diff --git a/routers/repo/modelarts.go b/routers/repo/modelarts.go
index ee957db66..083bce92d 100755
--- a/routers/repo/modelarts.go
+++ b/routers/repo/modelarts.go
@@ -346,6 +346,9 @@ 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 {
+				continue
+			}
 			name = datasetnameList[i]
 			isDelete = true
 		} else {