diff --git a/plugin/lib/quickcomposer/browser/browser.js b/plugin/lib/quickcomposer/browser/browser.js
index 22ff72e..7c688ae 100644
--- a/plugin/lib/quickcomposer/browser/browser.js
+++ b/plugin/lib/quickcomposer/browser/browser.js
@@ -6,10 +6,7 @@ const http = require("http");
 const axios = require("axios");
 const fs = require("fs");
 
-let client = null;
-let Page = null;
-let Runtime = null;
-let DOM = null;
+let clients = new Map(); // 存储每个标签页的CDP客户端
 
 const getBrowserPath = (browser = "msedge") => {
   const platform = os.platform();
@@ -120,7 +117,6 @@ const launchBrowser = async (options) => {
     throw new Error("未找到浏览器，或未指定浏览器路径");
   }
 
-  // 查找可用端口
   const port = await findAvailablePort(9222);
 
   const args = [
@@ -140,7 +136,6 @@ const launchBrowser = async (options) => {
   ].filter(Boolean);
 
   return new Promise(async (resolve, reject) => {
-    // 如果使用独立用户数据目录，则需要先杀死已有的浏览器进程
     if (!useSingleUserDataDir) {
       try {
         await killRunningBrowser(browserType);
@@ -151,9 +146,7 @@ const launchBrowser = async (options) => {
     }
     const child = exec(
       `"${browserPath}" ${args.join(" ")}`,
-      {
-        windowsHide: true,
-      },
+      { windowsHide: true },
       async (error) => {
         if (error) {
           reject(error);
@@ -162,13 +155,9 @@ const launchBrowser = async (options) => {
       }
     );
 
-    // 等待端口可用
     waitForPort(port).then((success) => {
       if (success) {
-        resolve({
-          pid: child.pid,
-          port,
-        }); // 返回使用的端口号
+        resolve({ pid: child.pid, port });
       } else {
         reject(new Error("浏览器启动超时，请检查是否有权限问题或防火墙限制"));
       }
@@ -192,78 +181,247 @@ const killRunningBrowser = (browserType = "msedge") => {
   });
 };
 
-const initCDP = async (port) => {
-  if (!client) {
+const initCDP = async (targetId) => {
+  if (!clients.has(targetId)) {
     try {
-      client = await CDP({ port });
-      ({ Page, Runtime, DOM } = client);
-      await Promise.all([Page.enable(), Runtime.enable(), DOM.enable()]);
+      const client = await CDP({ target: targetId });
+      const { Page, Runtime, Target, Network, Emulation } = client;
+      await Promise.all([Page.enable(), Runtime.enable()]);
+      clients.set(targetId, {
+        client,
+        Page,
+        Runtime,
+        Target,
+        Network,
+        Emulation,
+      });
     } catch (err) {
       console.log(err);
       throw new Error(`请先通过浏览器控制中的"启动浏览器"打开浏览器`);
     }
   }
-  return { Page, Runtime, DOM };
+  return clients.get(targetId);
 };
 
-const getUrl = async () => {
-  const { Page } = await initCDP();
-  const { frameTree } = await Page.getFrameTree();
-  return frameTree.frame.url;
-};
-
-const setUrl = async (url) => {
-  const { Page } = await initCDP();
-  await Page.navigate({ url });
-  await Page.loadEventFired();
-};
-
-const executeScript = async (script, args = {}) => {
-  const { Runtime } = await initCDP();
-  // 构建参数列表
-  const argNames = Object.keys(args);
-  const argValues = Object.values(args).map((v) => JSON.stringify(v));
-
-  const wrappedScript = `
-        (async function(${argNames.join(", ")}) {
-          ${script}
-        })(${argValues.join(", ")})
-      `;
-  const { result } = await Runtime.evaluate({
-    expression: wrappedScript,
-    returnByValue: true,
-    awaitPromise: true,
-  });
-  return result.value;
-};
-
-const setCookie = async (cookies, options = {}) => {
-  const { Network } = await initCDP();
-  for (const cookie of cookies) {
-    await Network.setCookie({
-      name: cookie.name,
-      value: cookie.value,
-      domain: options.domain || undefined,
-      path: options.path || "/",
-      secure: options.secure || false,
-      expires: options.expires
-        ? Math.floor(Date.now() / 1000) + options.expires * 3600
-        : undefined,
-    });
+const cleanupCDP = async (targetId) => {
+  const client = clients.get(targetId);
+  if (client) {
+    await client.client.close();
+    clients.delete(targetId);
   }
 };
 
