diff --git a/.travis.yml b/.travis.yml
index cbd9ae4..3870085 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,10 +1,19 @@
 language: java
+
 sudo: false # faster builds
 
+install: true
+
 jdk:
   - openjdk8
 
-script: "mvn cobertura:cobertura"
+notifications:
+  email: false
+
+script:
+  - export TZ=Asia/Shanghai
+  - mvn install -DskipTests=true -Dmaven.javadoc.skip=true -B -V
+  - mvn cobertura:cobertura -Dcobertura.report.format=xml -Dmaven.javadoc.skip.true
 
 after_success:
   - bash <(curl -s https://codecov.io/bash)