diff --git a/backend/getInfo.php b/backend/getInfo.php
new file mode 100644
index 0000000..f2c269a
--- /dev/null
+++ b/backend/getInfo.php
@@ -0,0 +1,173 @@
+<?php
+
+include("country.php");
+include("qqwry.php");
+include("ipinfo.php");
+include("ipip.php");
+include("cityCN.php");
+
+function getIPInfo($ip) {
+    $specialInfo = checkSpecial($ip); // 检查是否为特殊IP段
+    if (isset($specialInfo)) {
+        $info['ip'] = $ip;
+        $info['as'] = null;
+        $info['city'] = null;
+        $info['region'] = null;
+        $info['country'] = null;
+        $info['timezone'] = null;
+        $info['loc'] = null;
+        $info['isp'] = $specialInfo['en'];
+        $info['scope'] = null;
+        $info['detail'] = $specialInfo['cn'];
+    } else {
+        $IPIP = new IPDB('ipipfree.ipdb');
+        $addr = $IPIP->getDistrict($ip); // 获取IPIP.net数据
+        $data = IPinfo::getInfo($ip); // 获取ipinfo.io数据
+        $country = getCountry($data['country']); // 解析国家2位编码
+        $qqwry = new QQWry('qqwry.dat');
+        $detail = $qqwry->getDetail($ip); // 获取纯真IP数据
+        $info['ip'] = $data['ip'];
+        $info['as'] = $data['as'];
+        $info['city'] = $data['city'];
+        $info['region'] = $data['region'];
+        if (isset($data['country'])) {
+            $info['country'] = $data['country'];
+            if (isset($country['en'])) {
+                $info['country'] .= ' - ' . $country['en'];
+                $info['country'] .= "（" . $country['cn'] . "）";
+            }
+        }
+        $info['timezone'] = $data['timezone'];
+        $info['loc'] = $data['loc'];
+        $info['isp'] = $data['isp'];
+        if ($detail['country'] == '中国') {
+            $info['country'] = 'CN - China（中国）';
+            $info['timezone'] = 'Asia/Shanghai';
+            if ($detail['region'] == '台湾') { // 修正台湾数据带 "市" 或 "县" 的情况
+                if (mb_substr($detail['city'], -1) == '市' || mb_substr($detail['city'], -1) == '县') {
+                    $detail['city'] = mb_substr($detail['city'], 0, mb_strlen($detail['city']) - 1);
+                }
+            }
+            if ($detail['region'] == '' && $detail['city'] == '') { // 纯真库解析不出数据
+                if ($addr[1] != '' || $addr[2] != '') { // IPIP数据不同时为空
+                    $detail['region'] = $addr[1];
+                    $detail['city'] = $addr[2];
+                }
+            } else if ($detail['region'] == '' || $detail['city'] == '') { // 纯真库存在空数据
+                if ($addr[1] != '' && $addr[2] != '') { // IPIP数据完整
+                    $detail['region'] = $addr[1]; // 修正纯真数据
+                    $detail['city'] = $addr[2];
+                }
+            }
+            if ($detail['region'] != '' || $detail['city'] != '') { // 修正后数据不同时为空
+                $cityLoc = getLoc($detail['region'], $detail['city']); // 获取城市经纬度
+                if ($cityLoc['region'] != '香港' && $cityLoc['region'] != '澳门' && $cityLoc['region'] != '台湾') { // 跳过港澳台数据
+                    $info['region'] = $cityLoc['region'];
+                    $info['city'] = $cityLoc['city'];
+                    $info['loc'] = $cityLoc['lat'] . ',' . $cityLoc['lon'];
+                }
+            }
+            if ($detail['isp'] == '教育网') { // 载入纯真库分析出的ISP数据
+                $info['isp'] = 'China Education and Research Network';
+            } else if ($detail['isp'] == '电信') {
+                $info['isp'] = 'China Telecom';
+            } else if ($detail['isp'] == '联通') {
+                $info['isp'] = 'China Unicom Limited';
+            } else if ($detail['isp'] == '移动') {
+                $info['isp'] = 'China Mobile Communications Corporation';
+            } else if ($detail['isp'] == '铁通') {
