<T, T2, bool>> expression)
+        public ISugarQueryable<T, T2> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
@@ -788,21 +788,21 @@ namespace SqlSugar
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3> WhereIf(bool isWhere, Expression<Func<T, T2, T3, bool>> expression)
+        public ISugarQueryable<T, T2, T3> WhereIF(bool isWhere, Expression<Func<T, T2, T3, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3> WhereIf(bool isWhere,Expression<Func<T, T2, bool>> expression)
+        public ISugarQueryable<T, T2, T3> WhereIF(bool isWhere,Expression<Func<T, T2, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public  ISugarQueryable<T, T2, T3> WhereIf(bool isWhere, Expression<Func<T, bool>> expression)
+        public  ISugarQueryable<T, T2, T3> WhereIF(bool isWhere, Expression<Func<T, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
@@ -837,28 +837,28 @@ namespace SqlSugar
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4> WhereIf(bool isWhere, Expression<Func<T, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4> WhereIF(bool isWhere, Expression<Func<T, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4> WhereIf(bool isWhere, Expression<Func<T, T2, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4> WhereIf(bool isWhere, Expression<Func<T, T2, T3, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4> WhereIF(bool isWhere, Expression<Func<T, T2, T3, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
@@ -958,35 +958,35 @@ namespace SqlSugar
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5> WhereIf(bool isWhere, Expression<Func<T, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5> WhereIF(bool isWhere, Expression<Func<T, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5> WhereIf(bool isWhere, Expression<Func<T, T2, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5> WhereIf(bool isWhere, Expression<Func<T, T2, T3, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5> WhereIF(bool isWhere, Expression<Func<T, T2, T3, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
@@ -1105,42 +1105,42 @@ namespace SqlSugar
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIf(bool isWhere, Expression<Func<T, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIf(bool isWhere, Expression<Func<T, T2, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIf(bool isWhere, Expression<Func<T, T2, T3, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, T2, T3, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
@@ -1278,49 +1278,49 @@ namespace SqlSugar
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIf(bool isWhere, Expression<Func<T, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIf(bool isWhere, Expression<Func<T, T2, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIf(bool isWhere, Expression<Func<T, T2, T3, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, T2, T3, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
@@ -1478,56 +1478,56 @@ namespace SqlSugar
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, T2, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, T2, T3, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, T2, T3, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
             return this;
         }
 
-        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> expression)
+        public ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> expression)
         {
             if (isWhere)
                 _Where(expression);
diff --git a/Src/Asp.Net/SqlSugar/Interface/IQueryable.cs b/Src/Asp.Net/SqlSugar/Interface/IQueryable.cs
index 5f57353d3..d5447bb7e 100644
--- a/Src/Asp.Net/SqlSugar/Interface/IQueryable.cs
+++ b/Src/Asp.Net/SqlSugar/Interface/IQueryable.cs
@@ -97,8 +97,8 @@ namespace SqlSugar
         new ISugarQueryable<T, T2> Where(Expression<Func<T, bool>> expression);
         ISugarQueryable<T, T2> Where(Expression<Func<T, T2, bool>> expression);
 
-        ISugarQueryable<T, T2> WhereIf(bool isWhere,Expression<Func<T, bool>> expression);
-        ISugarQueryable<T, T2> WhereIf(bool isWhere, Expression<Func<T, T2, bool>> expression);
+        ISugarQueryable<T, T2> WhereIF(bool isWhere,Expression<Func<T, bool>> expression);
+        ISugarQueryable<T, T2> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression);
         #endregion
 
         #region Select
@@ -122,9 +122,9 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3> Where(Expression<Func<T, T2, bool>> expression);
         ISugarQueryable<T, T2, T3> Where(Expression<Func<T, T2, T3, bool>> expression);
 
-        ISugarQueryable<T, T2, T3> WhereIf(bool isWhere, Expression<Func<T, bool>> expression);
-        ISugarQueryable<T, T2, T3> WhereIf(bool isWhere, Expression<Func<T, T2, bool>> expression);
-        ISugarQueryable<T, T2, T3> WhereIf(bool isWhere, Expression<Func<T, T2, T3, bool>> expression);
+        ISugarQueryable<T, T2, T3> WhereIF(bool isWhere, Expression<Func<T, bool>> expression);
+        ISugarQueryable<T, T2, T3> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression);
+        ISugarQueryable<T, T2, T3> WhereIF(bool isWhere, Expression<Func<T, T2, T3, bool>> expression);
         #endregion
 
