diff --git a/background.js b/background.js
index a1d8ce4..aee6c10 100644
--- a/background.js
+++ b/background.js
@@ -17,42 +17,6 @@ chrome.contextMenus.create({
     AttachDebugger();
   }
 });
-// var cache_tabid_new = {}
-// var cache_tabid_att = {}
-// var debug_tab = false
-// function attach_tab_debug(tabId, changeInfo, tab) {
-//   if (!changeInfo.url || changeInfo.url.indexOf('chrome://') == 0) return
-//   if (!debug_tab) return
-//   cache_tabid_new[tabId] = 1
-//   var tabids = Object.keys(cache_tabid_new)
-//   for (var i = 0; i < tabids.length; i++) {
-//     if (cache_tabid_new[tabids[i]] == 1 && !cache_tabid_att[tabids[i]]){
-//       cache_tabid_att[tabids[i]] = 1
-//       var currtab = { tabId: +tabids[i] };
-//       chrome.debugger.attach(currtab, "1.2", function () {
-//         chrome.debugger.sendCommand(currtab, "Page.enable", {}, function(){});
-//         chrome.debugger.sendCommand(currtab, "Page.addScriptToEvaluateOnNewDocument", {
-//           source: "console.log(123)"
-//         }, function(){});
-//       });
-//     }
-//   }
-// }
-// chrome.tabs.onUpdated.addListener(attach_tab_debug); 
-// chrome.debugger.onDetach.addListener(function(){ debug_tab = false })
-// chrome.contextMenus.create({
-//   title: "测试代码超前运行",
-//   contexts: ['all'],
-//   onclick: function(){
-//     debug_tab = true
-//     chrome.tabs.query(
-//       { active: true, currentWindow: true }, 
-//       function (tabs) {
-//         attach_tab_debug(tabs[0].id, {url: 'vilame'})
-//       }
-//     );
-//   }
-// });
 function sendCommand(method, params, source, chainfun){
   chrome.debugger.sendCommand(source, method, params, function(result){
     if (chrome.runtime.lastError) {
diff --git a/options.html b/options.html
index 167e9cf..72ad0d4 100644
--- a/options.html
+++ b/options.html
@@ -121,6 +121,13 @@
             <HR>
             <textarea id='myinject' data-key="config-myinject" style="width: 100%; height: 500px"></textarea>
             <br/>
+            <br/>
+            <button id='add_script_in_all_document'>超前注入</button>
+            <div>仅调式模式下可用</div>
+            <div>对已经打开的 tab 标签页面(非空页面)进行超前注入，注入过程只有一次，并不会像是上面的注入模式那样可以动态修改代码，如果想要让修改后的代码生效就需要关闭调式模式重新打开。</div>
+            <HR>
+            <textarea id='myinject_2' data-key="config-myinject_2" style="width: 100%; height: 500px"></textarea>
+            <br/>
             <!-- <div>修改代理:<input type="text" data-key="config-proxy_config" id="proxy_config"></div> -->
         </section>
         <section class="tab">
diff --git a/options.js b/options.js
index 30f3335..078d56d 100644
--- a/options.js
+++ b/options.js
@@ -500,6 +500,15 @@ myinject.addEventListener("change", function(v){
     [v.target.dataset.key]: v.target.value
   })
 })
+var myinject_2 = document.getElementById('myinject_2');
+chrome.storage.local.get([myinject_2.dataset.key], function (result) {
+  myinject_2.value = result[myinject_2.dataset.key] || '';
+})
+myinject_2.addEventListener("change", function(v){
+  chrome.storage.local.set({
+    [v.target.dataset.key]: v.target.value
+  })
+})
 
 var get_now = document.getElementById('get_now');
 get_now.addEventListener("click", function(){
@@ -553,7 +562,54 @@ proxy_js.addEventListener("click", function(){
   code_model.value = clear_mode(mk_proxy_code)
 })
 
+var add_script_in_all_document = document.getElementById('add_script_in_all_document');
+add_script_in_all_document.addEventListener("click", function(){
+  debug_tab = true
+  chrome.tabs.query(
+    { active: true, currentWindow: true }, 
+    function (tabs) {
+      chrome.debugger.attach({ tabId: tabs[0].id }, "1.2", function(){});
+    }
+  );
+})
+
+var cache_tabid_new = {}
+var cache_tabid_att = {}
+var debug_tab = false
+function attach_tab_debug(tabId){
+  cache_tabid_new[tabId] = 1
+  var tabids = Object.keys(cache_tabid_new)
+  for (var i = 0; i < tabids.length; i++) {
+    if (cache_tabid_new[tabids[i]] == 1 && !cache_tabid_att[tabids[i]]){
+      cache_tabid_att[tabids[i]] = 1
+      var currtab = { tabId: +tabids[i] };
+      chrome.debugger.attach(currtab, "1.2", function () {
+        chrome.debugger.sendCommand(currtab, "Page.enable", function(){});
+        chrome.debugger.sendCommand(currtab, "Page.addScriptToEvaluateOnNewDocument", {
+          source: myinject_2.value
+        }, function(){});
+      });
+    }
+  }
+}
+// function attach_tab_debug_update(tabId, changeInfo, tab) {
+//   if (!changeInfo.url || changeInfo.url.indexOf('chrome://') == 0) return
+//   if (!debug_tab) return
+//   attach_tab_debug(tabId)
+// }
+function attach_tab_debug_active(tabIdobj){
+  if (!debug_tab) return
+  attach_tab_debug(tabIdobj.tabId)
+}
+// chrome.tabs.onUpdated.addListener(attach_tab_debug_update); 
+chrome.tabs.onActivated.addListener(attach_tab_debug_active); 
+chrome.debugger.onDetach.addListener(function(){
+  cache_tabid_new = {}
+  cache_tabid_att = {} 
+  debug_tab = false 
+})
+
 // var proxy_config = document.getElementById('proxy_config');
 // proxy_config.addEventListener("change", function(v){
 //   v.target.value
-// })
\ No newline at end of file
+// })