diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..ff84bbf
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 李光春
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
index c78fc68..456bd01 100644
--- a/README.md
+++ b/README.md
@@ -2,33 +2,27 @@
 <a href="https://www.dtapp.net/">Golang Ip</a>
 </h1>
 
-📦 Golang Ip库组件
+📦 Golang Ip库
 
 [comment]: <> (go)
-[![godoc](https://pkg.go.dev/badge/go.dtapp.net/goip?status.svg)](https://pkg.go.dev/go.dtapp.net/goip)
-[![goproxy.cn](https://goproxy.cn/stats/go.dtapp.net/goip/badges/download-count.svg)](https://goproxy.cn/stats/go.dtapp.net/goip)
-[![goreportcard.com](https://goreportcard.com/badge/go.dtapp.net/goip	)](https://goreportcard.com/report/go.dtapp.net/goip)
-[![deps.dev](https://img.shields.io/badge/deps-go-red.svg)](https://deps.dev/go/go.dtapp.net/goip)
+[![godoc](https://pkg.go.dev/badge/github.com/dtapps/goip?status.svg)](https://pkg.go.dev/github.com/dtapps/goip)
+[![goproxy.cn](https://goproxy.cn/stats/github.com/dtapps/goip/badges/download-count.svg)](https://goproxy.cn/stats/github.com/dtapps/goip)
+[![goreportcard.com](https://goreportcard.com/badge/github.com/dtapps/goip	)](https://goreportcard.com/report/github.com/dtapps/goip)
+[![deps.dev](https://img.shields.io/badge/deps-go-red.svg)](https://deps.dev/go/github.com%2Fdtapps%2Fgoip)
 
-#### 安装使用
+#### 安装
 
 ```go
-go get -v -u go.dtapp.net/goip
+go get -v -u github.com/dtapps/goip
 ```
 
-#### 导入
-
-```go
-import (
-    "go.dtapp.net/goip"
-)
-```
+#### 使用
 
 ```go
 package main
 
 import (
-	"go.dtapp.net/goip"
+	"github.com/dtapps/goip"
 	"testing"
 )
 
diff --git a/go.mod b/go.mod
index 60d1b1f..8096f5a 100644
--- a/go.mod
+++ b/go.mod
@@ -1,4 +1,4 @@
-module go.dtapp.net/goip
+module github.com/dtapps/goip
 
 go 1.18
 
diff --git a/goip.go b/goip.go
index 818d629..7f042ba 100644
--- a/goip.go
+++ b/goip.go
@@ -1,9 +1,9 @@
 package goip
 
 import (
-	"go.dtapp.net/goip/ip2region"
-	v4 "go.dtapp.net/goip/v4"
-	v6 "go.dtapp.net/goip/v6"
+	"github.com/dtapps/goip/ip2region"
+	v4 "github.com/dtapps/goip/v4"
+	v6 "github.com/dtapps/goip/v6"
 	"log"
 	"strings"
 )
diff --git a/v4/qqwry.dat b/v4/qqwry.dat
index 7b478ad..0d22143 100644
Binary files a/v4/qqwry.dat and b/v4/qqwry.dat differ
diff --git a/version.go b/version.go
index 6e5e916..d2c6029 100644
--- a/version.go
+++ b/version.go
@@ -1,3 +1,3 @@
 package goip
 
-const Version = "1.0.18"
+const Version = "1.0.19"