diff --git a/public/preload.js b/public/preload.js
index 11f1464..917914b 100644
--- a/public/preload.js
+++ b/public/preload.js
@@ -1,4 +1,5 @@
 const { existsSync, readFileSync, writeFileSync, mkdirSync, watch } = require('fs')
+const { sep } = require('path')
 const crypto = require('crypto')
 const listener = require('./listener')
 const { clipboard } = require('electron')
@@ -11,6 +12,7 @@ window.exports = {
   writeFileSync,
   mkdirSync,
   watch,
+  sep,
   crypto,
   listener,
   clipboard,
diff --git a/src/global/initPlugin.js b/src/global/initPlugin.js
index 99b4d76..34cb748 100644
--- a/src/global/initPlugin.js
+++ b/src/global/initPlugin.js
@@ -3,18 +3,16 @@ const {
   existsSync,
   readFileSync,
   writeFileSync,
-  mkdirSync,
   watch,
   crypto,
   listener,
   clipboard,
-  time,
-  Buffer
+  time
 } = window.exports
+import { copy, paste, createFile } from '../utils'
 import setting from './readSetting'
 
 export default function initPlugin() {
-  const SEP = utools.isWindows() ? '\\' : '/'
   class DB {
     constructor(path) {
       const d = new Date()
@@ -45,6 +43,7 @@ export default function initPlugin() {
             (item) => item.updateTime > deleteTime || item.collect
           )
           this.updateDataBaseLocal()
+          this.watchDataBaseUpdate()
         } catch (err) {
           utools.showNotification('读取剪切板出错: ' + err)
           return
@@ -64,6 +63,7 @@ export default function initPlugin() {
           try {
             const dataBase = JSON.parse(data)
             this.dataBase = dataBase
+            window.db.dataBase = dataBase // 更新内存中数据
           } catch (err) {
             utools.showNotification('读取剪切板出错: ' + err)
             return
@@ -158,51 +158,6 @@ export default function initPlugin() {
     }
   }
 
-  const copy = (item, isHideMainWindow = true) => {
-    switch (item.type) {
-      case 'text':
-        utools.copyText(item.data)
-        break
-      case 'image':
-        utools.copyImage(item.data)
-        break
-      case 'file':
-        const paths = JSON.parse(item.data).map((file) => file.path)
-        utools.copyFile(paths)
-        break
-    }
-    isHideMainWindow && utools.hideMainWindow()
-  }
-
-  const paste = () => {
-    if (utools.isMacOs()) utools.simulateKeyboardTap('v', 'command')
-    else utools.simulateKeyboardTap('v', 'ctrl')
-  }
-
-  const createFile = (item) => {
-    const tempPath = utools.getPath('temp')
-    const folderPath = tempPath + SEP + 'utools-clipboard-manager'
-    if (!existsSync(folderPath)) {
-      try {
-        mkdirSync(folderPath)
-      } catch (err) {
-        utools.showNotification('创建临时文件夹出错: ' + err)
-      }
-    }
-    const { type } = item
-    if (type === 'image') {
-      const base64Data = item.data.replace(/^data:image\/\w+;base64,/, '') // remove the prefix
-      const buffer = Buffer.from(base64Data, 'base64') // to Buffer
-      const filePath = folderPath + SEP + new Date().valueOf() + '.png'
-      writeFileSync(filePath, buffer)
-      return filePath
-    } else if (type === 'text') {
-      const filePath = folderPath + SEP + new Date().valueOf() + '.txt'
-      writeFileSync(filePath, item.data)
-      return filePath
-    }
-  }
-
   const db = new DB(setting.database.path)
   db.init()
 
diff --git a/src/global/restoreSetting.js b/src/global/restoreSetting.js
index 38e9320..cd1c74f 100644
--- a/src/global/restoreSetting.js
+++ b/src/global/restoreSetting.js
@@ -1,10 +1,9 @@
 import defaultSetting from '../data/setting.json'
 import { pointToObj } from '../utils'
 
-const SEP = utools.isWindows() ? '\\' : '/'
-const defaultPath = `${
-  utools.isMacOs() ? utools.getPath('userData') : utools.getPath('home')
-}${SEP}_utools_clipboard_manager_storage`
+const defaultPath = `${utools.isMacOs() ? utools.getPath('userData') : utools.getPath('home')}${
+  window.exports.sep
+}_utools_clipboard_manager_storage`
 
 export default function restoreSetting() {
   // 将defaultSetting的key点语法转换为对象
diff --git a/src/utils/index.js b/src/utils/index.js
index 4c9d3ec..3d995ed 100644
--- a/src/utils/index.js
+++ b/src/utils/index.js
@@ -1,3 +1,18 @@
+const {
+  utools,
+  existsSync,
+  readFileSync,
+  writeFileSync,
+  mkdirSync,
+  watch,
+  sep,
+  crypto,
+  listener,
+  clipboard,
+  time,
+  Buffer
+} = window.exports
+
 const dateFormat = (timeStamp) => {
   const startTime = new Date(timeStamp) // 开始时间
   const endTime = new Date() // 结束时间
@@ -36,4 +51,49 @@ const pointToObj = (objWithPointKey) => {
   return rtnObj
 }
 
-export { dateFormat, pointToObj }
+const copy = (item, isHideMainWindow = true) => {
+  switch (item.type) {
+    case 'text':
+      utools.copyText(item.data)
+      break
+    case 'image':
+      utools.copyImage(item.data)
+      break
+    case 'file':
+      const paths = JSON.parse(item.data).map((file) => file.path)
+      utools.copyFile(paths)
+      break
+  }
+  isHideMainWindow && utools.hideMainWindow()
+}
+
+const paste = () => {
+  if (utools.isMacOs()) utools.simulateKeyboardTap('v', 'command')
+  else utools.simulateKeyboardTap('v', 'ctrl')
+}
+
+const createFile = (item) => {
+  const tempPath = utools.getPath('temp')
+  const folderPath = tempPath + sep + 'utools-clipboard-manager'
+  if (!existsSync(folderPath)) {
+    try {
+      mkdirSync(folderPath)
+    } catch (err) {
+      utools.showNotification('创建临时文件夹出错: ' + err)
+    }
+  }
+  const { type } = item
+  if (type === 'image') {
+    const base64Data = item.data.replace(/^data:image\/\w+;base64,/, '') // remove the prefix
+    const buffer = Buffer.from(base64Data, 'base64') // to Buffer
+    const filePath = folderPath + sep + new Date().valueOf() + '.png'
+    writeFileSync(filePath, buffer)
+    return filePath
+  } else if (type === 'text') {
+    const filePath = folderPath + sep + new Date().valueOf() + '.txt'
+    writeFileSync(filePath, item.data)
+    return filePath
+  }
+}
+
+export { dateFormat, pointToObj, copy, paste, createFile }