diff --git a/README.md b/README.md
index 0e73570..fc801d5 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 a opensource, asynchronized, napi-based, business friendly tuntap device driver addon for nodejs.
 
-[![Node.js CI](https://github.com/PupilTong/node-tuntap2/actions/workflows/node.js.yml/badge.svg)](https://github.com/PupilTong/node-tuntap2/actions/workflows/node.js.yml)
+[![Node.js CI](https://github.com/PupilTong/node-tuntap2/actions/workflows/node.js.yml/badge.svg?branch=main)](https://github.com/PupilTong/node-tuntap2/actions/workflows/node.js.yml)
 
 [![Node.js Package](https://github.com/PupilTong/node-tuntap2/actions/workflows/npm-publish.yml/badge.svg)](https://github.com/PupilTong/node-tuntap2/actions/workflows/npm-publish.yml)