diff --git a/backend/domain/memory/database/internal/convertor/types.go b/backend/domain/memory/database/internal/convertor/types.go
index f623fd9c..e999bb29 100644
--- a/backend/domain/memory/database/internal/convertor/types.go
+++ b/backend/domain/memory/database/internal/convertor/types.go
@@ -33,7 +33,7 @@ const (
 func SwitchToDataType(itemType table.FieldItemType) entity.DataType {
 	switch itemType {
 	case table.FieldItemType_Text:
-		return entity.TypeVarchar
+		return entity.TypeText
 	case table.FieldItemType_Number:
 		return entity.TypeBigInt
 	case table.FieldItemType_Date:
diff --git a/backend/infra/impl/rdb/mysql.go b/backend/infra/impl/rdb/mysql.go
index e462e0f4..ca971b9d 100644
--- a/backend/infra/impl/rdb/mysql.go
+++ b/backend/infra/impl/rdb/mysql.go
@@ -64,6 +64,8 @@ func (m *mysqlService) CreateTable(ctx context.Context, req *rdb.CreateTableRequ
 		if col.DefaultValue != nil {
 			if col.DataType == entity2.TypeTimestamp {
 				colDef += fmt.Sprintf(" DEFAULT %s", *col.DefaultValue)
+			} else if col.DataType == entity2.TypeText {
+				// do nothing
 			} else {
 				colDef += fmt.Sprintf(" DEFAULT '%s'", *col.DefaultValue)
 			}