Add timezone in travis ci

.travis.yml

@@ -5,6 +5,11 @@ branches:
   only:
     - master
 
+before_install:
+  - export TZ=Asia/Shanghai
+
+script: npm run build; [ -d dist/public ]
+
 before_deploy:
   # Add tag if missing
   - if [ -z "$TRAVIS_TAG" ]; then export TRAVIS_TAG=$(date +'%Y%m%d'); git tag -f $TRAVIS_TAG; fi
@@ -14,8 +19,6 @@ before_deploy:
   - cp INSTALL.md dist
   - zip -r dist.zip dist
 
-script: npm run build; [ -d dist/public ]
-
 deploy:
   provider: releases
   api_key: $GITHUB_OAUTH_TOKEN