diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 0d98ea7..7cea341 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -18,7 +18,9 @@ jobs:
 
     steps:
       - uses: actions/checkout@master
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
       - uses: ./
         with:
           version: '${{ matrix.version }}'
diff --git a/action.yml b/action.yml
index 7b5da99..04b2ae2 100644
--- a/action.yml
+++ b/action.yml
@@ -19,5 +19,5 @@ inputs:
     description: 'Proxy server'
     required: false
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'dist/index.js'
diff --git a/dist/index.js b/dist/index.js
index 8738a4c..5c62fe1 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -335,7 +335,6 @@ const URL = __webpack_require__(835).URL
 const { https } = __webpack_require__(549)
 const AdmZip = __webpack_require__(639)
 const HttpsProxyAgent = __webpack_require__(338)
-var proxy = process.env.http_proxy || 'http://168.63.76.32:3128';
 
 const selectPlatforn = (platform) =>
     platform ? [null, platform] :
diff --git a/index.js b/index.js
index 93b9625..3ba1a2e 100644
--- a/index.js
+++ b/index.js
@@ -7,7 +7,6 @@ const URL = require('url').URL
 const { https } = require('follow-redirects')
 const AdmZip = require('adm-zip')
 const HttpsProxyAgent = require('https-proxy-agent')
-var proxy = process.env.http_proxy || 'http://168.63.76.32:3128';
 
 const selectPlatforn = (platform) =>
     platform ? [null, platform] :