fix bug

Signed-off-by: jagger <cossjie@foxmail.com>

Former-commit-id: 35f7cdd6445c7509399141af92dd8bb49a58413e

api/internal/logic/schedule/schedulegetdatasetslogic.go

@@ -2,6 +2,7 @@ package schedule
 
 import (
 	"context"
+	"github.com/pkg/errors"
 	"gitlink.org.cn/JointCloud/pcm-coordinator/api/internal/storeLink"
 
 	"gitlink.org.cn/JointCloud/pcm-coordinator/api/internal/svc"
@@ -28,7 +29,8 @@ func (l *ScheduleGetDatasetsLogic) ScheduleGetDatasets(req *types.AiDatasetsReq)
 	resp = &types.AiDatasetsResp{}
 	names, err := storeLink.GetDatasetsNames(l.ctx, l.svcCtx.Scheduler.AiService.AiCollectorAdapterMap[req.AdapterId])
 	if err != nil {
-		return nil, err
+		logx.Errorf("GetDatasetsNames err: %v", err)
+		return nil, errors.New("网络异常，请稍后重试.")
 	}
 	resp.Datasets = names
 	return resp, nil