diff --git a/README.md b/README.md
index 848e5028adc2d0c85c5b1f94fc072e4491e197f3..04f433b2bc022d367bdde624730363bf6257c16d 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@ Sky Walking | [中文](README_ZH.md)
 **SkyWalking 3**: APM for Distributed Systems, also known Distributed Tracing System. 
 
 [![Build Status](https://travis-ci.org/OpenSkywalking/skywalking.svg?branch=master)](https://travis-ci.org/OpenSkywalking/skywalking)
-[![Coverage Status](https://coveralls.io/repos/github/OpenSkywalking/skywalking/badge.svg?branch=master&forceUpdate=2)](https://coveralls.io/github/OpenSkywalking/skywalking?branch=master)
+[![Coverage Status](https://coveralls.io/repos/github/OpenSkywalking/skywalking/badge.svg?branch=master&forceUpdate=3)](https://coveralls.io/github/OpenSkywalking/skywalking?branch=master)
 [![Join the chat at https://gitter.im/sky-walking/Lobby](https://badges.gitter.im/openskywalking/Lobby.svg)](https://gitter.im/openskywalking/Lobby)
 [![OpenTracing-1.x Badge](https://img.shields.io/badge/OpenTracing--1.x-enabled-blue.svg)](http://opentracing.io)
 
diff --git a/README_ZH.md b/README_ZH.md
index fcb7187b287eb5f09c37aeddf95b8cacbb949d1a..aa9cc7862e52f957f4a3a55fc02e76c0492c44ea 100644
--- a/README_ZH.md
+++ b/README_ZH.md
@@ -6,7 +6,7 @@ Sky Walking | [English](README.md)
 **SkyWalking 3**: 针对分布式系统的APM系统，也被称为分布式追踪系统
 
 [![Build Status](https://travis-ci.org/OpenSkywalking/skywalking.svg?branch=master)](https://travis-ci.org/OpenSkywalking/skywalking)
-[![Coverage Status](https://coveralls.io/repos/github/OpenSkywalking/skywalking/badge.svg?branch=master&forceUpdate=2)](https://coveralls.io/github/OpenSkywalking/skywalking?branch=master)
+[![Coverage Status](https://coveralls.io/repos/github/OpenSkywalking/skywalking/badge.svg?branch=master&forceUpdate=3)](https://coveralls.io/github/OpenSkywalking/skywalking?branch=master)
 [![Join the chat at https://gitter.im/openskywalking/Lobby](https://badges.gitter.im/openskywalking/Lobby.svg)](https://gitter.im/openskywalking/Lobby)
 [![OpenTracing-1.x Badge](https://img.shields.io/badge/OpenTracing--1.x-enabled-blue.svg)](http://opentracing.io)