diff --git a/deploy/ansible.yml b/deploy/ansible.yml
index 2df77e050..a0be3e6e6 100644
--- a/deploy/ansible.yml
+++ b/deploy/ansible.yml
@@ -9,6 +9,7 @@
         owner: ubuntu
         group: ubuntu
         mode: 0755
+        backup: yes
     - name: copy conf file to dest
       copy:
         src: ../conf/app.conf
@@ -16,5 +17,6 @@
         owner: ubuntu
         group: ubuntu
         mode: 0555
+        backup: yes
     - name: shell
       shell: cd /jxdata/jx-callback/conf && sed -i 's/runmode\s*=\s*.*/runmode = {{ runmode }}/' app.conf && sudo systemctl restart jx-callback