diff --git a/component/customDomSelector/Tooltip.tsx b/component/customDomSelector/Tooltip.tsx
new file mode 100644
index 0000000..baae45c
--- /dev/null
+++ b/component/customDomSelector/Tooltip.tsx
@@ -0,0 +1,67 @@
+import {
+  CheckOutlined,
+  CloseOutlined,
+  DownSquareOutlined,
+  LeftSquareOutlined,
+  RightSquareOutlined,
+  UpSquareOutlined
+} from "@ant-design/icons"
+import { Button, Flex, message, Modal } from "antd"
+import React, { useCallback, useEffect, useRef, useState } from "react"
+
+export default function Tooltip(props: any) {
+  const handleConfirm = () => {
+    props.onConfirm()
+  }
+
+  const navigateElement = (direction: "parent" | "child" | "prev" | "next") => {
+    props.onNavigate(direction)
+  }
+
+  const handleCancel = () => {
+    props.onCancel()
+  }
+
+  return (
+    <Flex wrap gap="small">
+      <Button
+        type="primary"
+        size="small"
+        icon={<CheckOutlined />}
+        onClick={handleConfirm}>
+        确定
+      </Button>
+      <Button
+        size="small"
+        icon={<UpSquareOutlined />}
+        onClick={() => navigateElement("parent")}>
+        父节点
+      </Button>
+      <Button
+        size="small"
+        icon={<DownSquareOutlined />}
+        onClick={() => navigateElement("child")}>
+        子节点
+      </Button>
+      <Button
+        size="small"
+        icon={<LeftSquareOutlined />}
+        onClick={() => navigateElement("prev")}>
+        上一个
+      </Button>
+      <Button
+        size="small"
+        icon={<RightSquareOutlined />}
+        onClick={() => navigateElement("next")}>
+        下一个
+      </Button>
+      <Button
+        danger
+        size="small"
+        icon={<CloseOutlined />}
+        onClick={handleCancel}>
+        取消
+      </Button>
+    </Flex>
+  )
+}
diff --git a/component/customDomSelector/index.tsx b/component/customDomSelector/index.tsx
new file mode 100644
index 0000000..4f89ec0
--- /dev/null
+++ b/component/customDomSelector/index.tsx
@@ -0,0 +1,272 @@
+import { Modal } from "antd"
+import React, { useEffect, useRef, useState } from "react"
+import { createRoot } from "react-dom/client"
+
+import { useMessage } from "@plasmohq/messaging/hook"
+import { useStorage } from "@plasmohq/storage/hook"
+
+import { addCss, saveHtml, saveMarkdown, scrollToTop, setIcon } from "~tools"
+import { savePdf } from "~utils/downloadPdf"
+import { useContent } from "~utils/editMarkdownHook"
+import Turndown from "~utils/turndown"
+
+import Tooltip from "./Tooltip"
+
+const turndownService = Turndown()
+
+export default function CustomDomSelector() {
+  const isReady = useRef(false)
+  const isSelect = useRef(false)
+  const downloadType = useRef("")
+  const [content, setContent] = useContent()
+  const [validTime] = useStorage("app-validTime", "1730390400")
+  const [isModalOpen, setIsModalOpen] = useState(false)
+
+  const selectorRef = useRef<HTMLElement | null>(null)
+  const tooltipRef = useRef<HTMLElement | null>(null)
+
+  const articleTitle = document
+    .querySelector<HTMLElement>("head title")
+    ?.innerText.trim()
+
+  useEffect(() => {
+    addEventListeners()
+    setIcon(true)
+    addCss(`.codebox-current { outline: 2px solid #42b88350 !important; }`)
+    return () => {
+      removeEventListeners()
+      // removeSelector()
+      removeTooltip()
+      removeHighlight()
+    }
+  }, [])
+
+  const createSelector = () => {
+    const selector = document.createElement("div")
+    selector.classList.add("codebox-selector")
+    selector.style.position = "absolute"
+    selector.style.pointerEvents = "none"
+    selector.style.zIndex = "2147483640"
+    selector.style.backgroundColor = "#42b88325"
+    selector.style.border = "2px solid #42b88350"
