diff --git a/.travis.yml b/.travis.yml
index b736e73b..980f67ac 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ before_install:
   - go get github.com/mattn/goveralls
 
 script:
+    - go test github.com/v2ray/v2ray-core/...
     - ./testing/coverage/coverall
 
 env:
diff --git a/testing/coverage/coverall b/testing/coverage/coverall
index 48dd8640..03d94643 100755
--- a/testing/coverage/coverall
+++ b/testing/coverage/coverall
@@ -20,6 +20,7 @@ function test_package {
 touch coverall.out
 
 test_package "common/net" "common/net"
+test_package "common/collect" "common/collect"
 test_package "config/json" "config/json"
 test_package "proxy/socks" "proxy/socks,proxy/socks/protocol"
 test_package "proxy/socks/protocol" "proxy/socks/protocol"