+                $info['isp'] = 'China Tietong Telecom';
+            } else if ($detail['isp'] == '广电网') {
+                $info['isp'] = 'Shaanxi Broadcast & TV Network Intermediary';
+            } else if ($detail['isp'] == '鹏博士') {
+                $info['isp'] = 'Chengdu Dr.Peng Technology';
+            } else if ($detail['isp'] == '长城') {
+                $info['isp'] = 'Great Wall Broadband Network Service';
+            } else if ($detail['isp'] == '中华电信') {
+                $info['isp'] = 'ChungHwa Telecom';
+            } else if ($detail['isp'] == '亚太电信') {
+                $info['isp'] = 'Asia Pacific Telecom';
+            } else if ($detail['isp'] == '远传电信') {
+                $info['isp'] = 'Far EasTone Telecommunications';
+            }
+        }
+        if (filter_var($ip, \FILTER_VALIDATE_IP,\FILTER_FLAG_IPV4)) { // 录入纯真库数据
+            $info['scope'] = tryCIDR($detail['beginIP'], $detail['endIP']);
+            $info['detail'] = $detail['dataA'] . $detail['dataB'];
+        } else {
+            $info['scope'] = $info['ip'];
+            $info['detail'] = $info['as'] . ' ' . $info['isp'];
+        }
+    }
+
+    if ($_GET['cli'] == "true") { // 使用命令行模式
+        $cli = "IP: ".$info['ip'] . PHP_EOL;
+        $cli .= "AS: ".$info['as'] . PHP_EOL;
+        $cli .= "City: ".$info['city'] . PHP_EOL;
+        $cli .= "Region: ".$info['region'] . PHP_EOL;
+        $cli .= "Country: ".$info['country'] . PHP_EOL;
+        $cli .= "Timezone: ".$info['timezone'] . PHP_EOL;
+        $cli .= "Location: ".$info['loc'] . PHP_EOL;
+        $cli .= "ISP: ".$info['isp'] . PHP_EOL;
+        $cli .= "Scope: ".$info['scope'] . PHP_EOL;
+        $cli .= "Detail: ".$info['detail'] . PHP_EOL;
+        return $cli;
+    }
+    
+    $info['status'] = 'T';
+    header('Content-Type: application/json; charset=utf-8'); // 以JSON格式发送
+    return json_encode($info);
+}
+
+function checkSpecial($ip) { // 检查特殊IP地址并返回说明
+    if ('::1' === $ip) {
+        $info['en'] = 'localhost IPv6 access';
+        $info['cn'] = '本地IPv6地址';
+    }
+    if (stripos($ip, 'fe80:') === 0) {
+        $info['en'] = 'link-local IPv6 access';
+        $info['cn'] = '链路本地IPv6地址';
+    }
+    if (strpos($ip, '127.') === 0) {
+        $info['en'] = 'localhost IPv4 access';
+        $info['cn'] = '本地IPv4地址';
+    }
+    if (strpos($ip, '10.') === 0) {
+        $info['en'] = 'private IPv4 access';
+        $info['cn'] = '私有IPv4地址';
+    }
+    if (preg_match('/^172\.(1[6-9]|2\d|3[01])\./', $ip) === 1) {
+        $info['en'] = 'private IPv4 access';
+        $info['cn'] = '私有IPv4地址';
+    }
+    if (strpos($ip, '192.168.') === 0) {
+        $info['en'] = 'private IPv4 access';
+        $info['cn'] = '私有IPv4地址';
+    }
+    if (strpos($ip, '169.254.') === 0) {
+        $info['en'] = 'link-local IPv4 access';
+        $info['cn'] = '链路本地IPv4地址';
+    }
+    return isset($info) ? $info : null;
+}
+
+function tryCIDR($beginIP, $endIP) { // 给定IP范围，尝试计算CIDR
+    $tmp = ip2long($endIP) - ip2long($beginIP) + 1;
+    if (pow(2, intval(log($tmp, 2))) == $tmp) { // 判断是否为2的整数次方
+        return $beginIP . '/' . (32 - log($tmp, 2));
+    } else {
+        return $beginIP . ' - ' . $endIP;
+    }
+}
+
+function getVersion() { // 获取自身及数据库版本号
+    global $myVersion;
+    $version['echoip'] = $myVersion;
+    $qqwry = new QQWry('qqwry.dat');
+    $IPIP = new IPDB('ipipfree.ipdb');
+    $version['qqwry'] = $qqwry->getVersion();
+    $version['ipip'] = $IPIP->getVersion();
+    return $version;
+}
+
+?>
\ No newline at end of file
diff --git a/backend/queryInfo.php b/backend/queryInfo.php
index 757e550..6a6a624 100644
--- a/backend/queryInfo.php
+++ b/backend/queryInfo.php
@@ -1,177 +1,48 @@
 <?php
 
