diff --git a/Src/Asp.NetCore2/PgSqlTest/UserTestCases/Main.cs b/Src/Asp.NetCore2/PgSqlTest/UserTestCases/Main.cs
index 7a13fbabe..3b5ed2d14 100644
--- a/Src/Asp.NetCore2/PgSqlTest/UserTestCases/Main.cs
+++ b/Src/Asp.NetCore2/PgSqlTest/UserTestCases/Main.cs
@@ -31,6 +31,7 @@ namespace OrmTest
         }
         public static void Init()
         {
+            UnitBulkMergeaa.Init();
             Unitadsfayasdfaaay.Init();
             Unitafdafas.Init();
             Unitadfaf2s.Init();
diff --git a/Src/Asp.NetCore2/PgSqlTest/UserTestCases/UnitBulkMergeaa.cs b/Src/Asp.NetCore2/PgSqlTest/UserTestCases/UnitBulkMergeaa.cs
new file mode 100644
index 000000000..f9aa4055b
--- /dev/null
+++ b/Src/Asp.NetCore2/PgSqlTest/UserTestCases/UnitBulkMergeaa.cs
@@ -0,0 +1,59 @@
+using SqlSugar;
+using System;
+using System.Data;
+namespace OrmTest
+{
+    public class UnitBulkMergeaa
+    {
+        public static void Init()
+        {
+            SqlSugarClient BDb = NewUnitTest.Db;
+            if (BDb.DbMaintenance.IsAnyTable("unittestaaa111",false)) 
+            {
+                BDb.DbMaintenance.DropTable("unittestaaa111");
+            }
+            BDb.Ado.ExecuteCommand(@"
+CREATE TABLE  ""unittestaaa111"" (
+
+id int8 NOT NULL,
+
+fk_id_1 int8 NULL,
+
+fk_id_2 int8 NULL,
+
+text_nullable_1 text NULL,
+
+CONSTRAINT check_test_fk_id CHECK ((((fk_id_1 IS NULL) AND (fk_id_2 IS NOT NULL)) OR ((fk_id_1 IS NOT NULL) AND (fk_id_2 IS NULL)))),
+
+CONSTRAINT test_pkey PRIMARY KEY (id)
+
+);");
+            var dt = new DataTable();
+            dt.TableName = "Test"; //设置表名
+            dt.Columns.Add(new DataColumn("id", typeof(int)));
+            dt.Columns.Add(new DataColumn("fk_id_1", typeof(int)));
+            dt.Columns.Add(new DataColumn("fk_id_2", typeof(int)));
+            dt.Columns.Add(new DataColumn("text_nullable_1", typeof(string))); 
+            var addRow = dt.NewRow(); addRow["id"] = 2; addRow["fk_id_1"] = DBNull.Value; addRow["fk_id_2"] = 2;
+            addRow["text_nullable_1"] = null;
+            dt.Rows.Add(addRow);//添加数据
+            BDb.Fastest<DataTable>().AS("unittestaaa111").BulkMerge(dt, new string[] { "id" }, false);
+        }
+    }
+    public class test
+    {
+        [SugarColumn(ColumnName = "id", IsPrimaryKey = true)]
+        public int Id { get; set; }
+
+        [SugarColumn(ColumnName = "fk_id_1")]
+        public int? Fk_id_1 { get; set; }
+
+        [SugarColumn(ColumnName = "fk_id_2")]
+        public int? Fk_id_2 { get; set; }
+
+        [SugarColumn(ColumnName = "text_nullable_1")]
+        public string? Text_nullable_1 { get; set; }
+
+
+    }
+}