-const getCookie = async (name) => {
-  const { Network } = await initCDP();
-  const cookies = await Network.getCookies();
+// 获取所有标签页
+const getTabs = async () => {
+  const targets = await CDP.List();
+  return targets
+    .filter((target) => target.type === "page")
+    .map((target) => ({
+      url: target.url,
+      title: target.title,
+      id: target.id,
+    }));
+};
+
+// 获取当前活动标签页
+const getCurrentTab = async () => {
+  const targets = await CDP.List();
+  // 一般排第一个的就是活动标签页
+  const currentTarget = targets.find((target) => target.type === "page");
+
+  if (!currentTarget) {
+    throw new Error("未找到当前活动标签页");
+  }
+
+  return {
+    url: currentTarget.url,
+    title: currentTarget.title,
+    id: currentTarget.id,
+  };
+};
+
+// 搜索标签页
+const searchTarget = async (tab) => {
+  if (!tab || !tab.by || !tab.searchValue || tab.by === "active") {
+    const currentTab = await getCurrentTab();
+    return currentTab;
+  }
+
+  const targets = await CDP.List();
+  const target = targets.find((target) =>
+    target[tab.by].includes(tab.searchValue)
+  );
+  if (!target) {
+    throw new Error(`未找到目标标签页: ${tab.by} = ${tab.searchValue}`);
+  }
+  return target;
+};
+
+// 激活指定标签页
+const activateTab = async (tab) => {
+  const target = await searchTarget(tab);
+  await CDP.Activate({ id: target.id });
+};
+
+// 创建新标签页
+const createNewTab = async (url = "about:blank") => {
+  const currentTab = await getCurrentTab();
+  const { Target } = await initCDP(currentTab.id);
+  const { targetId } = await Target.createTarget({ url });
+  const { targetInfo } = await Target.getTargetInfo({ targetId });
+  await cleanupCDP(currentTab.id);
+  return {
+    url: targetInfo.url,
+    title: targetInfo.title,
+    id: targetId,
+  };
+};
+
+// 关闭标签页
+const closeTab = async (tab) => {
+  const target = await searchTarget(tab);
+  await cleanupCDP(target.id);
+  await CDP.Close({ id: target.id });
+};
+
+const getUrl = async (tab) => {
+  const target = await searchTarget(tab);
+  const { Page } = await initCDP(target.id);
+  const { frameTree } = await Page.getFrameTree();
+  await cleanupCDP(target.id);
+  return frameTree.frame.url;
+};
+
+const setUrl = async (tab, url) => {
+  const target = await searchTarget(tab);
+  const { Page } = await initCDP(target.id);
+  await Page.navigate({ url });
+  await Page.loadEventFired();
+  await cleanupCDP(target.id);
+};
+
+const executeScript = async (tab, script, args = {}) => {
+  const target = await searchTarget(tab);
+  try {
+    const { Runtime } = await initCDP(target.id);
+    const argNames = Object.keys(args);
+    const argValues = Object.values(args).map((v) => JSON.stringify(v));
+
+    const wrappedScript = `
+      (function(${argNames.join(", ")}) {
+        ${script}
+      })(${argValues.join(", ")})
+    `;
+
+    const { result } = await Runtime.evaluate({
+      expression: wrappedScript,
+      returnByValue: true,
+      awaitPromise: true,
+    });
+
+    await cleanupCDP(target.id);
+    return result.value;
+  } catch (e) {
+    console.log(e);
+    throw new Error("执行脚本失败");
+  }
+};
+
+const setCookie = async (tab, cookies, options = {}) => {
+  const target = await searchTarget(tab);
+  const { Network, Page } = await initCDP(target.id);
+  try {
+    // 直接从Page获取URL，避免创建新连接
+    const { frameTree } = await Page.getFrameTree();
+    const url = frameTree.frame.url;
+
+    for (const cookie of cookies) {
+      await Network.setCookie({
+        name: cookie.name,
+        value: cookie.value,
+        domain: options.domain || url.split("/")[2],
+        path: options.path || "/",
+        secure: options.secure || false,
+        expires: options.expires
+          ? Math.floor(Date.now() / 1000) + options.expires * 3600
+          : undefined,
+      });
+    }
+  } finally {
+    await cleanupCDP(target.id);
+  }
+};
+
+const getCookie = async (tab, name) => {
+  const target = await searchTarget(tab);
+  const { Network } = await initCDP(target.id);
+  const { cookies } = await Network.getCookies();
+  await cleanupCDP(target.id);
+  if (!name) return cookies;
   return cookies.find((cookie) => cookie.name === name);
 };
 
