优化流水线配置文件

.drone.yml

@@ -9,7 +9,16 @@ server:
   ssh_key:
     from_secret: ssh-key
 
+when:
+  branch:
+    - main
+  event:
+    - merge_request
+
 steps:
-- name: greeting
+  - name: greeting
-  commands:
+    commands:
-  - echo hello world
+      - echo "Starting deployment..."
+      - cd /www/homepage
+      - git pull origin main
+      - echo "Deployment completed."