fix openi inference error msg

internal/storeLink/openi.go

@@ -706,8 +706,8 @@ func (o OpenI) getTrainingTask(ctx context.Context, taskId string) (*model.TaskD
 		return nil, errors.New("failed to invoke taskDetails")
 	}
 
-	if resp.Data.Code != 0 {
-		return nil, errors.New(resp.Msg)
+	if resp.Data.Code != 0 && resp.Data.Msg != "" {
+		return nil, errors.New(resp.Data.Msg)
 	}
 
 	return &resp.Data, nil