diff --git a/Src/Asp.Net/MySqlTest/MySqlTest.csproj b/Src/Asp.Net/MySqlTest/MySqlTest.csproj
index 697b7674d..9d84c82c0 100644
--- a/Src/Asp.Net/MySqlTest/MySqlTest.csproj
+++ b/Src/Asp.Net/MySqlTest/MySqlTest.csproj
@@ -138,6 +138,7 @@
     <Compile Include="UnitTest\UInsert3.cs" />
     <Compile Include="UnitTest\UnitCustom01.cs" />
     <Compile Include="UnitTest\UnitSameKeyBug.cs" />
+    <Compile Include="UnitTest\UnitSqlFunc.cs" />
     <Compile Include="UnitTest\UnitSubToList.cs" />
     <Compile Include="UnitTest\UnitSubToList001.cs" />
     <Compile Include="UnitTest\UnitTestReturnPkList.cs" />
diff --git a/Src/Asp.Net/MySqlTest/UnitTest/UnitSqlFunc.cs b/Src/Asp.Net/MySqlTest/UnitTest/UnitSqlFunc.cs
new file mode 100644
index 000000000..5dd7a4610
--- /dev/null
+++ b/Src/Asp.Net/MySqlTest/UnitTest/UnitSqlFunc.cs
@@ -0,0 +1,87 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest 
+{
+    public class UnitSqlFunc
+    {
+        public static void Init()
+        {
+            var db = NewUnitTest.Db;
+            db.DbMaintenance.TruncateTable<Order>();
+            db.Insertable(new Order() { Name = "a,b,c,aa,bb,cc" }).ExecuteCommand();
+            db.Insertable(new Order() { Name = "e,a,c" }).ExecuteCommand();
+            db.Insertable(new Order() { Name = "zac" }).ExecuteCommand();
+            db.Insertable(new Order() { Name = "ab,az,ad" }).ExecuteCommand();
+            NewMethod(db);
+            NewMethod1(db);
+            NewMethod2(db);
+            NewMethod3(db);
+            NewMethod4(db);
+            NewMethod5(db);
+            NewMethod6(db);
+        }
+
+        private static void NewMethod1(SqlSugarClient db)
+        {
+            var count = db.Queryable<Order>().Where(it => SqlFunc.SplitIn(it.Name, "a")).Count();
+            if (count != 2)
+            {
+                throw new Exception("unit error");
+            }
+        }
+
+        private static void NewMethod(SqlSugarClient db)
+        {
+            var count2 = db.Queryable<Order>().Where(it => SqlFunc.SplitIn(it.Name, "c")).Count();
+            if (count2 != 2)
+            {
+                throw new Exception("unit error");
+            }
+        }
+        private static void NewMethod2(SqlSugarClient db)
+        {
+            var count2 = db.Queryable<Order>().Where(it => SqlFunc.SplitIn(it.Name, "az")).Count();
+            if (count2 != 1)
+            {
+                throw new Exception("unit error");
+            }
+        }
+        private static void NewMethod3(SqlSugarClient db)
+        {
+            var count2 = db.Queryable<Order>().Where(it => SqlFunc.SplitIn(it.Name, "ab")).Count();
+            if (count2 != 1)
+            {
+                throw new Exception("unit error");
+            }
+        }
+        private static void NewMethod4(SqlSugarClient db)
+        {
+            var count2 = db.Queryable<Order>().Where(it => SqlFunc.SplitIn(it.Name, "ad")).Count();
+            if (count2 != 1)
+            {
+                throw new Exception("unit error");
+            }
+        }
+        private static void NewMethod5(SqlSugarClient db)
+        {
+            var count2 = db.Queryable<Order>().Where(it => SqlFunc.SplitIn(it.Name, "z")).Count();
+            if (count2 != 0)
+            {
+                throw new Exception("unit error");
+            }
+        }
+        private static void NewMethod6(SqlSugarClient db)
+        {
+            var count2 = db.Queryable<Order>().Where(it => SqlFunc.SplitIn(it.Name, "zac")).Count();
+            if (count2 != 1)
+            {
+                throw new Exception("unit error");
+            }
+        }
+    }
+}
