diff --git a/gtool.go b/gtool.go
index 50fead0..9a9fbd9 100644
--- a/gtool.go
+++ b/gtool.go
@@ -4,6 +4,7 @@ import (
 	"git.sre.ink/go/gtool/convert"
 	"git.sre.ink/go/gtool/crypto"
 	"git.sre.ink/go/gtool/file"
+	"git.sre.ink/go/gtool/net"
 	"git.sre.ink/go/gtool/rand"
 	"git.sre.ink/go/gtool/regx"
 	"git.sre.ink/go/gtool/str"
@@ -17,4 +18,5 @@ var (
 	Conv  convert.Conv
 	Regx  regx.Regx
 	File  file.File
+	NET   net.NET
 )
diff --git a/net/entry.go b/net/entry.go
new file mode 100644
index 0000000..9345bde
--- /dev/null
+++ b/net/entry.go
@@ -0,0 +1,4 @@
+package net
+
+type NET struct {
+}
diff --git a/net/entry_test.go b/net/entry_test.go
new file mode 100644
index 0000000..dedd41e
--- /dev/null
+++ b/net/entry_test.go
@@ -0,0 +1,3 @@
+package net
+
+var net NET
diff --git a/net/publicIP.go b/net/publicIP.go
new file mode 100644
index 0000000..92d49a3
--- /dev/null
+++ b/net/publicIP.go
@@ -0,0 +1,25 @@
+package net
+
+import (
+	"fmt"
+	"io/ioutil"
+	"net/http"
+	"regexp"
+)
+
+// PublicIP 获取公网IP信息
+func (n *NET) PublicIP() string {
+	pip, err := http.Get("https://cip.cc")
+	if err != nil {
+		fmt.Println("获取IP地址错误: ", err)
+		return ""
+	}
+	defer pip.Body.Close()
+	content, _ := ioutil.ReadAll(pip.Body)
+	extract := regexp.MustCompile("(\\d{1,3}\\.){3}\\d{1,3}")
+	publicIP := extract.FindString(string(content))
+	if publicIP != "" {
+		return publicIP
+	}
+	return ""
+}
diff --git a/net/publicIP_test.go b/net/publicIP_test.go
new file mode 100644
index 0000000..0470291
--- /dev/null
+++ b/net/publicIP_test.go
@@ -0,0 +1,10 @@
+package net
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestNET_PublicIP(t *testing.T) {
+	fmt.Println(net.PublicIP())
+}