diff --git a/.drone.yml b/.drone.yml
index 06ff262..0e2b5b7 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -18,6 +18,9 @@ steps:
   - npm config set registry https://registry.npm.taobao.org
   - npm ci
   - npm run release-lab
+  when:
+    branch:
+    - master
 
 volumes:
 - name: publish