diff --git a/.travis.yml b/.travis.yml
index 567a4ff58e..5038789e78 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,11 @@
 language: python
 
+cache:
+  directories:
+    - $HOME/.cache/pip
+before_cache:
+  - rm -f $HOME/.cache/pip/log/debug.log
+
 env:
   global:
     - CCNET_CONF_DIR=/tmp/ccnet SEAFILE_CONF_DIR=/tmp/seafile-data
@@ -29,10 +35,10 @@ script:
 
 after_success:
   # notify seafile-docs to rebuild if current branch(6.3) is updated
-  - test $TRAVIS_PULL_REQUEST != "false" && test $TRAVIS_BRANCH = "6.3" && .travis/rebuild-branches.sh
+  - test $TRAVIS_PULL_REQUEST = "false" && test $TRAVIS_BRANCH = "6.3" && .travis/rebuild-branches.sh
 
   # making dist assets if current branch(master/6.3/6.2) is updated
-  - test $TRAVIS_PULL_REQUEST != "false" && .travis/dist_and_push.sh
+  - test $TRAVIS_PULL_REQUEST = "false" && .travis/dist_and_push.sh
 
 after_failure: true
 
diff --git a/.travis/rebuild-branches.sh b/.travis/rebuild-branches.sh
index a585bdc636..ecc034a426 100755
--- a/.travis/rebuild-branches.sh
+++ b/.travis/rebuild-branches.sh
@@ -9,6 +9,6 @@ curl -s -X POST \
    -H "Content-Type: application/json" \
    -H "Accept: application/json" \
    -H "Travis-API-Version: 3" \
-   -H "Authorization: ${TRAVIS_API_ACCESS_TOKEN}" \
+   -H "Authorization: token ${TRAVIS_API_ACCESS_TOKEN}" \
    -d "$body" \
    https://api.travis-ci.org/repo/haiwen%2Fseahub/requests