diff --git a/scan.go b/scan.go
index fa1b4caa..f28440a3 100644
--- a/scan.go
+++ b/scan.go
@@ -57,7 +57,7 @@ func (db *DB) scanIntoStruct(sch *schema.Schema, rows *sql.Rows, reflectValue re
 		} else if field := sch.LookUpField(column); field != nil && field.Readable {
 			values[idx] = field.NewScanValue()
 			defer field.ReleaseScanValue(values[idx])
-		} else if names := strings.Split(column, "__"); len(names) > 2 {
+		} else if names := strings.Split(column, "__"); len(names) > 1 {
 			if rel, ok := sch.Relationships.Relations[names[0]]; ok {
 				if field := rel.FieldSchema.LookUpField(strings.Join(names[1:], "__")); field != nil && field.Readable {
 					values[idx] = field.NewScanValue()
diff --git a/schema/field.go b/schema/field.go
index 7ecf0761..9cd840cb 100644
--- a/schema/field.go
+++ b/schema/field.go
@@ -424,9 +424,6 @@ var (
 	bytesPoolReleaser = func(v interface{}) {
 		bs := v.(*[]byte)
 		*bs = (*bs)[:0]
-		if string(*bs) != "" {
-			fmt.Println(string(*bs))
-		}
 		bytesPool.Put(bs)
 	}
 )
@@ -434,8 +431,8 @@ var (
 // create valuer, setter when parse struct
 func (field *Field) setupValuerAndSetter() {
 	// Setup NewScanValue
-	switch field.DataType {
-	case Bytes, String:
+	switch field.IndirectFieldType.Kind() {
+	case reflect.String:
 		field.NewScanValue = bytesPool.Get
 		field.ReleaseScanValue = bytesPoolReleaser
 	default: