diff --git a/background.js b/background.js
index 9f59644..62b00bf 100644
--- a/background.js
+++ b/background.js
@@ -4,40 +4,44 @@
  * @date 2020/11/04 17:54:49
  */
 
-chrome.browserAction.onClicked.addListener(function(ctab) {
-  var cid = ctab.id
-  var tid = null
-  var code = `
-    var script = document.createElement('script')
-    script.textContent = \`
-      chrome.send('clearHostResolverCache')
-      chrome.send('flushSocketPools')
-    \`
-    document.body.appendChild(script)
-  `
-  var callback = function() {
-    chrome.tabs.remove(tid)
-    chrome.tabs.executeScript(cid, { code: 'location.reload()' })
-  }
+chrome.runtime.onInstalled.addListener(() => {
+  chrome.action.onClicked.addListener(function (ctab) {
+    var cid = ctab.id
+    var tid = null
 
-  chrome.tabs.query({}, function(tabs) {
-    var done = false
-    for (let i = 0, tab; (tab = tabs[i++]); ) {
-      if (/^chrome:\/\/net-internals/.test(tab.url)) {
-        tid = tab.id
-        chrome.tabs.executeScript(tab.id, { code }, callback)
-        done = true
-        break
-      }
+    var callback = function () {
+      chrome.tabs.remove(tid)
+      chrome.scripting.executeScript({
+        target: { tabId: cid },
+        files: ['done.js']
+      })
     }
-    if (!done) {
-      chrome.tabs.create(
-        { url: 'chrome://net-internals/#dns', active: false },
-        function(tab) {
+
+    chrome.tabs.query({}, function (tabs) {
+      var done = false
+      for (let i = 0, tab; (tab = tabs[i++]); ) {
+        if (/^chrome:\/\/net-internals/.test(tab.url)) {
           tid = tab.id
-          chrome.tabs.executeScript(tab.id, { code }, callback)
+          chrome.scripting.executeScript(
+            { target: { tabId: tab.id }, files: ['clean.js'] },
+            callback
+          )
+          done = true
+          break
         }
-      )
-    }
+      }
+      if (!done) {
+        chrome.tabs.create(
+          { url: 'chrome://net-internals/#dns', active: false },
+          function (tab) {
+            tid = tab.id
+            chrome.scripting.executeScript(
+              { target: { tabId: tab.id }, files: ['clean.js'] },
+              callback
+            )
+          }
+        )
+      }
+    })
   })
 })
diff --git a/clean.js b/clean.js
new file mode 100644
index 0000000..5b8ec96
--- /dev/null
+++ b/clean.js
@@ -0,0 +1,6 @@
+console.log(chrome)
+// chrome.send('clearHostResolverCache')
+// chrome.send('flushSocketPools')
+
+window['dns-view-clear-cache'].click()
+window['sockets-view-flush-button'].click()
diff --git a/done.js b/done.js
new file mode 100644
index 0000000..3e5ecc1
--- /dev/null
+++ b/done.js
@@ -0,0 +1 @@
+location.reload()
diff --git a/icon128.png b/icon128.png
deleted file mode 100644
index 2c4f709..0000000
Binary files a/icon128.png and /dev/null differ
diff --git a/icon256.png b/icon256.png
deleted file mode 100644
index 8a36859..0000000
Binary files a/icon256.png and /dev/null differ
diff --git a/icon64.png b/icon64.png
deleted file mode 100644
index 5ecf9fc..0000000
Binary files a/icon64.png and /dev/null differ
diff --git a/icons/128.png b/icons/128.png
new file mode 100644
index 0000000..16b3e51
Binary files /dev/null and b/icons/128.png differ
diff --git a/icons/256.png b/icons/256.png
new file mode 100644
index 0000000..f6857f0
Binary files /dev/null and b/icons/256.png differ
diff --git a/icons/64.png b/icons/64.png
new file mode 100644
index 0000000..7e6e539
Binary files /dev/null and b/icons/64.png differ
diff --git a/manifest.json b/manifest.json
index e917698..b1bd650 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,24 +1,24 @@
 {
-  "manifest_version": 2,
+  "manifest_version": 3,
   "name": "dns-killer",
   "description": "DNS缓存杀手,一键清除chrome的DNS缓存, 并刷新当前选项卡。 web开发的利器。",
-  "version": "1.0.0",
+  "version": "2.0.0",
   "author": "yutent",
   "icons": {
-    "64": "icon64.png",
-    "128": "icon128.png",
-    "256": "icon256.png"
+    "64": "icons/64.png",
+    "128": "icons/128.png",
+    "256": "icons/256.png"
   },
   "background": {
-    "scripts": ["background.js"]
+    "service_worker": "background.js",
+    "type": "module"
   },
-  "browser_action": {
-    "default_icon": "icon64.png"
+  "action": {
+    "default_icon": { "64": "icons/64.png", "128": "icons/128.png" },
+    "default_title": "点击清除DNS缓存"
   },
-  "permissions": [
-    "tabs",
-    "chrome://net-internals/#dns",
-    "chrome://extensions/"
-  ],
-  "homepage_url": "https://yutent.top"
+  "permissions": ["tabs", "activeTab", "scripting"],
+  "host_permissions": ["chrome://net-internals/#dns"],
+  "optional_host_permissions": ["chrome://extensions/"],
+  "homepage_url": "https://github.com/yutent"
 }