diff --git a/ui/src/components/workflow/workflow-editor/layout/top/toolbar.vue b/ui/src/components/workflow/workflow-editor/layout/top/toolbar.vue
index cbcf3ba143cb818713acab4428b970e0c371e993..9131e34aa595939127058e497a0d7f980296065e 100644
--- a/ui/src/components/workflow/workflow-editor/layout/top/toolbar.vue
+++ b/ui/src/components/workflow/workflow-editor/layout/top/toolbar.vue
@@ -186,7 +186,8 @@ export default defineComponent({
       goBack: async () => {
         const originData = workflowBackUp.data ? JSON.parse(workflowBackUp.data) : {};
         const targetData: any = graph.toJSON();
-        if (targetData.cells.length === 0) {
+        // 未编辑状态，cells.length===1 && ref === 'start'
+        if (targetData.cells.length === 1 && JSON.parse(targetData.cells[0].data).ref === 'start') {
           delete targetData.cells;
         }
         workflowTool.slimGraphData(originData);