diff --git a/examples/koa-basic/package.json b/examples/koa-basic/package.json
index 7a2b978..b8d0ef8 100644
--- a/examples/koa-basic/package.json
+++ b/examples/koa-basic/package.json
@@ -12,7 +12,7 @@
     "@device-router/middleware-koa": "workspace:*",
     "@device-router/storage": "workspace:*",
     "@device-router/types": "workspace:*",
-    "koa": "^3.1.1"
+    "koa": "^3.1.2"
   },
   "devDependencies": {
     "@types/koa": "^3.0.1",
diff --git a/packages/middleware-koa/package.json b/packages/middleware-koa/package.json
index 25ecdf8..82787a9 100644
--- a/packages/middleware-koa/package.json
+++ b/packages/middleware-koa/package.json
@@ -61,6 +61,6 @@
   "devDependencies": {
     "@device-router/probe": "workspace:*",
     "@types/koa": "^3.0.1",
-    "koa": "^3.1.1"
+    "koa": "^3.1.2"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index e519695..927bee5 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -120,8 +120,8 @@ importers:
         specifier: workspace:*
         version: link:../../packages/types
       koa:
-        specifier: ^3.1.1
-        version: 3.1.1
+        specifier: ^3.1.2
+        version: 3.1.2
     devDependencies:
       '@types/koa':
         specifier: ^3.0.1
@@ -243,8 +243,8 @@ importers:
         specifier: ^3.0.1
         version: 3.0.1
       koa:
-        specifier: ^3.1.1
-        version: 3.1.1
+        specifier: ^3.1.2
+        version: 3.1.2
 
   packages/probe:
     devDependencies:
@@ -925,10 +925,6 @@ packages:
     resolution: {integrity: sha512-RMr0FhtfXemyinomL4hrWcYJxmX6deFdCxpJzhDttxgO1+bcCnkk+9drydLVDmAMG7NE6aN/fl4F7ucU/90gAA==}
     engines: {node: '>=0.10.0'}
 
-  content-disposition@0.5.4:
-    resolution: {integrity: sha512-FveZTNuGw04cxlAiWbzi6zTAL/lhehaWbTtgluJh4/E95DqMwTmha3KZN1aAWA8cFIhHzMZUvLevkw5Rqk+tSQ==}
-    engines: {node: '>= 0.6'}
-
   content-disposition@1.0.1:
     resolution: {integrity: sha512-oIXISMynqSqm241k6kcQ5UwttDILMK4BiurCfGEREw6+X9jkkpEe5T9FZaApyLGGOnFuyMWZpdolTXMtvEJ08Q==}
     engines: {node: '>=18'}
@@ -1314,8 +1310,8 @@ packages:
   koa-compose@4.1.0:
     resolution: {integrity: sha512-8ODW8TrDuMYvXRwra/Kh7/rJo9BtOfPc6qO8eAfC80CnCvSjSl0bkRM24X6/XBBEyj0v1nRUQ1LyOy3dbqOWXw==}
 
-  koa@3.1.1:
-    resolution: {integrity: sha512-KDDuvpfqSK0ZKEO2gCPedNjl5wYpfj+HNiuVRlbhd1A88S3M0ySkdf2V/EJ4NWt5dwh5PXCdcenrKK2IQJAxsg==}
+  koa@3.1.2:
+    resolution: {integrity: sha512-2LOQnFKu3m0VxpE+5sb5+BRTSKrXmNxGgxVRiKwD9s5KQB1zID/FRXhtzeV7RT1L2GVpdEEAfVuclFOMGl1ikA==}
     engines: {node: '>= 18'}
 
   levn@0.4.1:
@@ -1546,9 +1542,6 @@ packages:
     resolution: {integrity: sha512-nLTrUKm2UyiL7rlhapu/Zl45FwNgkZGaCpZbIHajDYgwlJCOzLSk+cIPAnsEqV955GjILJnKbdQC1nVPz+gAYQ==}
     engines: {node: '>= 18'}
 
-  safe-buffer@5.2.1:
-    resolution: {integrity: sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==}
-
   safe-regex2@5.0.0:
     resolution: {integrity: sha512-YwJwe5a51WlK7KbOJREPdjNrpViQBI3p4T50lfwPuDhZnE3XGVTlGvi+aolc5+RvxDD6bnUmjVsU9n1eboLUYw==}
 
@@ -2401,10 +2394,6 @@ snapshots:
 
   cluster-key-slot@1.1.2: {}
 
-  content-disposition@0.5.4:
-    dependencies:
-      safe-buffer: 5.2.1
-
   content-disposition@1.0.1: {}
 
   content-type@1.0.5: {}
@@ -2844,10 +2833,10 @@ snapshots:
 
   koa-compose@4.1.0: {}
 
-  koa@3.1.1:
+  koa@3.1.2:
     dependencies:
       accepts: 1.3.8
-      content-disposition: 0.5.4
+      content-disposition: 1.0.1
       content-type: 1.0.5
       cookies: 0.9.1
       delegates: 1.0.0
@@ -3095,8 +3084,6 @@ snapshots:
     transitivePeerDependencies:
       - supports-color
 
-  safe-buffer@5.2.1: {}
-
   safe-regex2@5.0.0:
     dependencies:
       ret: 0.5.0