-include("country.php");
-include("qqwry.php");
-include("ipinfo.php");
-include("ipip.php");
-include("cityCN.php");
+include("getInfo.php");
 
-function getIPInfo($ip) {
-    $specialInfo = checkSpecial($ip); // 检查是否为特殊IP段
-    if (isset($specialInfo)) {
-        $info['ip'] = $ip;
-        $info['as'] = null;
-        $info['city'] = null;
-        $info['region'] = null;
-        $info['country'] = null;
-        $info['timezone'] = null;
-        $info['loc'] = null;
-        $info['isp'] = $specialInfo['en'];
-        $info['scope'] = null;
-        $info['detail'] = $specialInfo['cn'];
-    } else {
-        $IPIP = new IPDB('ipipfree.ipdb');
-        $addr = $IPIP->getDistrict($ip); // 获取IPIP.net数据
-        $data = IPinfo::getInfo($ip); // 获取ipinfo.io数据
-        $country = getCountry($data['country']); // 解析国家2位编码
-        $qqwry = new QQWry('qqwry.dat');
-        $detail = $qqwry->getDetail($ip); // 获取纯真IP数据
-        $info['ip'] = $data['ip'];
-        $info['as'] = $data['as'];
-        $info['city'] = $data['city'];
-        $info['region'] = $data['region'];
-        if (isset($data['country'])) {
-            $info['country'] = $data['country'];
-            if (isset($country['en'])) {
-                $info['country'] .= ' - ' . $country['en'];
-                $info['country'] .= "（" . $country['cn'] . "）";
-            }
-        }
-        $info['timezone'] = $data['timezone'];
-        $info['loc'] = $data['loc'];
-        $info['isp'] = $data['isp'];
-        if ($detail['country'] == '中国') {
-            $info['country'] = 'CN - China（中国）';
-            $info['timezone'] = 'Asia/Shanghai';
-            if ($detail['region'] == '台湾') { // 修正台湾数据带 "市" 或 "县" 的情况
-                if (mb_substr($detail['city'], -1) == '市' || mb_substr($detail['city'], -1) == '县') {
-                    $detail['city'] = mb_substr($detail['city'], 0, mb_strlen($detail['city']) - 1);
-                }
-            }
-            if ($detail['region'] == '' && $detail['city'] == '') { // 纯真库解析不出数据
-                if ($addr[1] != '' || $addr[2] != '') { // IPIP数据不同时为空
-                    $detail['region'] = $addr[1];
-                    $detail['city'] = $addr[2];
-                }
-            } else if ($detail['region'] == '' || $detail['city'] == '') { // 纯真库存在空数据
-                if ($addr[1] != '' && $addr[2] != '') { // IPIP数据完整
-                    $detail['region'] = $addr[1]; // 修正纯真数据
-                    $detail['city'] = $addr[2];
-                }
-            }
-            if ($detail['region'] != '' || $detail['city'] != '') { // 修正后数据不同时为空
-                $cityLoc = getLoc($detail['region'], $detail['city']); // 获取城市经纬度
-                if ($cityLoc['region'] != '香港' && $cityLoc['region'] != '澳门' && $cityLoc['region'] != '台湾') { // 跳过港澳台数据
-                    $info['region'] = $cityLoc['region'];
-                    $info['city'] = $cityLoc['city'];
-                    $info['loc'] = $cityLoc['lat'] . ',' . $cityLoc['lon'];
-                }
-            }
-            if ($detail['isp'] == '教育网') { // 载入纯真库分析出的ISP数据
-                $info['isp'] = 'China Education and Research Network';
-            } else if ($detail['isp'] == '电信') {
-                $info['isp'] = 'China Telecom';
-            } else if ($detail['isp'] == '联通') {
-                $info['isp'] = 'China Unicom Limited';
-            } else if ($detail['isp'] == '移动') {
-                $info['isp'] = 'China Mobile Communications Corporation';
-            } else if ($detail['isp'] == '铁通') {
-                $info['isp'] = 'China Tietong Telecom';
-            } else if ($detail['isp'] == '广电网') {
-                $info['isp'] = 'Shaanxi Broadcast & TV Network Intermediary';
-            } else if ($detail['isp'] == '鹏博士') {
-                $info['isp'] = 'Chengdu Dr.Peng Technology';
-            } else if ($detail['isp'] == '长城') {
-                $info['isp'] = 'Great Wall Broadband Network Service';
-            } else if ($detail['isp'] == '中华电信') {
-                $info['isp'] = 'ChungHwa Telecom';
-            } else if ($detail['isp'] == '亚太电信') {
-                $info['isp'] = 'Asia Pacific Telecom';
-            } else if ($detail['isp'] == '远传电信') {
-                $info['isp'] = 'Far EasTone Telecommunications';
-            }
-        }
-        if (filter_var($ip, \FILTER_VALIDATE_IP,\FILTER_FLAG_IPV4)) { // 录入纯真库数据
-            $info['scope'] = tryCIDR($detail['beginIP'], $detail['endIP']);
-            $info['detail'] = $detail['dataA'] . $detail['dataB'];
-        } else {
-            $info['scope'] = $info['ip'];
-            $info['detail'] = $info['as'] . ' ' . $info['isp'];
-        }
-    }
+function getClientIP() { // 获取客户端IP
+    return isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR'];
+}
 
