diff --git a/.github/workflows/ut_check.yml b/.github/workflows/ut_check.yml
index 577f2f5..8021729 100644
--- a/.github/workflows/ut_check.yml
+++ b/.github/workflows/ut_check.yml
@@ -26,4 +26,5 @@ jobs:
       - name: Go test
         run: |
           export DEFAULT_EXCEPT_PKGS=e2e
-          go test -p 1 -cover $(go list ./... | grep -v -E $DEFAULT_EXCEPT_PKGS)
+          go test -p 1 -race -coverprofile=coverage.txt $(go list ./... | grep -v -E $DEFAULT_EXCEPT_PKGS)
+          bash <(curl -s https://codecov.io/bash)
diff --git a/README.md b/README.md
index c4632f6..1158a45 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,7 @@
 ![](https://github.com/qiniu/goc/workflows/ut-check/badge.svg)
 ![](https://github.com/qiniu/goc/workflows/style-check/badge.svg)
 ![](https://github.com/qiniu/goc/workflows/e2e%20test/badge.svg)
+[![codecov](https://codecov.io/gh/qiniu/goc/branch/master/graph/badge.svg)](https://codecov.io/gh/qiniu/goc)
 
 A Comprehensive Coverage Testing System for The Go Programming Language
 > **Note:**