update drone

.drone.yml

@@ -23,8 +23,9 @@ steps:
   settings:
     endpoint: http://dev.ccwin-in.com:3008
     path_style: true
-    bucket: default
+    bucket: jie-suan
     access_key: O222sbIaMKeGfeX18t8K 
     secret_key: 0LEOWfXSDnaLbIYGZfdKUxyi2kYIayx4YvdLTgcR
     source: build/publish/**/*
-    target: /jie-suan/bei-qi/publish
+    strip_prefix: build/publish/
+    target: /jie-suan/bei-qi/${DRONE_REPO_BRANCH}-${DRONE_COMMIT_SHA:0:8}