fix(travis): firebase deploy process by travis

.travis.yml

@@ -8,21 +8,19 @@ cache:
     - "~/.npm"
 notifications:
   email: false
-before_install:
-  - npm i -g firebase-tools
 install:
+  - npm i -g firebase-tools
   - npm install
-  - npm install semantic-release @semantic-release/git @semantic-release/changelog --no-save
 script:
   - npm run test
   - npm run build
-after_success:
-  - npm run travis-deploy-once "npm run semantic-release"
-  # - firebase deploy --only functions --token "${FIREBASE_TOKEN}"
 before_deploy:
   - npm install --prefix ./functions
 deploy:
   provider: firebase
   skip_cleanup: true
   on:
     branch: master
+after_deploy:
+  - npm install semantic-release @semantic-release/git @semantic-release/changelog --no-save
+  - npm run travis-deploy-once "npm run semantic-release"