diff --git a/base_test.go b/base_test.go
index d2ea0606..b10643a4 100644
--- a/base_test.go
+++ b/base_test.go
@@ -3334,6 +3334,45 @@ func testCompositeKey(engine *Engine, t *testing.T) {
 	}
 }
 
+type Lowercase struct {
+	Id    int64
+	Name  string
+	ended int64 `xorm:"-"`
+}
+
+func testLowerCase(engine *Engine, t *testing.T) {
+	err := engine.Sync(&Lowercase{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	_, err = engine.Where("id > 0").Delete(&Lowercase{})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	_, err = engine.Insert(&Lowercase{ended: 1})
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	ls := make([]Lowercase, 0)
+	err = engine.Find(&ls)
+	if err != nil {
+		t.Error(err)
+		panic(err)
+	}
+
+	if len(ls) != 1 {
+		err = errors.New("should be 1")
+		t.Error(err)
+		panic(err)
+	}
+}
+
 func testAll(engine *Engine, t *testing.T) {
 	fmt.Println("-------------- directCreateTable --------------")
 	directCreateTable(engine, t)
@@ -3430,6 +3469,8 @@ func testAll2(engine *Engine, t *testing.T) {
 	testPrefixTableName(engine, t)
 	fmt.Println("-------------- testCreatedUpdated --------------")
 	testCreatedUpdated(engine, t)
+	fmt.Println("-------------- testLowercase ---------------")
+	testLowerCase(engine, t)
 	fmt.Println("-------------- processors --------------")
 	testProcessors(engine, t)
 	fmt.Println("-------------- transaction --------------")
@@ -3446,4 +3487,5 @@ func testAll3(engine *Engine, t *testing.T) {
 	testNullValue(engine, t)
 	fmt.Println("-------------- testCompositeKey --------------")
 	testCompositeKey(engine, t)
+
 }
diff --git a/session.go b/session.go
index 3840c721..9c0c4b22 100644
--- a/session.go
+++ b/session.go
@@ -2153,6 +2153,7 @@ func (session *Session) innerInsert(bean interface{}) (int64, error) {
 	}
 
 	colPlaces := strings.Repeat("?, ", len(colNames))
+	fmt.Println(colNames, args)
 	colPlaces = colPlaces[0 : len(colPlaces)-2]
 
 	sql := fmt.Sprintf("INSERT INTO %v%v%v (%v%v%v) VALUES (%v)",