diff --git a/Src/Asp.Net/PgSqlTest/PgSqlTest.csproj b/Src/Asp.Net/PgSqlTest/PgSqlTest.csproj
index 8721e0851..a96a30aa0 100644
--- a/Src/Asp.Net/PgSqlTest/PgSqlTest.csproj
+++ b/Src/Asp.Net/PgSqlTest/PgSqlTest.csproj
@@ -103,6 +103,7 @@
     <Compile Include="Models\Tree.cs" />
     <Compile Include="Models\ViewOrder.cs" />
     <Compile Include="Config.cs" />
+    <Compile Include="UnitTest\CrossDatabase02.cs" />
     <Compile Include="UnitTest\UinitCustomConvert.cs" />
     <Compile Include="UnitTest\UInsert3.cs" />
     <Compile Include="UnitTest\ULock.cs" />
diff --git a/Src/Asp.Net/PgSqlTest/UnitTest/CrossDatabase02.cs b/Src/Asp.Net/PgSqlTest/UnitTest/CrossDatabase02.cs
new file mode 100644
index 000000000..9bcc8ebf7
--- /dev/null
+++ b/Src/Asp.Net/PgSqlTest/UnitTest/CrossDatabase02.cs
@@ -0,0 +1,83 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using SqlSugar;
+ 
+
+namespace OrmTest
+{
+    public class CrossDatabase02
+    {
+        public static void Init()
+        {
+
+            var db = new SqlSugarClient(new List<ConnectionConfig>()
+            {
+                new ConnectionConfig(){ConfigId="A",DbType=DbType.PostgreSQL,ConnectionString=Config.ConnectionString,IsAutoCloseConnection=true},
+                new ConnectionConfig(){ConfigId="B",DbType=DbType.PostgreSQL,DbLinkName="public",ConnectionString=Config.ConnectionString,IsAutoCloseConnection=true  },
+               
+            });
+
+            db.Aop.OnLogExecuting = (x, y) => Console.WriteLine(UtilMethods.GetNativeSql(x,y));
+
+            db.GetConnection("A").CodeFirst.InitTables<OptRole>();
+            db.GetConnection("B").CodeFirst.InitTables<Role>(); 
+
+            db.GetConnection("A").DbMaintenance.TruncateTable<OptRole>();
+            db.GetConnection("B").DbMaintenance.TruncateTable<Role>(); 
+
+         
+            var x3 = db.QueryableWithAttr<OptRole>()
+                .LeftJoin<Role>((x1, y1) => x1.roleId == y1.id).ToList();
+ 
+        }
+       
+
+        /// <summary>
+        /// 描述：
+        /// 作者：synjones
+        /// 时间：2022-04-20 21:30:28
+        /// </summary>
+        [SugarTable("unit_role18")]
+        [Tenant("B")]
+        public partial class Role
+        {
+            /// <summary>
+            /// 角色
+            /// </summary>
+            [SugarColumn(IsPrimaryKey = true )]
+            public int id { get; set; }
+
+            /// <summary>
+            /// 角色名称
+            /// </summary>
+            public string name { get; set; }
+ 
+        }
+ 
+
+        /// <summary>
+        /// 描述：
+        /// 作者：synjones
+        /// 时间：2022-04-21 14:35:09
+        /// </summary>
+        [SugarTable("unit_operator_role8")]
+        [Tenant("A")]
+        public partial class OptRole
+        {
+            /// <summary>
+            /// 
+            /// </summary>
+            [SugarColumn(IsPrimaryKey = true)]
+            public int id { get; set; }
+
+            /// <summary>
+            /// 
+            /// </summary>
+            public int operId { get; set; }
+            public int  roleId { get; set; }
+
+        }
+    }
+}
diff --git a/Src/Asp.Net/PgSqlTest/UnitTest/Main.cs b/Src/Asp.Net/PgSqlTest/UnitTest/Main.cs
index 7feefe15b..e4dc0821e 100644
--- a/Src/Asp.Net/PgSqlTest/UnitTest/Main.cs
+++ b/Src/Asp.Net/PgSqlTest/UnitTest/Main.cs
@@ -31,6 +31,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            CrossDatabase02.Init();
             UinitCustomConvert.Init();
             ULock.Init();
             UInsert3.Init();