diff --git a/routers/repo/modelarts.go b/routers/repo/modelarts.go
index 9b987b440..e1d79ecbd 100755
--- a/routers/repo/modelarts.go
+++ b/routers/repo/modelarts.go
@@ -220,17 +220,18 @@ func Notebook2Create(ctx *context.Context, form auth.CreateModelArtsNotebookForm
 	}
 
 	var datasetInfos map[string]models.DatasetInfo
+	var attachSize int
 	if uuid != "" {
 		datasetInfos, _, err = models.GetDatasetInfo(uuid)
 		for _, infos := range datasetInfos {
-			if infos.Size > int(setting.DebugAttachSize  * 1024 * 1024 * 1024) {
-				log.Error("The DatasetSize exceeds the limit (%d)", int(setting.DebugAttachSize)) //GB
-				notebookNewDataPrepare(ctx)
-				ctx.RenderWithErr(ctx.Tr("cloudbrain.error.debug_datasetsize"), tplModelArtsNotebookNew, &form)
-				return
-			}
+			attachSize += infos.Size
+		}
+		if attachSize > int(setting.DebugAttachSize  * 1024 * 1024 * 1024) {
+			log.Error("The DatasetSize exceeds the limit (%d)", int(setting.DebugAttachSize)) //GB
+			notebookNewDataPrepare(ctx)
+			ctx.RenderWithErr(ctx.Tr("cloudbrain.error.debug_datasetsize"), tplModelArtsNotebookNew, &form)
+			return
 		}
-
 	}
 
 	var aiCenterCode = models.AICenterOfCloudBrainTwo