+    selector.style.borderRadius = "2px"
+    selector.style.transition = "all 0.1s ease-in"
+    selector.style.display = "none"
+    document.body.appendChild(selector)
+    selectorRef.current = selector
+  }
+
+  const createTooltip = () => {
+    const tooltip = document.createElement("div")
+    tooltip.classList.add("codebox-tooltip")
+    tooltip.style.position = "absolute"
+    tooltip.style.zIndex = "2147483641"
+    tooltip.style.backgroundColor = "#fff"
+    tooltip.style.border = "1px solid #eee"
+    tooltip.style.borderRadius = "5px"
+    tooltip.style.padding = "8px"
+    tooltip.style.boxShadow = "0 2px 8px rgba(0, 0, 0, 0.15)"
+    // tooltip.style.display = "none"
+    document.body.appendChild(tooltip)
+    const root = createRoot(tooltip)
+    root.render(
+      <Tooltip
+        onConfirm={handleConfirm}
+        onCancel={handleCancel}
+        onNavigate={navigateElement}
+      />
+    )
+    tooltipRef.current = tooltip
+  }
+
+  const removeSelector = () => {
+    if (selectorRef.current) {
+      document.body.removeChild(selectorRef.current)
+    }
+  }
+
+  const removeTooltip = () => {
+    if (tooltipRef.current) {
+      document.body.removeChild(tooltipRef.current)
+      tooltipRef.current = null
+    }
+  }
+
+  const addEventListeners = () => {
+    document.addEventListener("mousemove", handleMouseMove)
+    document.addEventListener("click", handleClick)
+  }
+
+  const removeEventListeners = () => {
+    document.removeEventListener("mousemove", handleMouseMove)
+    document.removeEventListener("click", handleClick)
+  }
+
+  const handleMouseMove = (event: MouseEvent) => {
+    if (isReady.current && !isSelect.current) {
+      const target = event.target as HTMLElement
+      highlightElement(target)
+      // updateSelectorPosition(target)
+    }
+  }
+
+  const handleClick = (event: MouseEvent) => {
+    if (isReady.current) {
+      const target = event.target as HTMLElement
+      const tooltip = target.closest(".codebox-tooltip")
+      const modal = target.closest(".codebox-modal")
+      const submit = target.closest(".valid-submit")
+
+      if (!tooltip && !modal && !submit) {
+        removeTooltip()
+        createTooltip()
+        isSelect.current = true
+        highlightElement(target)
+        // updateSelectorPosition(target)
+        updateTooltipPosition(target)
+        event.stopPropagation()
+        event.preventDefault()
+      }
+    }
+  }
+
+  const highlightElement = (element: HTMLElement) => {
+    removeHighlight()
+    element.classList.add("codebox-current")
+    selectorRef.current = element
+  }
+
+  const removeHighlight = () => {
+    const currentList = document.querySelectorAll(".codebox-current")
+    currentList.forEach((el) => el.classList.remove("codebox-current"))
+    selectorRef.current = null
+  }
+
+  const updateSelectorPosition = (element: HTMLElement) => {
+    if (selectorRef.current) {
+      const rect = element.getBoundingClientRect()
+      selectorRef.current.style.top = `${rect.top + window.scrollY}px`
+      selectorRef.current.style.left = `${rect.left + window.scrollX}px`
+      selectorRef.current.style.width = `${rect.width}px`
+      selectorRef.current.style.height = `${rect.height}px`
+      selectorRef.current.style.display = "block"
+    }
+  }
+
+  const updateTooltipPosition = (element: HTMLElement) => {
+    const rect = element.getBoundingClientRect()
+    const distanceTop = rect.top + window.scrollY
+    const distanceLeft = rect.left + window.scrollX
+    const top =
+      distanceTop < 50 ? distanceTop + rect.height + 5 : distanceTop - 40
+    tooltipRef.current.style.top = `${top}px`
+    tooltipRef.current.style.left = `${distanceLeft + 5}px`
