diff --git a/addCheckboxes.js b/addCheckboxes.js
index c784769..ec1575d 100644
--- a/addCheckboxes.js
+++ b/addCheckboxes.js
@@ -28,8 +28,8 @@ function preventEventPropagation(event) {
 
 // 添加复选框到每个对话
 function addCheckboxes() {
-    console.log('Adding checkboxes to conversations...', window.getSelectors(), isPlusUser());
-    const conversations = document.querySelectorAll(window.getSelectors().CONVERSATION_SELECTOR);
+    console.log('Adding checkboxes to conversations...', Selectors);
+    const conversations = document.querySelectorAll(Selectors.CONVERSATION_SELECTOR);
 
     conversations.forEach((conversation, index) => {
         let existingCheckbox = conversation.querySelector(`.${CHECKBOX_CLASS}`);
@@ -50,7 +50,7 @@ function addCheckboxes() {
         conversation.insertAdjacentElement('afterbegin', checkbox);
 
         // 为对话标题添加点击事件
-        const titleElement = conversation.querySelector(window.getSelectors().TITLE_SELECTOR);
+        const titleElement = conversation.querySelector(Selectors.TITLE_SELECTOR);
         if (titleElement) {
             titleElement.style.cursor = 'default';
             if (!titleElement.dataset.hasClickListener) { // 检查是否已经添加了监听器
diff --git a/bulkDeleteConversations.js b/bulkDeleteConversations.js
index 8b5cc70..99a885f 100644
--- a/bulkDeleteConversations.js
+++ b/bulkDeleteConversations.js
@@ -17,61 +17,58 @@ async function bulkDeleteConversations() {
 }
 
 function getSelectedConversations() {
-  return [...document.querySelectorAll(window.getSelectors().conversationsCheckbox)];
+  return [...document.querySelectorAll(Selectors.conversationsCheckbox)];
 }
 
 function removeAllCheckboxes() {
-  const allCheckboxes = document.querySelectorAll(window.getSelectors().conversationsCheckbox);
+  const allCheckboxes = document.querySelectorAll(Selectors.conversationsCheckbox);
   allCheckboxes.forEach(checkbox => checkbox.remove());
 }
 
 async function deleteConversation(checkbox) {
   const conversationElement = checkbox.parentElement;
-
+  await delay(300);
   console.log("1. Clicking conversation...", conversationElement);
   conversationElement.click();
-  await delay(300);
 
-  const threeDotButton = conversationElement.parentElement.querySelector(window.getSelectors().threeDotButton);
-  await delay(500);
-
-  console.log("2. Clicking three dot button...", conversationElement);
   const pointerDownEvent = new PointerEvent('pointerdown', {
     bubbles: true,
     cancelable: true,
     pointerType: 'mouse'
   });
-
+  const threeDotButton = await waitForElement(Selectors.threeDotButton, conversationElement.parentElement);
   threeDotButton.dispatchEvent(pointerDownEvent);
+  await delay(300);
+  console.log("2. Clicking three dot button...", threeDotButton);
 
-  const deleteButton = await waitForElement(window.getSelectors().deleteButton);
+  const deleteButton = await waitForElement(Selectors.deleteButton);
 
   if (deleteButton) {
     console.log("3. Clicking delete button...", deleteButton);
 
     deleteButton.click();
-    const confirmButton = await waitForElement(window.getSelectors().confirmDeleteButton);
+    const confirmButton = await waitForElement(Selectors.confirmDeleteButton);
 
     if (confirmButton) {
       console.log("4. Clicking confirm button...");
       confirmButton.click();
 
-      await waitForElementToDisappear(window.getSelectors().confirmDeleteButton);
+      await waitForElementToDisappear(Selectors.confirmDeleteButton);
     }
   }
 
   console.log("5. Deletion completed.");
 }
 
-async function waitForElement(selector, timeout = 2000) {
+async function waitForElement(selector, parent = document, timeout = 2000) {
   const startedAt = Date.now();
   while ((Date.now() - startedAt) < timeout) {
-    const element = document.querySelector(selector);
-    if (element) return element;
+    const element = parent.querySelector(selector);
+    if (element) return element; // 返回找到的元素
     await delay(100);
   }
-  console.log(`Element ${selector} not found within ${timeout}ms`);
-  throw new Error(`Element ${selector} not found within ${timeout}ms`);
+  console.log(`Element ${selector} not found within ${timeout}ms in the specified parent`);
+  throw new Error(`Element ${selector} not found within ${timeout}ms in the specified parent`);
 }
 
 async function waitForElementToDisappear(selector, timeout = 2000) {
diff --git a/globals.js b/globals.js
index 918f66e..e20b728 100644
--- a/globals.js
+++ b/globals.js
@@ -2,18 +2,7 @@ console.log('globals.js loaded');
 
 let lastChecked = null;
 
-const standardSelectors = {
-    // 标准用户的选择器
-    conversationsCheckbox: '.conversation-checkbox:checked',
-    deleteButton: 'nav div a>div>button:nth-child(2)',
-    confirmDeleteButton: 'button.btn.btn-danger',
-    threeDotButton: '[id^="radix-"]',
-    // 其他标准用户选择器...
-    CONVERSATION_SELECTOR: 'div div span div ol li>a.flex',
-    TITLE_SELECTOR: '.flex-1.text-ellipsis.max-h-5.overflow-hidden.break-all.relative',
-};
-
-const plusSelectors = {
+let Selectors = {
     // Plus 用户的选择器
     conversationsCheckbox: '.conversation-checkbox:checked',
     deleteButton: '[class*="text-red"]',
@@ -24,16 +13,4 @@ const plusSelectors = {
     TITLE_SELECTOR: '.relative.grow.overflow-hidden.whitespace-nowrap',
 };
 
-const CHECKBOX_CLASS = 'conversation-checkbox';
-
-function isPlusUser() {
-    const spans = document.querySelectorAll('span.text-sm');
-    return Array.from(spans).some(span => span.textContent.trim() === "Explore");
-}
-
-function getSelectors() {
-    return isPlusUser() ? plusSelectors : plusSelectors;
-}
-
-// 暴露 getSelectors 函数到全局作用域
-window.getSelectors = getSelectors;
\ No newline at end of file
+let CHECKBOX_CLASS = 'conversation-checkbox';
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index 3114f4f..6194059 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
 {
   "manifest_version": 3,
   "name": "ChatGPT Bulk Delete",
-  "version": "3.0",
+  "version": "4.0",
   "description": "A Chrome extension to bulk delete ChatGPT conversations",
   "icons": {
     "48": "icon48.png"
@@ -24,7 +24,8 @@
         "globals.js",
         "addCheckboxes.js",
         "bulkDeleteConversations.js"
-      ]
+      ],
+      "run_at": "document_idle"
     }
   ]
 }