diff --git a/.travis.yml b/.travis.yml
index e7228e3..5202cd9 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,6 +12,7 @@ before_install:
 install:
 - go get
 - go build
+- go build github.com/mattn/goveralls
 script:
 - make test
 - make ci-test
diff --git a/costesting/ci_test.go b/costesting/ci_test.go
index e2ecdda..7176067 100644
--- a/costesting/ci_test.go
+++ b/costesting/ci_test.go
@@ -6,8 +6,7 @@ import (
 	"fmt"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/suite"
-	"github.com/tencentyun/cos-go-sdk-v5"
-	"github.com/tencentyun/cos-go-sdk-v5/debug"
+	"github.com/toranger/cos-go-sdk-v5"
 	"io/ioutil"
 	"math/rand"
 	"net/http"
@@ -70,12 +69,6 @@ func (s *CosTestSuite) SetupSuite() {
 		Transport: &cos.AuthorizationTransport{
 			SecretID:  os.Getenv("COS_SECRETID"),
 			SecretKey: os.Getenv("COS_SECRETKEY"),
-			Transport: &debug.DebugRequestTransport{
-			// RequestHeader: true,
-			// RequestBody:    true,
-			// ResponseHeader: true,
-			// ResponseBody:   true,
-			},
 		},
 	})