+    scrollToTop(tooltipRef.current)
+  }
+
+  useMessage(async (req: any, res: any) => {
+    if (req.name == "custom-downloadHtml") {
+      setCustom("html")
+    }
+    if (req.name == "custom-downloadMarkdown") {
+      setCustom("downloadMarkdown")
+    }
+    if (req.name == "custom-editMarkdown") {
+      setCustom("editMarkdown")
+    }
+    if (req.name == "custom-downloadPdf") {
+      setCustom("pdf")
+    }
+    if (req.name == "custom-downloadImg") {
+      setCustom("img")
+    }
+  })
+
+  const setCustom = (type: string) => {
+    downloadType.current = type
+    isReady.current = true
+    isSelect.current = false
+  }
+
+  const handleConfirm = () => {
+    if (!selectorRef.current || !downloadType.current) return
+    switch (downloadType.current) {
+      case "html":
+        saveHtml(selectorRef.current, articleTitle)
+        break
+      case "downloadMarkdown":
+        const markdown = turndownService.turndown(selectorRef.current)
+        saveMarkdown(markdown, articleTitle)
+        break
+      case "editMarkdown":
+        setContent(".codebox-current")
+        break
+      case "pdf":
+        savePdf(selectorRef.current, articleTitle)
+        break
+    }
+
+    resetState()
+  }
+
+  const handleCancel = () => {
+    resetState()
+  }
+
+  const resetState = () => {
+    removeHighlight()
+    // removeSelector()
+    removeTooltip()
+    isReady.current = false
+    isSelect.current = false
+  }
+
+  const navigateElement = (direction: "parent" | "child" | "prev" | "next") => {
+    if (!selectorRef.current) return
+
+    let newElement: HTMLElement | null = null
+    switch (direction) {
+      case "parent":
+        newElement = selectorRef.current.parentElement
+        break
+      case "child":
+        newElement = selectorRef.current.firstElementChild as HTMLElement
+        break
+      case "prev":
+        newElement = selectorRef.current.previousElementSibling as HTMLElement
+        break
+      case "next":
+        newElement = selectorRef.current.nextElementSibling as HTMLElement
+        break
+    }
+
+    if (newElement) {
+      highlightElement(newElement)
+      // updateSelectorPosition(newElement)
+      updateTooltipPosition(newElement)
+    }
+  }
+
+  const handleOkModal = () => {
+    setIsModalOpen(false)
+  }
+
+  const handleCancelModal = () => {
+    setIsModalOpen(false)
+  }
+
+  return (
+    <>
+      <Modal
+        title="Basic Modal"
+        className="codebox-modal"
+        open={isModalOpen}
+        onOk={handleOkModal}
+        onCancel={handleCancelModal}>
+        <p>Some contents...</p>
+        <p>Some contents...</p>
+        <p>Some contents...</p>
+      </Modal>
+    </>
+  )
+}
diff --git a/contents/custom.tsx b/contents/custom.tsx
index 46b6126..ecea34b 100644
--- a/contents/custom.tsx
+++ b/contents/custom.tsx
@@ -1,41 +1,13 @@
 import { StyleProvider } from "@ant-design/cssinjs"
-import {
-  CheckOutlined,
-  CloseOutlined,
-  DownSquareOutlined,
-  LeftSquareOutlined,
-  RightSquareOutlined,
-  UpSquareOutlined
-} from "@ant-design/icons"
-import { Button, Flex, message, Modal } from "antd"
 import antdResetCssText from "data-text:antd/dist/reset.css"
-import dayjs from "dayjs"
 import type {
   PlasmoCSConfig,
   PlasmoGetShadowHostId,
   PlasmoGetStyle
 } from "plasmo"
-import { useEffect, useRef, useState } from "react"
 
-import { sendToBackground } from "@plasmohq/messaging"
-import { useMessage } from "@plasmohq/messaging/hook"
-import { useStorage } from "@plasmohq/storage/hook"
-
-import ValidateContent from "~component/contents/validateContent"
+import CustomDomSelector from "~component/customDomSelector"
 import { ThemeProvider } from "~theme"
-import { addCss, saveHtml, saveMarkdown, scrollToTop, setIcon } from "~tools"
