diff --git a/README-en.md b/README-en.md
index 4b20a73..35f7c57 100644
--- a/README-en.md
+++ b/README-en.md
@@ -22,7 +22,6 @@ $ composer require tim168/ip
 
     use Tim168\Ip\Ip;
 	
-    $ip = new Ip('zh-CN');  //Support the following languages
 ## Supported language formats
 |  character| describe  |
 | :------------ | :------------ |
@@ -35,7 +34,7 @@ $ composer require tim168/ip
 | zh-CN  | chinese  |
 | ru  | russian  |
 ## Get Ip location information
-    $res = $ip->get('json','116.234.222.36')
+    $res = Ip::getIp('json','116.234.222.36')
 	
 ## Example
 	{
@@ -55,7 +54,7 @@ $ composer require tim168/ip
         "query": "116.234.222.36"
     }
 ## Get Xml Format
-    $res = $ip->get('xml','116.234.222.36')
+    $res = Ip::getIp('xml','116.234.222.36')
 ## Example
     <?xml version="1.0" encoding="UTF-8"?>
     <query>
@@ -75,7 +74,7 @@ $ composer require tim168/ip
     	<query>116.234.222.36</query>
     </query>
 ## GET Csv Format
-    $res = $ip->get('csv','116.234.222.36')
+    $res = Ip::getIp('csv','116.234.222.36')
 ## Example
 	success,China,CN,SH,Shanghai,Shanghai,,31.0449,121.4012,Asia/Shanghai,China Telecom (Group),Chinanet SH,AS4812 China
     Telecom (Group),116.234.222.36
@@ -86,13 +85,13 @@ $ composer require tim168/ip
     Telecom (Group)";s:3:"org";s:11:"Chinanet SH";s:2:"as";s:28:"AS4812 China Telecom
     (Group)";s:5:"query";s:14:"116.234.222.36";}
 ## IpV4 to IpV6
-	$res = $ip->IpV4toV6('116.234.222.36')
+	$res = Ip::IpV4toV6('116.234.222.36')
 	
 ## Example
 	0000:0000:0000:0000:0000:ffff:74ea:de24
 
 ## IpV6 to IpV4
-	$res = $ip->IpV6toV4('0000:0000:0000:0000:0000:ffff:74ea:de24')
+	$res = Ip::IpV6toV4('0000:0000:0000:0000:0000:ffff:74ea:de24')
 	
 ## Example
 	116.234.222.36
diff --git a/README.md b/README.md
index a4cac03..16bfdcd 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,6 @@ $ composer require tim168/ip
 
     use Tim168\Ip\Ip;
 	
-    $ip = new Ip('zh-CN');  //支持以下语言
 ## 支持的语言格式
 |  字符集| 描述  |
 | :------------ | :------------ |
@@ -36,7 +35,7 @@ $ composer require tim168/ip
 | zh-CN  | 中文  |
 | ru  | 俄语  |
 ## 获取Ip定位信息
-    $res = $ip->get('json','116.234.222.36')
+    $res = Ip::getIp('json','116.234.222.36')
 	
 ## 示例
 	{
@@ -56,7 +55,7 @@ $ composer require tim168/ip
     	"query": "116.234.222.36" //ip
 	}
 ## 获取XML格式
-    $res = $ip->get('xml','116.234.222.36')
+    $res = Ip::getIp('xml','116.234.222.36')
 ## 示例
     <?xml version="1.0" encoding="UTF-8"?>
     <query>
@@ -76,24 +75,24 @@ $ composer require tim168/ip
     	<query>116.234.222.36</query>
     </query>
 ## 获取CSV格式
-    $res = $ip->get('csv','116.234.222.36')
+    $res = Ip::getIp('csv','116.234.222.36')
 ## 示例
 	success,中国,CN,SH,上海,上海,,31.0449,121.4012,Asia/Shanghai,China Telecom (Group),Chinanet SH,AS4812 China Telecom
     (Group),116.234.222.36
 ## 获取序列化格式
-    $res = $ip->get('php','116.234.222.36')
+    $res = Ip::getIp('php','116.234.222.36')
 ## 示例
     a:14:{s:6:"status";s:7:"success";s:7:"country";s:6:"中国";s:11:"countryCode";s:2:"CN";s:6:"region";s:2:"SH";s:10:"regionName";s:6:"上海";s:4:"city";s:6:"上海";s:3:"zip";s:0:"";s:3:"lat";d:31.0449;s:3:"lon";d:121.4012;s:8:"timezone";s:13:"Asia/Shanghai";s:3:"isp";s:21:"China
     Telecom (Group)";s:3:"org";s:11:"Chinanet SH";s:2:"as";s:28:"AS4812 China Telecom
     (Group)";s:5:"query";s:14:"116.234.222.36";}
 ## IpV4转换成IpV6
-	$res = $ip->IpV4toV6('116.234.222.36')
+	$res = Ip::IpV4toV6('116.234.222.36')
 	
 ## 示例
 	0000:0000:0000:0000:0000:ffff:74ea:de24
 
 ## IpV6转换成IpV4
-	$res = $ip->IpV6toV4('0000:0000:0000:0000:0000:ffff:74ea:de24')
+	$res = Ip::IpV6toV4('0000:0000:0000:0000:0000:ffff:74ea:de24')
 	
 ## 示例
 	116.234.222.36
diff --git a/src/Ip.php b/src/Ip.php
index cf25d60..0cc7426 100644
--- a/src/Ip.php
+++ b/src/Ip.php
@@ -75,7 +75,7 @@ public static function checkIp($ip)
      * @param $ip
      * @throws InvalidArgumentException
      */
-    public function checkIpV4($ip)
+    public static function checkIpV4($ip)
     {
         if (!empty($ip)) {
             if (!filter_var($ip, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV4)) {
@@ -88,7 +88,7 @@ public function checkIpV4($ip)
      * @param $ip
      * @throws InvalidArgumentException
      */
-    public function checkIpV6($ip)
+    public static function checkIpV6($ip)
     {
         if (!empty($ip)) {
             if (!filter_var($ip, \FILTER_VALIDATE_IP, \FILTER_FLAG_IPV6)) {
@@ -102,9 +102,9 @@ public function checkIpV6($ip)
      * @return string
      * @throws InvalidArgumentException
      */
-    public function IpV4toV6($ip)
+    public static function IpV4toV6($ip)
     {
-        $this->checkIpV4($ip);
+        self::checkIpV4($ip);
         $set = '0000:0000:0000:0000:0000:ffff:';
         $arr = explode('.', $ip);
         $new = [];
@@ -124,9 +124,9 @@ public function IpV4toV6($ip)
      * @return string
      * @throws InvalidArgumentException
      */
-    public function IpV6toV4($ip)
+    public static function IpV6toV4($ip)
     {
-        $this->checkIpV6($ip);
+        self::checkIpV6($ip);
         $str = mb_substr($ip, 30, 38);
         $arr = explode(':', $str);
         $Ip1 = base_convert(mb_substr($arr[0], 0, 2), 16, 10);