diff --git a/.drone.yml b/.drone.yml
index 4d61bbd..414d6d1 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -75,7 +75,6 @@ steps:
     commands:
       - npm config set registry https://registry.npm.taobao.org
       - npm config set sass_binary_site https://npm.taobao.org/mirrors/node-sass/
-      - npm install bcrypt
       - cd ./src/base_mobile_map_sdk
       - npm install
       - cd ../../