-import { getSummary } from "~utils/coze"
-import useCssCodeHook from "~utils/cssCodeHook"
-import { downloadAllImagesAsZip } from "~utils/downloadAllImg"
-import { savePdf } from "~utils/downloadPdf"
-import DrawImages from "~utils/drawImages"
-import { useContent } from "~utils/editMarkdownHook"
-import Turndown from "~utils/turndown"
-
-const turndownService = Turndown()
-const articleTitle = document
-  .querySelector<HTMLElement>("head title")
-  ?.innerText.trim()
 
 const HOST_ID = "codebox-csui"
 
@@ -48,341 +20,11 @@ export const getStyle: PlasmoGetStyle = () => {
   return style
 }
 
-let isDownloadType = "markdown"
-let isReady = false
-let isSelect = false
-let instance = null
-
 export default function CustomOverlay() {
-  const [cssCode, runCss] = useCssCodeHook("custom")
-  const [content, setContent] = useContent()
-  const [summary, setSummary] = useStorage("app-summary", "")
-  const [validTime, setValidTime] = useStorage("app-validTime", "1730390400")
-  const [isCurrentDom, setIsCurrentDom] = useState<boolean>(false)
-  const [rect, setRect] = useState<any>(() => {
-    return { top: 0, right: 0 }
-  })
-  const [messageApi, contextHolder] = message.useMessage()
-
-  useEffect(() => {
-    getSelection()
-    setIcon(true)
-  }, [])
-
-  useMessage(async (req: any, res: any) => {
-    if (req.name == "custom-isShow") {
-      res.send({ isShow: true })
-    }
-    if (req.name == "custom-downloadHtml") {
-      setCustom("html")
-    }
-    if (req.name == "custom-downloadMarkdown") {
-      setCustom("downloadMarkdown")
-    }
-    if (req.name == "custom-downloadPdf") {
-      setCustom("pdf")
-    }
-    if (req.name == "custom-downloadImg") {
-      setCustom("img")
-    }
-    if (req.name == "custom-editMarkdown") {
-      setCustom("editMarkdown")
-    }
-    if (req.name == "app-downloadImages") {
-      await downloadImages(req.body?.onProgress)
-    }
-    if (req.name == "app-get-summary") {
-      setSummary("")
-      const res = await getSummary(location.href)
-      if (res.code == 0) {
-        const result = JSON.parse(res.data)
-        setSummary(result)
-      }
-    }
-    if (req.name == "app-full-page-screenshot") {
-      if (confirm("确认下载？")) {
-        const { scrollHeight, clientHeight } = document.documentElement
-        const devicePixelRatio = window.devicePixelRatio || 1
-
-        let capturedHeight = 0
-        let capturedImages = []
-
-        const captureAndScroll = async () => {
-          const scrollAmount = clientHeight * devicePixelRatio
-          const res = await sendToBackground({ name: "screenshot" })
-          const dataUrl = res.dataUrl
-
-          capturedHeight += scrollAmount
-          if (capturedHeight < scrollHeight * devicePixelRatio) {
-            capturedImages.push(dataUrl)
-            window.scrollTo(0, capturedHeight)
-            setTimeout(captureAndScroll, 2000) // Adjust the delay as needed
-          } else {
-            DrawImages(capturedImages, articleTitle)
-          }
-        }
-
-        captureAndScroll()
-      }
-    }
-  })
-
-  async function downloadImages(
-    onProgress?: (current: number, total: number) => void
-  ) {
-    const imageUrls = Array.from(document.images).map((img) => img.src)
-    try {
-      const res = await sendToBackground({
-        name: "download",
-        body: {
-          action: "downloadAllImages",
-          imageUrls: imageUrls,
-          title: articleTitle,
-          onProgress: onProgress
-        }
-      })
-      if (res.code == 0) {
-        alert("下载失败")
-      }
-    } catch (error) {
-      console.error(`Failed to download images:`, error)
-    }
-  }
-
-  function setCustom(type) {
