adjust again

README.md

@@ -4,7 +4,7 @@
 [![Build Status](https://app.travis-ci.com/viney-shih/go-cache.svg?branch=master)](https://app.travis-ci.com/viney-shih/go-cache)
 [![Go Report Card](https://goreportcard.com/badge/github.com/viney-shih/go-cache)](https://goreportcard.com/report/github.com/viney-shih/go-cache)
 [![codecov](https://codecov.io/gh/viney-shih/go-cache/branch/master/graph/badge.svg?token=QKRiNSU5Gn)](https://codecov.io/gh/viney-shih/go-cache)
-[![Coverage Status](https://coveralls.io/repos/github/viney-shih/go-cache/badge.svg?branch=master)](https://coveralls.io/repos/github/viney-shih/go-cache/badge.svg?branch=master)
+[![Coverage Status](https://coveralls.io/repos/github/viney-shih/go-cache/badge.svg?branch=master)](https://coveralls.io/github/viney-shih/go-cache?branch=master)
 [![License](http:https://img.shields.io/badge/License-Apache_2-red.svg?style=flat)](http:https://www.apache.org/licenses/LICENSE-2.0)
 
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