继续解决Bug

Signed-off-by: zouap <zouap@pcl.ac.cn>

routers/repo/modelarts.go

@@ -346,7 +346,7 @@ func GetCloudBrainDataSetInfo(uuid string, datasetname string, isNeedDown bool)
 		attachment, err := models.GetAttachmentByUUID(uuidStr)
 		if err != nil {
 			log.Error("GetAttachmentByUUID failed:%v", err.Error())
-			if len(datasetnameList) <= i {
+			if len(datasetnameList) <= i || len(datasetname) == 0 {
 				continue
 			}
 			name = datasetnameList[i]