-    if ($_GET['cli'] == "true") { // 使用命令行模式
-        $cli = "IP: ".$info['ip'] . PHP_EOL;
-        $cli .= "AS: ".$info['as'] . PHP_EOL;
-        $cli .= "City: ".$info['city'] . PHP_EOL;
-        $cli .= "Region: ".$info['region'] . PHP_EOL;
-        $cli .= "Country: ".$info['country'] . PHP_EOL;
-        $cli .= "Timezone: ".$info['timezone'] . PHP_EOL;
-        $cli .= "Location: ".$info['loc'] . PHP_EOL;
-        $cli .= "ISP: ".$info['isp'] . PHP_EOL;
-        $cli .= "Scope: ".$info['scope'] . PHP_EOL;
-        $cli .= "Detail: ".$info['detail'] . PHP_EOL;
-        return $cli;
-    }
-    
-    $info['status'] = 'T';
-    header('Content-Type: application/json; charset=utf-8'); // 以JSON格式发送
-    return json_encode($info);
+function formatDate($str) { // 将YYYYMMDD处理为YYYY-MM-DD
+    return substr($str, 0, 4) . '-' . substr($str, 4, 2) . '-' . substr($str, 6, 2);
 }
 
-function checkSpecial($ip) { // 检查特殊IP地址并返回说明
-    if ('::1' === $ip) {
-        $info['en'] = 'localhost IPv6 access';
-        $info['cn'] = '本地IPv6地址';
-    }
-    if (stripos($ip, 'fe80:') === 0) {
-        $info['en'] = 'link-local IPv6 access';
-        $info['cn'] = '链路本地IPv6地址';
-    }
-    if (strpos($ip, '127.') === 0) {
-        $info['en'] = 'localhost IPv4 access';
-        $info['cn'] = '本地IPv4地址';
-    }
-    if (strpos($ip, '10.') === 0) {
-        $info['en'] = 'private IPv4 access';
-        $info['cn'] = '私有IPv4地址';
+function preRount() { // 解析请求路径
+    global $request;
+    $requestUri = $_SERVER['DOCUMENT_URI'];
+    if ($_GET['cli'] == 'true') {
+        $request['cli'] = true;
     }
-    if (preg_match('/^172\.(1[6-9]|2\d|3[01])\./', $ip) === 1) {
-        $info['en'] = 'private IPv4 access';
-        $info['cn'] = '私有IPv4地址';
+    if ($requestUri == '/' || $requestUri == '/ip') { // URI -> / or /ip
+        $request['justip'] = true;
+        return;
+    } else if ($requestUri == '/version') { // URI -> /version
+        $request['version'] = true;
+        return;
+    } else if ($requestUri == '/info') { // URI -> /info
+        $request['ip'] = getClientIP();
+        return;
+    } else if ($requestUri == '/query') { // URI -> /query?xxx=xxx
+        if ($_GET['error'] == 'true') { $request['error'] = true; }
+        if ($_GET['version'] == 'true') { $request['version'] = true; }
+        if ($_GET['justip'] == 'true') { $request['justip'] = true; }
+        if (isset($_GET['ip'])) { $request['ip'] = $_GET['ip']; }
+        return;
     }
-    if (strpos($ip, '192.168.') === 0) {
-        $info['en'] = 'private IPv4 access';
-        $info['cn'] = '私有IPv4地址';
+    preg_match('#^/([^/]+?)$#', $requestUri, $match); // URI -> /{ip}
+    if (count($match) > 0) {
+        $request['ip'] = $match[1];
+        return;
     }
-    if (strpos($ip, '169.254.') === 0) {
-        $info['en'] = 'link-local IPv4 access';
-        $info['cn'] = '链路本地IPv4地址';
+    preg_match('#^/info/([^/]+?)$#', $requestUri, $match); // URI -> /info/{ip}
+    if (count($match) > 0) {
+        $request['ip'] = $match[1];
+        return;
     }
-    return isset($info) ? $info : null;
-}
-
-function tryCIDR($beginIP, $endIP) { // 给定IP范围，尝试计算CIDR
-    $tmp = ip2long($endIP) - ip2long($beginIP) + 1;
-    if (pow(2, intval(log($tmp, 2))) == $tmp) { // 判断是否为2的整数次方
-        return $beginIP . '/' . (32 - log($tmp, 2));
-    } else {
-        return $beginIP . ' - ' . $endIP;
-    }
-}
-
-function getVersion() { // 获取自身及数据库版本号
-    global $myVersion;
-    $version['echoip'] = $myVersion;
-    $qqwry = new QQWry('qqwry.dat');
-    $IPIP = new IPDB('ipipfree.ipdb');
-    $version['qqwry'] = $qqwry->getVersion();
-    $version['ipip'] = $IPIP->getVersion();
-    return $version;
-}
-
-function formatDate($str) { // 将YYYYMMDD处理为YYYY-MM-DD
-    return substr($str, 0, 4) . '-' . substr($str, 4, 2) . '-' . substr($str, 6, 2);
+    $request['error'] = true;
 }
 