diff --git a/Src/Asp.Net/PgSqlTest/PgSqlTest.csproj b/Src/Asp.Net/PgSqlTest/PgSqlTest.csproj
index 3d4e04b5a..5094f9486 100644
--- a/Src/Asp.Net/PgSqlTest/PgSqlTest.csproj
+++ b/Src/Asp.Net/PgSqlTest/PgSqlTest.csproj
@@ -119,6 +119,7 @@
     <Compile Include="UnitTest\UCustom014.cs" />
     <Compile Include="UnitTest\UCustom015.cs" />
     <Compile Include="UnitTest\UCustom016.cs" />
+    <Compile Include="UnitTest\UnitSqlFunc.cs" />
     <Compile Include="UnitTest\UnitSubToList.cs" />
     <Compile Include="UnitTest\UnitTestReturnPkList.cs" />
     <Compile Include="UnitTest\USave.cs" />
diff --git a/Src/Asp.Net/PgSqlTest/UnitTest/UnitSqlFunc.cs b/Src/Asp.Net/PgSqlTest/UnitTest/UnitSqlFunc.cs
new file mode 100644
index 000000000..5dd7a4610
--- /dev/null
+++ b/Src/Asp.Net/PgSqlTest/UnitTest/UnitSqlFunc.cs
@@ -0,0 +1,87 @@
+using SqlSugar;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace OrmTest 
+{
+    public class UnitSqlFunc
+    {
+        public static void Init()
+        {
+            var db = NewUnitTest.Db;
+            db.DbMaintenance.TruncateTable<Order>();
+            db.Insertable(new Order() { Name = "a,b,c,aa,bb,cc" }).ExecuteCommand();
+            db.Insertable(new Order() { Name = "e,a,c" }).ExecuteCommand();
+            db.Insertable(new Order() { Name = "zac" }).ExecuteCommand();
+            db.Insertable(new Order() { Name = "ab,az,ad" }).ExecuteCommand();
+            NewMethod(db);
+            NewMethod1(db);
+            NewMethod2(db);
+            NewMethod3(db);
+            NewMethod4(db);
+            NewMethod5(db);
+            NewMethod6(db);
+        }
+
+        private static void NewMethod1(SqlSugarClient db)
+        {
+            var count = db.Queryable<Order>().Where(it => SqlFunc.SplitIn(it.Name, "a")).Count();
+            if (count != 2)
+            {
+                throw new Exception("unit error");
+            }
+        }
+
+        private static void NewMethod(SqlSugarClient db)
+        {
+            var count2 = db.Queryable<Order>().Where(it => SqlFunc.SplitIn(it.Name, "c")).Count();
+            if (count2 != 2)
+            {
+                throw new Exception("unit error");
+            }
+        }
+        private static void NewMethod2(SqlSugarClient db)
+        {
+            var count2 = db.Queryable<Order>().Where(it => SqlFunc.SplitIn(it.Name, "az")).Count();
+            if (count2 != 1)
+            {
+                throw new Exception("unit error");
+            }
+        }
+        private static void NewMethod3(SqlSugarClient db)
+        {
+            var count2 = db.Queryable<Order>().Where(it => SqlFunc.SplitIn(it.Name, "ab")).Count();
+            if (count2 != 1)
+            {
+                throw new Exception("unit error");
+            }
+        }
+        private static void NewMethod4(SqlSugarClient db)
+        {
+            var count2 = db.Queryable<Order>().Where(it => SqlFunc.SplitIn(it.Name, "ad")).Count();
+            if (count2 != 1)
+            {
+                throw new Exception("unit error");
+            }
+        }
+        private static void NewMethod5(SqlSugarClient db)
+        {
+            var count2 = db.Queryable<Order>().Where(it => SqlFunc.SplitIn(it.Name, "z")).Count();
+            if (count2 != 0)
+            {
+                throw new Exception("unit error");
+            }
+        }
+        private static void NewMethod6(SqlSugarClient db)
+        {
+            var count2 = db.Queryable<Order>().Where(it => SqlFunc.SplitIn(it.Name, "zac")).Count();
+            if (count2 != 1)
+            {
+                throw new Exception("unit error");
+            }
+        }
+    }
+}