-    isReady = true
-    isSelect = false
-    isDownloadType = type
-    messageApi.info("请在页面选择要下载区域！")
-  }
-
-  function getSelection() {
-    addCss(`.codebox-current { border: 1px solid #7983ff!important; }`)
-    document.addEventListener("mousemove", (event) => {
-      const target = event.target as HTMLElement
-      if (isReady && target && !isSelect) {
-        removeCurrentDom()
-        target.classList.add("codebox-current")
-      }
-    })
-    document.addEventListener("click", (event) => {
-      const target = event.target as HTMLElement
-      const tooltip = target.closest("#codebox-csui")
-      const modal = target.closest(".ant-modal")
-      const submit = target.closest(".valid-submit")
-
-      if (isReady && target && !tooltip && !modal && !submit) {
-        isSelect = true
-        setIsCurrentDom(true)
-        removeCurrentDom()
-        target.classList.add("codebox-current")
-        setTooltip()
-        event.stopPropagation()
-        event.preventDefault()
-      }
-    })
-  }
-
-  function setTooltip() {
-    const currentDom = document.querySelector<HTMLElement>(".codebox-current")
-    const rect = currentDom.getBoundingClientRect()
-    const distanceTop = rect.top + window.scrollY
-    const distanceLeft = rect.left + window.scrollX
-    const top = distanceTop < 50 ? distanceTop + 15 : distanceTop - 40
-    const left = distanceLeft + 5
-
-    setRect({ top, left })
-    scrollToTop(currentDom)
-  }
-
-  function removeCurrentDom() {
-    const currentList = document.querySelectorAll(".codebox-current")
-    currentList.forEach((el) => {
-      el.classList.remove("codebox-current")
-    })
-  }
-
-  function downloadHtml(currentDom) {
-    saveHtml(currentDom, articleTitle)
-  }
-
-  function downloadMarkdown(currentDom) {
-    const markdown = turndownService.turndown(currentDom)
-    saveMarkdown(markdown, articleTitle)
-  }
-
-  function handleOk() {
-    const currentDom = document.querySelector(".codebox-current")
-
-    if (isDownloadType == "html") {
-      removeCurrentDom()
-      downloadHtml(currentDom)
-    } else if (isDownloadType == "downloadMarkdown") {
-      removeCurrentDom()
-      downloadMarkdown(currentDom)
-    } else if (isDownloadType == "editMarkdown") {
-      setContent(".codebox-current")
-      removeCurrentDom()
-    } else if (isDownloadType == "pdf") {
-      removeCurrentDom()
-      savePdf(currentDom, articleTitle)
-    }
-    isReady = false
-    isSelect = false
-    setIsCurrentDom(false)
-    instance.destroy()
-  }
-
-  function handleConfirm() {
-    instance = Modal.confirm({
-      title: "提示",
-      content: (
-        <>
-          <div style={{ fontSize: "18px" }}>是否保存？</div>
-          {Number(validTime) > dayjs().unix() ? (
-            <></>
-          ) : (
-            <ValidateContent handleOk={handleOk}></ValidateContent>
-          )}
-        </>
-      ),
-      okText: "确认",
-      okButtonProps: {
-        disabled: Number(validTime) <= dayjs().unix()
-      },
-      onOk: () => {
-        handleOk()
-      },
-      cancelText: "取消",
-      onCancel: () => {
-        handleCancel()
-      }
-    })
-  }
-
-  function handleCancel() {
-    removeCurrentDom()
-    isReady = false
-    isSelect = false
-    setIsCurrentDom(false)
-    instance.destroy()
-  }
-
-  function handleSetParent(event) {
-    const currentDom = document.querySelector(".codebox-current")
-    const parent = currentDom.parentElement
-
-    if (parent) {
-      removeCurrentDom()
-      parent.classList.add("codebox-current")
-      setTooltip()
-    }
-    event.stopPropagation()
-  }
-
-  function handleSetChild(event) {
-    const currentDom = document.querySelector(".codebox-current")
