diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 94bd3ad27..000000000
--- a/.travis.yml
+++ /dev/null
@@ -1,16 +0,0 @@
-language: go
-
-go:
-  - "1.13.x"
-
-env:
-  - GO111MODULE=on
-
-before_install:
-  - go get -v ./...
-
-script:
-  - go test -race -coverprofile=coverage.txt -covermode=atomic ./...
-
-after_success:
-  - bash <(curl -s https://codecov.io/bash)
diff --git a/README.md b/README.md
index 6e9fddc93..d08ccf641 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@
 LeetCode Problems' Solutions
 [[力扣](https://openset.github.io/categories/leetcode/) ∙ [话题分类](https://github.com/openset/leetcode/blob/master/tag/README.md)]
 
-[![Build Status](https://travis-ci.org/openset/leetcode.svg?branch=master)](https://travis-ci.org/openset/leetcode)
+[![Go](https://github.com/openset/leetcode/workflows/Go/badge.svg)](https://github.com/openset/leetcode/actions)
 [![codecov](https://codecov.io/gh/openset/leetcode/branch/master/graph/badge.svg)](https://codecov.io/gh/openset/leetcode)
 [![Go Report Card](https://goreportcard.com/badge/github.com/openset/leetcode)](https://goreportcard.com/report/github.com/openset/leetcode)
 [![GitHub contributors](https://img.shields.io/github/contributors/openset/leetcode.svg)](https://github.com/openset/leetcode/graphs/contributors)
diff --git a/internal/readme/readme.go b/internal/readme/readme.go
index 5bdb27a00..477ff952f 100644
--- a/internal/readme/readme.go
+++ b/internal/readme/readme.go
@@ -15,7 +15,7 @@ const defaultStr = `
 LeetCode Problems' Solutions
 [[力扣](https://openset.github.io/categories/leetcode/) ∙ [话题分类](https://github.com/openset/leetcode/blob/master/tag/README.md)]
 
-[![Build Status](https://travis-ci.org/openset/leetcode.svg?branch=master)](https://travis-ci.org/openset/leetcode)
+[![Go](https://github.com/openset/leetcode/workflows/Go/badge.svg)](https://github.com/openset/leetcode/actions)
 [![codecov](https://codecov.io/gh/openset/leetcode/branch/master/graph/badge.svg)](https://codecov.io/gh/openset/leetcode)
 [![Go Report Card](https://goreportcard.com/badge/github.com/openset/leetcode)](https://goreportcard.com/report/github.com/openset/leetcode)
 [![GitHub contributors](https://img.shields.io/github/contributors/openset/leetcode.svg)](https://github.com/openset/leetcode/graphs/contributors)
diff --git a/internal/version/version.go b/internal/version/version.go
index 52e8aa506..4d6bf5511 100644
--- a/internal/version/version.go
+++ b/internal/version/version.go
@@ -8,7 +8,7 @@ import (
 	"github.com/openset/leetcode/internal/base"
 )
 
-const version = "1.6.3"
+const version = "1.6.4"
 
 // CmdVersion - version.CmdVersion
 var CmdVersion = &base.Command{
diff --git a/readme/1-300.md b/readme/1-300.md
index afacbba39..c989ede88 100644
--- a/readme/1-300.md
+++ b/readme/1-300.md
@@ -9,7 +9,7 @@
 LeetCode Problems' Solutions
 [[力扣](https://openset.github.io/categories/leetcode/) ∙ [话题分类](https://github.com/openset/leetcode/blob/master/tag/README.md)]
 
-[![Build Status](https://travis-ci.org/openset/leetcode.svg?branch=master)](https://travis-ci.org/openset/leetcode)
+[![Go](https://github.com/openset/leetcode/workflows/Go/badge.svg)](https://github.com/openset/leetcode/actions)
 [![codecov](https://codecov.io/gh/openset/leetcode/branch/master/graph/badge.svg)](https://codecov.io/gh/openset/leetcode)
 [![Go Report Card](https://goreportcard.com/badge/github.com/openset/leetcode)](https://goreportcard.com/report/github.com/openset/leetcode)
 [![GitHub contributors](https://img.shields.io/github/contributors/openset/leetcode.svg)](https://github.com/openset/leetcode/graphs/contributors)
diff --git a/readme/301-600.md b/readme/301-600.md
index 5d37d4931..af4578e6e 100644
--- a/readme/301-600.md
+++ b/readme/301-600.md
@@ -9,7 +9,7 @@
 LeetCode Problems' Solutions
 [[力扣](https://openset.github.io/categories/leetcode/) ∙ [话题分类](https://github.com/openset/leetcode/blob/master/tag/README.md)]
 
-[![Build Status](https://travis-ci.org/openset/leetcode.svg?branch=master)](https://travis-ci.org/openset/leetcode)
+[![Go](https://github.com/openset/leetcode/workflows/Go/badge.svg)](https://github.com/openset/leetcode/actions)
 [![codecov](https://codecov.io/gh/openset/leetcode/branch/master/graph/badge.svg)](https://codecov.io/gh/openset/leetcode)
 [![Go Report Card](https://goreportcard.com/badge/github.com/openset/leetcode)](https://goreportcard.com/report/github.com/openset/leetcode)
 [![GitHub contributors](https://img.shields.io/github/contributors/openset/leetcode.svg)](https://github.com/openset/leetcode/graphs/contributors)
diff --git a/readme/601-900.md b/readme/601-900.md
index 8e761e7fb..f36362a21 100644
--- a/readme/601-900.md
+++ b/readme/601-900.md
@@ -9,7 +9,7 @@
 LeetCode Problems' Solutions
 [[力扣](https://openset.github.io/categories/leetcode/) ∙ [话题分类](https://github.com/openset/leetcode/blob/master/tag/README.md)]
 
-[![Build Status](https://travis-ci.org/openset/leetcode.svg?branch=master)](https://travis-ci.org/openset/leetcode)
+[![Go](https://github.com/openset/leetcode/workflows/Go/badge.svg)](https://github.com/openset/leetcode/actions)
 [![codecov](https://codecov.io/gh/openset/leetcode/branch/master/graph/badge.svg)](https://codecov.io/gh/openset/leetcode)
 [![Go Report Card](https://goreportcard.com/badge/github.com/openset/leetcode)](https://goreportcard.com/report/github.com/openset/leetcode)
 [![GitHub contributors](https://img.shields.io/github/contributors/openset/leetcode.svg)](https://github.com/openset/leetcode/graphs/contributors)