diff --git a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
index ac3418885..570bb47c5 100644
--- a/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
+++ b/Src/Asp.Net/SqlServerTest/SqlServerTest.csproj
@@ -79,6 +79,7 @@
     <Compile Include="Models\ViewOrder.cs" />
     <Compile Include="UnitTest\Test01.cs" />
     <Compile Include="UnitTest\UEnum.cs" />
+    <Compile Include="UnitTest\UFilter.cs" />
     <Compile Include="UnitTest\UInsert.cs" />
     <Compile Include="UnitTest\UQueryable2.cs" />
     <Compile Include="UnitTest\UQueue.cs" />
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs b/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
index 086587078..28814164c 100644
--- a/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/Main.cs
@@ -31,6 +31,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            Filter();
             Insert();
             Enum();
             Tran();
diff --git a/Src/Asp.Net/SqlServerTest/UnitTest/UFilter.cs b/Src/Asp.Net/SqlServerTest/UnitTest/UFilter.cs
new file mode 100644
index 000000000..af789f914
--- /dev/null
+++ b/Src/Asp.Net/SqlServerTest/UnitTest/UFilter.cs
@@ -0,0 +1,91 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest 
+{
+    public partial class NewUnitTest
+    {
+        public static void Filter()
+        {
+            var db = Db;
+            db.QueryFilter.Add(new SqlSugar.TableFilterItem<UnitFilterClass1>(it=>it.id>0));
+
+            var s1=db.Queryable<Order>().ToSql();
+            if (s1.Key.Contains(">"))
+            {
+                throw new Exception("UnitFilter");
+            }
+            var s4 = db.Queryable<Order, OrderItem>((o, i) => i.OrderId == o.Id).Select("o.*").ToSql();
+            if (s4.Key.Contains(">"))
+            {
+                throw new Exception("UnitFilter");
+            }
+
+            var s5 = db.Queryable<Order, OrderItem>((o, i) => new JoinQueryInfos(JoinType.Left, o.Id == i.OrderId))
+                .Select("o.*").ToSql();
+            if (s5.Key.Contains(">"))
+            {
+                throw new Exception("UnitFilter");
+            }
+
+
+            var s2 = db.Queryable<UnitFilterClass1>().ToSql();
+            UValidate.Check(s2.Key, 
+            @"SELECT [id],[name] FROM [UnitFilterClass1]  WHERE ( [id] > @id0 )", "UnitFilter");
+
+            var s3= db.Queryable<UnitFilterClass1>().Where(it=>it.name!=null).ToSql();
+            UValidate.Check(s3.Key,
+            @"SELECT [id],[name] FROM [UnitFilterClass1]  WHERE ( [name] IS NOT NULL )  AND ( [id] > @id1 )", "UnitFilter");
+
+
+
+            var s6 = db.Queryable<UnitFilterClass1, UnitFilterClass2>((o, i) => i.id == o.id).Select("o.*").ToSql();
+            UValidate.Check(s6.Key, "SELECT o.* FROM [UnitFilterClass1] o  ,[UnitFilterClass2]  i  WHERE ( [i].[id] = [o].[id] )  AND ( [o].[id] > @id0 )", "UnitFilter");
+
+            var s7 = db.Queryable<UnitFilterClass1, UnitFilterClass2>((o, i) => i.id == o.id).Where(o=>o.id==1).Select("o.*").ToSql();
+            UValidate.Check(s7.Key, "SELECT o.* FROM [UnitFilterClass1] o  ,[UnitFilterClass2]  i  WHERE ( [i].[id] = [o].[id] )  AND ( [o].[id] = @id0 )  AND ( [o].[id] > @id1 )", "UnitFilter");
+
+            var s8 = db.Queryable<UnitFilterClass2, UnitFilterClass1>((o, i) => i.id == o.id).Where(o => o.id == 1).Select("o.*").ToSql();
+            UValidate.Check(s8.Key, "SELECT o.* FROM [UnitFilterClass2] o  ,[UnitFilterClass1]  i  WHERE ( [i].[id] = [o].[id] )  AND ( [o].[id] = @id0 )  AND ( [i].[id] > @id1 )", "UnitFilter");
+
+
+            var s9 = db.Queryable<UnitFilterClass1, UnitFilterClass2>((o, i) => new JoinQueryInfos(JoinType.Left, o.id == i.id))
+             .Select("o.*").ToSql();
+            UValidate.Check(s9.Key, "SELECT o.* FROM [UnitFilterClass1] o Left JOIN [UnitFilterClass2] i ON ( [o].[id] = [i].[id] )   WHERE ( [o].[id] > @id0 )", "UnitFilter");
+
+
+            var s10= db.Queryable<UnitFilterClass1, UnitFilterClass2>((o, i) => new JoinQueryInfos(JoinType.Left, o.id == i.id))
+             .Where((o,i) =>i.id==0).Select("o.*").ToSql();
+            UValidate.Check(s10.Key, "SELECT o.* FROM [UnitFilterClass1] o Left JOIN [UnitFilterClass2] i ON ( [o].[id] = [i].[id] )   WHERE ( [i].[id] = @id0 )  AND ( [o].[id] > @id1 )", "UnitFilter");
+
+            var s11 = db.Queryable<UnitFilterClass2, UnitFilterClass1>((o, i) => new JoinQueryInfos(JoinType.Left, o.id == i.id))
+            .Select("o.*").ToSql();
+            UValidate.Check(s11.Key, "SELECT o.* FROM [UnitFilterClass2] o Left JOIN [UnitFilterClass1] i ON ( [o].[id] = [i].[id] )   WHERE ( [i].[id] > @id0 )", "UnitFilter");
+
+            db.QueryFilter.Add(new SqlSugar.TableFilterItem<UnitFilterClass2>(it => it.id==0));
+
+            var s12 = db.Queryable<UnitFilterClass2, UnitFilterClass1>((o, i) => new JoinQueryInfos(JoinType.Left, o.id == i.id))
+            .Select("o.*").ToSql();
+            UValidate.Check(s12.Key, "SELECT o.* FROM [UnitFilterClass2] o Left JOIN [UnitFilterClass1] i ON ( [o].[id] = [i].[id] )   WHERE ( [i].[id] > @id0 )  AND ( [o].[id] = @id1 )", "UnitFilter");
+
+            var s13 = db.Queryable<UnitFilterClass2, UnitFilterClass1>((o, i) => new JoinQueryInfos(JoinType.Left, o.id == i.id))
+            .Where(o=>o.name=="")
+                .Select("o.*").ToSql();
+            UValidate.Check(s13.Key, "SELECT o.* FROM [UnitFilterClass2] o Left JOIN [UnitFilterClass1] i ON ( [o].[id] = [i].[id] )   WHERE ( [o].[name] = @name0 )  AND ( [i].[id] > @id1 )  AND ( [o].[id] = @id2 )", "UnitFilter");
+        }
+        public class UnitFilterClass1
+        {
+            public int id { get; set; }
+            public string name { get; set; }
+        }
+        public class UnitFilterClass2
+        {
+            public int id { get; set; }
+            public string name { get; set; }
+        }
+    }
+}