+// 捕获标签页截图
+const captureScreenshot = async (tab, options = {}) => {
+  const target = await searchTarget(tab);
+  const { format = "png", quality = 100, fullPage = false, savePath } = options;
+
+  try {
+    const { Page, Emulation } = await initCDP(target.id);
+
+    if (fullPage) {
+      const metrics = await Page.getLayoutMetrics();
+      const width = Math.max(
+        metrics.contentSize.width,
+        metrics.layoutViewport.clientWidth,
+        metrics.visualViewport.clientWidth
+      );
+      const height = Math.max(
+        metrics.contentSize.height,
+        metrics.layoutViewport.clientHeight,
+        metrics.visualViewport.clientHeight
+      );
+      await Emulation.setDeviceMetricsOverride({
+        width,
+        height,
+        deviceScaleFactor: 1,
+        mobile: false,
+      });
+    }
+
+    const { data } = await Page.captureScreenshot({
+      format,
+      quality: format === "jpeg" ? quality : undefined,
+      fromSurface: true,
+      captureBeyondViewport: fullPage,
+    });
+
+    if (fullPage) {
+      await Emulation.clearDeviceMetricsOverride();
+    }
+
+    if (savePath) {
+      fs.writeFileSync(savePath, data, "base64");
+    }
+
+    return data;
+  } finally {
+    await cleanupCDP(target.id);
+  }
+};
+
 module.exports = {
   launchBrowser,
+  killRunningBrowser,
+  getTabs,
+  getCurrentTab,
+  activateTab,
+  createNewTab,
+  closeTab,
   getUrl,
   setUrl,
   executeScript,
   setCookie,
   getCookie,
+  captureScreenshot,
 };
diff --git a/plugin/lib/quickcomposer/browser/script.js b/plugin/lib/quickcomposer/browser/execScript.js
similarity index 69%
rename from plugin/lib/quickcomposer/browser/script.js
rename to plugin/lib/quickcomposer/browser/execScript.js
index b388365..4075b18 100644
--- a/plugin/lib/quickcomposer/browser/script.js
+++ b/plugin/lib/quickcomposer/browser/execScript.js
@@ -1,11 +1,15 @@
 const { executeScript } = require("./browser");
 
-const clickElement = async (selector) => {
-  return await executeScript(`document.querySelector('${selector}').click()`);
+const clickElement = async (tab, selector) => {
+  return await executeScript(
+    tab,
+    `document.querySelector('${selector}').click()`
+  );
 };
 
-const inputText = async (selector, text) => {
+const inputText = async (tab, selector, text) => {
   return await executeScript(
+    tab,
     `
       const el = document.querySelector('${selector}');
       el.value = '${text}';
@@ -15,52 +19,62 @@ const inputText = async (selector, text) => {
   );
 };
 
-const getText = async (selector) => {
+const getText = async (tab, selector) => {
   return await executeScript(
+    tab,
     `document.querySelector('${selector}')?.textContent || ''`
   );
 };
 
-const getHtml = async (selector) => {
+const getHtml = async (tab, selector) => {
   return await executeScript(
+    tab,
     `const element = document.querySelector('${selector}');
       return element ? element.innerHTML : '';`
   );
 };
 
