diff --git a/backend/route.php b/backend/route.php
index 373c422..2fdb187 100644
--- a/backend/route.php
+++ b/backend/route.php
@@ -4,7 +4,7 @@ include 'kms-cli.php';
 include 'kms-web.php';
 include 'kms-help.php';
 
-if (isset($_SERVER['HTTP_HOST'])) {
+if (isset($_SERVER['HTTP_HOST'])) { // 获取服务域名
     $webSite = $_SERVER['HTTP_HOST'];
 } else {
     $webSite = "{HOST}";
@@ -12,19 +12,23 @@ if (isset($_SERVER['HTTP_HOST'])) {
 
 $url = $_SERVER['DOCUMENT_URI'];
 $gbk = false;
-if ($url == '/') {
+
+if ($url == '/' || $url == '/help') { // 操作提示
     if ($_GET['cli'] == 'true') {
         showHelp();
     } else {
         webHelp();
     }
+    exit;
 }
-if ($url == '/win') {
+
+if ($url == '/win') { // KMS密钥获取
     if ($_GET['cli'] == 'true') {
         showWinKeys();
     } else {
         webWinKeys();
     }
+    exit;
 }
 if ($url == '/win-server') {
     if ($_GET['cli'] == 'true') {
@@ -32,9 +36,10 @@ if ($url == '/win-server') {
     } else {
         webWinServerKeys();
     }
+    exit;
 }
 
-if ($url == '/win/gbk') {
+if ($url == '/win/gbk') { // KMS密钥获取(GBK兼容)
     if ($_GET['cli'] == 'true') {
         $gbk = true;
         showWinKeys();
@@ -42,6 +47,7 @@ if ($url == '/win/gbk') {
         header('HTTP/1.1 302 Moved Temporarily');
         header('Location: /win');
     }
+    exit;
 }
 if ($url == '/win-server/gbk') {
     if ($_GET['cli'] == 'true') {
@@ -51,6 +57,33 @@ if ($url == '/win-server/gbk') {
         header('HTTP/1.1 302 Moved Temporarily');
         header('Location: /win-server');
     }
+    exit;
+}
+
+if ($url == '/json') { // JSON格式获取KMS密钥
+    header('Content-Type: application/json; charset=utf-8');
+    $kmsKeys = getKmsKeys('win') + getKmsKeys('win-server');
+    echo json_encode($kmsKeys);
+    exit;
+}
+if ($url == '/win/json') {
+    header('Content-Type: application/json; charset=utf-8');
+    $kmsKeys = getKmsKeys('win');
+    echo json_encode($kmsKeys);
+    exit;
+}
+if ($url == '/win-server/json') {
+    header('Content-Type: application/json; charset=utf-8');
+    $kmsKeys = getKmsKeys('win-server');
+    echo json_encode($kmsKeys);
+    exit;
+}
+
+if ($_GET['cli'] == 'true') { // 无效请求
+    echo 'Illegal Request' . PHP_EOL;
+} else {
+    header('Content-Type: application/json; charset=utf-8');
+    echo '{"status":"error","message":"Illegal Request"}';
 }
 
 ?>
\ No newline at end of file