 function routeParam() {
@@ -181,19 +52,20 @@ function routeParam() {
     // justip -> 仅查询IP地址
     // ip -> 请求指定IP的数据
 
-    if ($_GET['error'] == "true") { // 请求出错
-        if ($_GET['cli'] == "true") { // 命令行模式
+    global $request;
+    if ($request['error']) { // 请求出错
+        if ($request['cli']) { // 命令行模式
             echo 'Illegal Request' . PHP_EOL;
         } else {
             header('HTTP/1.1 302 Moved Temporarily');
             header('Location: /error');
         }
-        exit; // 退出程序
+        exit; // 退出
     }
 
-    if ($_GET['version'] == "true") { // 请求版本信息
+    if ($request['version']) { // 请求版本信息
         $version = getVersion();
-        if ($_GET['cli'] == "true") { // 命令行模式
+        if ($request['cli']) { // 命令行模式
             echo "echoip -> " . $version['echoip'] . PHP_EOL;
             echo "qqwry.dat -> " . formatDate($version['qqwry']) . PHP_EOL;
             echo "ipip.net -> " . formatDate($version['ipip']) . PHP_EOL;
@@ -201,23 +73,22 @@ function routeParam() {
             header('Content-Type: application/json; charset=utf-8');
             echo json_encode($version); // 返回JSON数据
         }
-        exit; // 退出程序
+        exit; // 退出
     }
 
-    $ip = isset($_SERVER['HTTP_X_FORWARDED_FOR']) ? $_SERVER['HTTP_X_FORWARDED_FOR'] : $_SERVER['REMOTE_ADDR']; // 获取客户端IP
-    if ($_GET['justip'] == "true") { // 仅查询IP地址
-        if ($_GET['cli'] == "true") { // 命令行模式
-            echo $ip . PHP_EOL;
+    if ($request['justip']) { // 仅查询IP地址
+        if ($request['cli']) { // 命令行模式
+            echo getClientIP() . PHP_EOL;
         } else {
             header('Content-Type: application/json; charset=utf-8');
-            echo '{"ip":"' . $ip . '"}'; // 返回JSON数据
+            echo '{"ip":"' . getClientIP() . '"}'; // 返回JSON数据
         }
         exit;
     }
 
-    $ip = isset($_GET['ip']) ? $_GET['ip'] : $ip; // 若存在请求信息则查询该IP
+    $ip = isset($request['ip']) ? $request['ip'] : getClientIP(); // 若存在请求信息则查询该IP
     if (!filter_var($ip, \FILTER_VALIDATE_IP)) { // 输入IP不合法
-        if ($_GET['cli'] == "true") { // 命令行模式
+        if ($request['cli']) { // 命令行模式
             echo "Illegal Request" . PHP_EOL;
         } else {
             $reply = array();
@@ -228,12 +99,22 @@ function routeParam() {
         }
         exit;
     }
-    echo getIPInfo($ip);
+    echo getIPInfo($ip); // 查询目标IP
 }
 
 function main() {
-    routeParam(); // 处理传入参数
+    preRount(); // 解析请求路径
+    routeParam(); // 处理请求参数
 }
 
 $myVersion = 'v1.2';
+$request = array(
+    'error' => false,
+    'version' => false,
+    'cli' => false,
+    'justip' => false,
+);
+
 main();
+
+?>
\ No newline at end of file