-const hideElement = async (selector) => {
+const hideElement = async (tab, selector) => {
   return await executeScript(
+    tab,
     `document.querySelector('${selector}').style.display = 'none'`
   );
 };
 
-const showElement = async (selector) => {
+const showElement = async (tab, selector) => {
   return await executeScript(
+    tab,
     `document.querySelector('${selector}').style.display = ''`
   );
 };
 
-const scrollTo = async (x, y) => {
-  return await executeScript(`window.scrollTo(${x}, ${y})`);
+const scrollTo = async (tab, x, y) => {
+  return await executeScript(tab, `window.scrollTo(${x}, ${y})`);
 };
 
-const scrollToElement = async (selector) => {
+const scrollToElement = async (tab, selector) => {
   return await executeScript(
+    tab,
     `document.querySelector('${selector}').scrollIntoView()`
   );
 };
 
-const getScrollPosition = async () => {
-  return await executeScript(`
+const getScrollPosition = async (tab) => {
+  return await executeScript(
+    tab,
+    `
       return JSON.stringify({
         x: window.pageXOffset || document.documentElement.scrollLeft,
         y: window.pageYOffset || document.documentElement.scrollTop
       });
-    `);
+    `
+  );
 };
 
-const getPageSize = async () => {
-  return await executeScript(`
+const getPageSize = async (tab) => {
+  return await executeScript(
+    tab,
+    `
       return JSON.stringify({
         width: Math.max(
           document.documentElement.scrollWidth,
@@ -71,13 +85,15 @@ const getPageSize = async () => {
           document.documentElement.clientHeight
         )
       });
-    `);
+    `
+  );
 };
 
-const waitForElement = async (selector, timeout = 5000) => {
+const waitForElement = async (tab, selector, timeout = 5000) => {
   const startTime = Date.now();
   while (Date.now() - startTime < timeout) {
     const result = await executeScript(
+      tab,
       `!!document.querySelector('${selector}')`
     );
     if (result) return;
@@ -86,8 +102,9 @@ const waitForElement = async (selector, timeout = 5000) => {
   throw new Error(`等待元素 ${selector} 超时`);
 };
 
-const injectCSS = async (css) => {
+const injectCSS = async (tab, css) => {
   return await executeScript(
+    tab,
     `
       const style = document.createElement('style');
       style.textContent = \`${css}\`;
diff --git a/plugin/lib/quickcomposer/browser/getSelector.js b/plugin/lib/quickcomposer/browser/getSelector.js
index 849fb5b..6a16eb5 100644
--- a/plugin/lib/quickcomposer/browser/getSelector.js
+++ b/plugin/lib/quickcomposer/browser/getSelector.js
@@ -116,8 +116,10 @@ const getOptimalSelector = () => {
   `;
 };
 
-const getSelector = async () => {
-  return await executeScript(`
+const getSelector = async (tab) => {
+  return await executeScript(
+    tab,
+    `
     return new Promise((resolve) => {
       // 创建高亮元素
       const highlight = document.createElement('div');
@@ -172,7 +174,8 @@ const getSelector = async () => {
       document.addEventListener('mousemove', handleMouseMove);
       document.addEventListener('click', handleClick, true);
     });
-  `);
+  `
+  );
 };
 
 module.exports = {
diff --git a/plugin/lib/quickcomposer/browser/index.js b/plugin/lib/quickcomposer/browser/index.js
index ac69262..60b5507 100644
--- a/plugin/lib/quickcomposer/browser/index.js
+++ b/plugin/lib/quickcomposer/browser/index.js
@@ -1,11 +1,9 @@
 const browser = require("./browser");
-const tabs = require("./tabs");
 const getSelector = require("./getSelector");
-const script = require("./script");
+const execScript = require("./execScript");
 
