diff --git a/dtmcli/dtmimp/trans_xa_base.go b/dtmcli/dtmimp/trans_xa_base.go
index 737f2a4..bdcdf60 100644
--- a/dtmcli/dtmimp/trans_xa_base.go
+++ b/dtmcli/dtmimp/trans_xa_base.go
@@ -18,7 +18,7 @@ type XaClientBase struct {
 	NotifyURL string
 }
 
-// HandleCallback 处理commit/rollback的回调
+// HandleCallback type of commit/rollback callback handler
 func (xc *XaClientBase) HandleCallback(gid string, branchID string, action string) error {
 	db, err := StandaloneDB(xc.Conf)
 	if err != nil {
@@ -28,7 +28,7 @@ func (xc *XaClientBase) HandleCallback(gid string, branchID string, action strin
 	xaID := gid + "-" + branchID
 	_, err = DBExec(db, GetDBSpecial().GetXaSQL(action, xaID))
 	if err != nil &&
-		(strings.Contains(err.Error(), "XAER_NOTA") || strings.Contains(err.Error(), "does not exist")) { // 重复commit/rollback同一个id，报这个错误，忽略
+		(strings.Contains(err.Error(), "XAER_NOTA") || strings.Contains(err.Error(), "does not exist")) { // Repeat commit/rollback with the same id, report this error, ignore
 		err = nil
 	}
 	return err