diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e0c4df8..4cb6f16 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -56,6 +56,14 @@ jobs:
     - name: Display coverage report
       run: go tool cover -func=coverage.out
 
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v4
+      with:
+        file: ./coverage.out
+        flags: unittests
+        name: codecov-umbrella
+        fail_ci_if_error: false
+
     - name: Install Vue dependencies
       run: make vue-install
 
diff --git a/README.md b/README.md
index 78eaacd..cce5824 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,10 @@
 # SRS-SIP
 
+[![CI](https://github.com/ossrs/srs-sip/actions/workflows/ci.yml/badge.svg)](https://github.com/ossrs/srs-sip/actions/workflows/ci.yml)
+[![codecov](https://codecov.io/gh/ossrs/srs-sip/branch/main/graph/badge.svg)](https://codecov.io/gh/ossrs/srs-sip)
+[![Go Report Card](https://goreportcard.com/badge/github.com/ossrs/srs-sip)](https://goreportcard.com/report/github.com/ossrs/srs-sip)
+[![License](https://img.shields.io/github/license/ossrs/srs-sip)](https://github.com/ossrs/srs-sip/blob/main/LICENSE)
+
 ## Usage
 
 Pre-requisites:
@@ -24,6 +29,25 @@ Run the program:
 ./objs/srs-sip -c conf/config.yaml
 ```
 
+## Testing
+
+Run all tests:
+
+```bash
+go test -v ./pkg/...
+```
+
+Run tests with coverage:
+
+```bash
+go test ./pkg/... -coverprofile=coverage.out
+go tool cover -func=coverage.out
+```
+
+For more details, see [Testing Guide](docs/TESTING.md).
+
+## Docker
+
 Use docker
 ```
 docker run -id -p 1985:1985 -p 5060:5060 -p 8025:8025 -p 9000:9000 -p 5060:5060/udp -p 8000:8000/udp --name srs-sip --env CANDIDATE=your_ip ossrs/srs-sip:alpha