         #region Select
@@ -152,10 +152,10 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4> Where(Expression<Func<T, T2, T3, bool>> expression);
         ISugarQueryable<T, T2, T3, T4> Where(Expression<Func<T, T2, T3, T4, bool>> expression);
 
-        new ISugarQueryable<T, T2, T3, T4> WhereIf(bool isWhere, Expression<Func<T, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4> WhereIf(bool isWhere, Expression<Func<T, T2, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4> WhereIf(bool isWhere, Expression<Func<T, T2, T3, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression);
+        new ISugarQueryable<T, T2, T3, T4> WhereIF(bool isWhere, Expression<Func<T, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4> WhereIF(bool isWhere, Expression<Func<T, T2, T3, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression);
         #endregion
 
         #region Select
@@ -188,11 +188,11 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4, T5> Where(Expression<Func<T, T2, T3, T4, T5, bool>> expression);
 
 
-        ISugarQueryable<T, T2, T3, T4, T5> WhereIf(bool isWhere, Expression<Func<T, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5> WhereIf(bool isWhere, Expression<Func<T, T2, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5> WhereIf(bool isWhere, Expression<Func<T, T2, T3, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5> WhereIF(bool isWhere, Expression<Func<T, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5> WhereIF(bool isWhere, Expression<Func<T, T2, T3, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression);
         #endregion
 
         #region Select
@@ -228,12 +228,12 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4, T5, T6> Where(Expression<Func<T, T2, T3, T4, T5, bool>> expression);
         ISugarQueryable<T, T2, T3, T4, T5, T6> Where(Expression<Func<T, T2, T3, T4, T5, T6, bool>> expression);
 
-        ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIf(bool isWhere, Expression<Func<T, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIf(bool isWhere, Expression<Func<T, T2, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIf(bool isWhere, Expression<Func<T, T2, T3, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, T2, T3, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, bool>> expression);
         #endregion
 
         #region Select
@@ -273,13 +273,13 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7> Where(Expression<Func<T, T2, T3, T4, T5, T6, bool>> expression);
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7> Where(Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> expression);
 
-        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIf(bool isWhere, Expression<Func<T, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIf(bool isWhere, Expression<Func<T, T2, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIf(bool isWhere, Expression<Func<T, T2, T3, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, T2, T3, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> expression);
         #endregion
 
         #region Select
@@ -323,14 +323,14 @@ namespace SqlSugar
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> Where(Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> expression);
         ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> Where(Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> expression);
 
-        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, T2, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, T2, T3, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> expression);
-        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIf(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, T2, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, T2, T3, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, T7, bool>> expression);
+        ISugarQueryable<T, T2, T3, T4, T5, T6, T7, T8> WhereIF(bool isWhere, Expression<Func<T, T2, T3, T4, T5, T6, T7, T8, bool>> expression);
         #endregion                              
 
         #region Select
diff --git a/Src/Asp.Net/SqlSugar/Properties/AssemblyInfo.cs b/Src/Asp.Net/SqlSugar/Properties/AssemblyInfo.cs
index 1915ce28c..8ef16d344 100644
--- a/Src/Asp.Net/SqlSugar/Properties/AssemblyInfo.cs
+++ b/Src/Asp.Net/SqlSugar/Properties/AssemblyInfo.cs
@@ -31,5 +31,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("4.1.0.3")]
-[assembly: AssemblyFileVersion("4.1.0.3")]
+[assembly: AssemblyVersion("4.1.0.4")]
+[assembly: AssemblyFileVersion("4.1.0.4")]
diff --git a/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/SqlSugarForCore.nuspec b/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/SqlSugarForCore.nuspec
index 0b15b2c38..609b4c2db 100644
--- a/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/SqlSugarForCore.nuspec
+++ b/Src/Asp.NetCore/SqlServerTest/src/SqlSugar/SqlSugarForCore.nuspec
@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>sqlSugarCore</id>
-    <version>4.1.0.2</version>
+    <version>4.1.0.3</version>
     <authors>sunkaixuan</authors>
     <owners>Landa</owners>
     <licenseUrl>http://www.apache.org/licenses/LICENSE-2.0.html</licenseUrl>