 module.exports = {
   ...browser,
   ...getSelector,
-  ...tabs,
-  ...script,
+  ...execScript,
 };
diff --git a/plugin/lib/quickcomposer/browser/tabs.js b/plugin/lib/quickcomposer/browser/tabs.js
deleted file mode 100644
index de341cf..0000000
--- a/plugin/lib/quickcomposer/browser/tabs.js
+++ /dev/null
@@ -1,76 +0,0 @@
-const CDP = require("chrome-remote-interface");
-const { executeScript } = require("./browser");
-
-let client = null;
-let Page = null;
-let Runtime = null;
-let Target = null;
-
-const initCDP = async (port) => {
-  if (!client) {
-    try {
-      client = await CDP({ port });
-      ({ Page, Runtime, Target } = client);
-      await Promise.all([Page.enable(), Runtime.enable()]);
-    } catch (err) {
-      console.log(err);
-      throw new Error(`请先通过浏览器控制中的"启动浏览器"打开浏览器`);
-    }
-  }
-  return { Page, Runtime, Target };
-};
-
-// 获取所有标签页
-const getTabs = async () => {
-  const targets = await CDP.List();
-  return targets
-    .filter((target) => target.type === "page")
-    .map((target) => ({
-      url: target.url,
-      title: target.title,
-      id: target.id,
-    }));
-};
-
-const searchTarget = async (searchProperty, searchValue) => {
-  const targets = await CDP.List();
-  const target = targets.find((target) =>
-    target[searchProperty].includes(searchValue)
-  );
-  if (!target) {
-    throw new Error(`未找到目标: ${searchProperty} = ${searchValue}`);
-  }
-  return target;
-};
-
-// 激活指定标签页
-const activateTab = async (searchProperty, searchValue) => {
-  const target = await searchTarget(searchProperty, searchValue);
-  await CDP.Activate({ id: target.id });
-};
-
-// 创建新标签页
-const createNewTab = async (url = "about:blank") => {
-  const { Target } = await initCDP();
-  const { targetId } = await Target.createTarget({ url });
-  const { targetInfo } = await Target.getTargetInfo({ targetId });
-  return {
-    url: targetInfo.url,
-    title: targetInfo.title,
-    id: targetId,
-  };
-};
-
-// 关闭标签页
-const closeTab = async (searchProperty, searchValue) => {
-  const target = await searchTarget(searchProperty, searchValue);
-  await CDP.Close({ id: target.id });
-};
-
-
-module.exports = {
-  getTabs,
-  activateTab,
-  createNewTab,
-  closeTab,
-};
diff --git a/src/js/composer/commands/browserCommands.js b/src/js/composer/commands/browserCommands.js
index 0a7c6b6..e3e122b 100644
--- a/src/js/composer/commands/browserCommands.js
+++ b/src/js/composer/commands/browserCommands.js
@@ -1,5 +1,32 @@
 import { newVarInputVal } from "js/composer/varInputValManager";
 
