diff --git a/playbook/merge_pet_online.yml b/playbook/merge_pet_online.yml
index 6c54f3c..abbf78f 100644
--- a/playbook/merge_pet_online.yml
+++ b/playbook/merge_pet_online.yml
@@ -26,7 +26,9 @@
       delegate_to: localhost
       run_once: true
 
-
+    - name: backup goleaf
+      shell: mv "{{goleaf_dest}}"/main "{{goleaf_dest}}"/main.bak
+      ignore_errors: yes
     - name: copy goleaf
       copy:
         src: "{{ goleaf_src }}"