-    const child = currentDom.firstElementChild
-    if (child) {
-      removeCurrentDom()
-      child.classList.add("codebox-current")
-      setTooltip()
-    }
-    event.stopPropagation()
-  }
-
-  function handleSetPrev(event) {
-    const currentDom = document.querySelector(".codebox-current")
-    const previousSibling = currentDom.previousElementSibling
-    if (previousSibling) {
-      removeCurrentDom()
-      previousSibling.classList.add("codebox-current")
-      setTooltip()
-    }
-    event.stopPropagation()
-  }
-
-  function handleSetNext(event) {
-    const currentDom = document.querySelector(".codebox-current")
-    const nextSibling = currentDom.nextElementSibling
-    if (nextSibling) {
-      removeCurrentDom()
-      nextSibling.classList.add("codebox-current")
-      setTooltip()
-    }
-    event.stopPropagation()
-  }
-
   return (
     <ThemeProvider>
-      {contextHolder}
       <StyleProvider container={document.getElementById(HOST_ID).shadowRoot}>
-        {isCurrentDom ? (
-          <div
-            className="codebox-tooltip"
-            style={{
-              position: "absolute",
-              top: `${rect.top}px`,
-              left: `${rect.left}px`,
-              width: "520px",
-              background: "#fff",
-              border: "1px solid #eee",
-              borderRadius: "5px"
-            }}>
-            <Flex wrap gap="small">
-              <Button
-                color="primary"
-                variant="text"
-                size="small"
-                icon={<CheckOutlined />}
-                onClick={handleConfirm}>
-                确定
-              </Button>
-              <Button
-                color="default"
-                variant="text"
-                size="small"
-                icon={<UpSquareOutlined />}
-                onClick={handleSetParent}>
-                父节点
-              </Button>
-              <Button
-                color="default"
-                variant="text"
-                size="small"
-                icon={<DownSquareOutlined />}
-                onClick={handleSetChild}>
-                子节点
-              </Button>
-              <Button
-                color="default"
-                variant="text"
-                size="small"
-                icon={<LeftSquareOutlined />}
-                onClick={handleSetPrev}>
-                上一个
-              </Button>
-              <Button
-                color="default"
-                variant="text"
-                size="small"
-                icon={<RightSquareOutlined />}
-                onClick={handleSetNext}>
-                下一个
-              </Button>
-              <Button
-                color="danger"
-                variant="text"
-                size="small"
-                icon={<CloseOutlined />}
-                onClick={handleCancel}>
-                取消
-              </Button>
-            </Flex>
-          </div>
-        ) : (
-          <></>
-        )}
+        <CustomDomSelector />
       </StyleProvider>
     </ThemeProvider>
   )
diff --git a/package.json b/package.json
index cc4ca22..cfcde34 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "code-box",
   "displayName": "__MSG_extensionName__",
-  "version": "0.9.23",
+  "version": "0.9.24",
   "description": "__MSG_extensionDescription__",
   "author": "027xiguapi. <458813868@qq.com>",
   "scripts": {
diff --git a/tools.ts b/tools.ts
index c93cefd..59bc75f 100644
--- a/tools.ts
+++ b/tools.ts
@@ -5,7 +5,7 @@ import { sendToBackground } from "@plasmohq/messaging"
 
 export function scrollToTop(element) {
   window.scrollTo({
-    top: element.offsetTop,
+    top: element.offsetTop + 50,
     behavior: "smooth" // 可选，平滑滚动
   })
 }