+const tabConfig = {
+  component: "OptionEditor",
+  width: 12,
+  options: {
+    by: {
+      component: "QSelect",
+      label: "标签",
+      width: 3,
+      options: [
+        { label: "当前标签页", value: "active" },
+        { label: "通过URL", value: "url" },
+        { label: "通过标题", value: "title" },
+        { label: "通过ID", value: "id" },
+      ],
+    },
+    searchValue: {
+      component: "VariableInput",
+      icon: "tab",
+      width: 9,
+      placeholder: "当前标签页留空，其他支持模糊匹配",
+    },
+  },
+  defaultValue: {
+    by: "active",
+  },
+};
+
 export const browserCommands = {
   label: "浏览器控制",
   icon: "web",
@@ -79,6 +106,7 @@ export const browserCommands = {
       label: "获取/设置网址",
       icon: "link",
       isAsync: true,
+      config: [tabConfig],
       subCommands: [
         {
           value: "quickcomposer.browser.getUrl",
@@ -103,7 +131,7 @@ export const browserCommands = {
     },
     {
       value: "quickcomposer.browser.getTabs",
-      label: "获取/切换标签",
+      label: "标签操作",
       icon: "tab",
       isAsync: true,
       subCommands: [
@@ -116,26 +144,12 @@ export const browserCommands = {
           value: "quickcomposer.browser.activateTab",
           label: "切换标签",
           icon: "tab_unselected",
-          config: [
-            {
-              component: "QSelect",
-              icon: "tab",
-              width: 3,
-              options: [
-                { label: "通过URL", value: "url" },
-                { label: "通过标题", value: "title" },
-                { label: "通过ID", value: "id" },
-              ],
-              defaultValue: "url",
-            },
-            {
-              label: "URL/标题/ID",
-              component: "VariableInput",
-              icon: "tab",
-              width: 9,
-              placeholder: "支持模糊匹配",
-            },
-          ],
+          config: [tabConfig],
+        },
+        {
+          value: "quickcomposer.browser.getCurrentTab",
+          label: "获取当前标签页",
+          icon: "tab",
         },
         {
           value: "quickcomposer.browser.createNewTab",
@@ -155,26 +169,69 @@ export const browserCommands = {
           value: "quickcomposer.browser.closeTab",
           label: "关闭标签页",
           icon: "tab",
-          config: [
-            {
+          config: [tabConfig],
+        },
+      ],
+    },
+    {
+      value: "quickcomposer.browser.captureScreenshot",
+      label: "捕获截图",
+      icon: "screenshot",
+      config: [
+        tabConfig,
+        {
+          label: "选项",
+          component: "OptionEditor",
+          icon: "settings",
+          width: 12,
+          options: {
+            format: {
+              label: "格式",
               component: "QSelect",
-              icon: "tab",
-              width: 3,
+              icon: "format",
+              width: 4,
               options: [
-                { label: "通过URL", value: "url" },
-                { label: "通过标题", value: "title" },
-                { label: "通过ID", value: "id" },
+                { label: "PNG", value: "png" },
+                { label: "JPEG", value: "jpeg" },
+                { label: "WebP", value: "webp" },
               ],
-              defaultValue: "url",
             },
-            {
-              label: "搜索条件",
+            quality: {
+              label: "质量",
+              component: "NumberInput",
+              icon: "quality",
+              width: 4,
+              min: 0,
+              max: 100,
+            },
+            fullPage: {
+              label: "全屏截图",
+              component: "CheckButton",
+              icon: "fullscreen",
+              width: 4,
+            },
+            savePath: {
+              label: "保存路径",
               component: "VariableInput",
-              icon: "tab",
-              width: 9,
-              placeholder: "支持模糊匹配",
+              icon: "folder",
+              placeholder: "留空则不保存",
+              width: 12,
+              options: {
+                dialog: {
+                  type: "save",
+                  options: {
+                    title: "保存截图",
+                    properties: ["saveFile"],
+                  },
+                },
+              },
             },
-          ],
+          },
+          defaultValue: {
+            format: "png",
+            quality: 100,
+            fullPage: false,
+          },
         },
       ],
     },
@@ -184,6 +241,7 @@ export const browserCommands = {
       icon: "code",
       isAsync: true,
       config: [
+        tabConfig,
         {
           label: "脚本内容",
           component: "CodeEditor",
@@ -204,6 +262,7 @@ export const browserCommands = {
       label: "Cookie操作",
       icon: "cookie",
       isAsync: true,
+      config: [tabConfig],
       subCommands: [
         {
           value: "quickcomposer.browser.setCookie",
@@ -282,7 +341,7 @@ export const browserCommands = {
               component: "VariableInput",
               icon: "label",
               width: 12,
-              placeholder: "输入Cookie名称",
+              placeholder: "输入Cookie名称，留空则获取所有",
             },
           ],
         },
@@ -294,6 +353,7 @@ export const browserCommands = {
       icon: "style",
       isAsync: true,
       config: [
+        tabConfig,
         {
           label: "CSS内容",
           component: "CodeEditor",
@@ -303,19 +363,13 @@ export const browserCommands = {
         },
       ],
     },
-    {
-      value: "quickcomposer.browser.getSelector",
-      label: "手动选择元素",
-      icon: "mouse",
-      isAsync: true,
-      config: [],
-    },
     {
       value: "quickcomposer.browser.clickElement",
       label: "元素操作",
       icon: "web",
       isAsync: true,
       config: [
+        tabConfig,
         {
           label: "选择器",
           component: "VariableInput",
@@ -395,6 +449,7 @@ export const browserCommands = {
       label: "滚动及页面尺寸",
       icon: "open_in_full",
       isAsync: true,
+      config: [tabConfig],
       subCommands: [
         {
           value: "quickcomposer.browser.scrollTo",