diff --git a/src/meditor/addon.js b/src/meditor/addon.js
deleted file mode 100644
index 57273b8..0000000
--- a/src/meditor/addon.js
+++ /dev/null
@@ -1,99 +0,0 @@
-/**
- * 基础拓展
- * @author yutent<yutent.io@gmail.com>
- * @date 2020/10/14 17:52:44
- */
-
-const PLACEHOLDER = '在此输入文本'
-
-function trim(str, sign) {
-  return str.replace(new RegExp('^' + sign + '|' + sign + '$', 'g'), '')
-}
-
-export default {
-  header() {
-    this.$refs.header.classList.add('fadein')
-  },
-
-  h(level) {
-    var wrap = this.selection(true) || PLACEHOLDER
-    wrap = wrap.replace(/^(#+ )?/, '#'.repeat(level) + ' ')
-    this.insert(wrap, true)
-  },
-
-  quote() {
-    var wrap = this.selection(true) || PLACEHOLDER
-    wrap = wrap.replace(/^(>+ )?/, '> ')
-
-    this.insert(wrap, true)
-  },
-
-  bold() {
-    var wrap = this.selection() || PLACEHOLDER
-    var unwrap = trim(wrap, '\\*\\*')
-    wrap = wrap === unwrap ? `**${wrap}**` : unwrap
-    this.insert(wrap, true)
-  },
-
-  italic() {
-    var wrap = this.selection() || PLACEHOLDER
-    var unwrap = trim(wrap, '_')
-    wrap = wrap === unwrap ? `_${wrap}_` : unwrap
-    this.insert(wrap, true)
-  },
-
-  through() {
-    var wrap = this.selection() || PLACEHOLDER
-    var unwrap = trim(wrap, '~~')
-    wrap = wrap === unwrap ? `~~${wrap}~~` : unwrap
-    this.insert(wrap, true)
-  },
-
-  list() {
-    var wrap = this.selection(true) || PLACEHOLDER
-
-    wrap = wrap.replace(/^([+\-*] )?/, '+ ')
-    this.insert(wrap, true)
-  },
-
-  order() {
-    var wrap = this.selection(true) || PLACEHOLDER
-
-    wrap = wrap.replace(/^(\d+\. )?/, '1. ')
-    this.insert(wrap, true)
-  },
-
-  line() {
-    this.insert('\n\n---\n\n', false)
-  },
-
-  code() {
-    var wrap = this.selection() || PLACEHOLDER
-    var unwrap = trim(wrap, '`')
-    wrap = wrap === unwrap ? `\`${wrap}\`` : unwrap
-    this.insert(wrap, true)
-  },
-
-  codeblock() {
-    this.insert('\n```language\n\n```\n')
-  },
-
-  table() {
-    this.$refs.table.classList.add('fadein')
-  },
-
-  link() {
-    this.$refs.link.classList.add('fadein')
-  },
-
-  fullscreen() {
-    this.classList.toggle('fullscreen')
-  },
-  preview() {
-    this.previewEnabled = !this.previewEnabled
-    this.$refs.view.classList.toggle('active')
-    if (this.previewEnabled) {
-      this.$refs.view.code = this.value
-    }
-  }
-}
diff --git a/src/meditor/helper.js b/src/meditor/helper.js
index b1b7b48..a730495 100644
--- a/src/meditor/helper.js
+++ b/src/meditor/helper.js
@@ -4,6 +4,8 @@
  * @date 2020/10/12 18:23:23
  */
 
+const PLACEHOLDER = '在此输入文本'
+
 const ELEMS = {
   a: function (str, attr, inner) {
     let href = attr.match(attrExp('href'))
@@ -82,6 +84,10 @@ export const DEFAULT_TOOLS = [
 
 const LI_EXP = /<(ul|ol)>(?:(?!<ul|<ol)[\s\S])*?<\/\1>/gi
 
+function trim(str, sign) {
+  return str.replace(new RegExp('^' + sign + '|' + sign + '$', 'g'), '')
+}
+
 // html标签的属性正则
 function attrExp(field, flag = 'i') {
   return new RegExp(field + '\\s?=\\s?["\']?([^"\']*)["\']?', flag)
@@ -187,3 +193,91 @@ export function html2md(str) {
     })
   return str
 }
+
+export const Addon = {
+  header() {
+    this.$refs.header.classList.add('fadein')
+  },
+
+  h(level) {
+    var wrap = this.selection(true) || PLACEHOLDER
+    wrap = wrap.replace(/^(#+ )?/, '#'.repeat(level) + ' ')
+    this.insert(wrap, true)
+  },
+
+  quote() {
+    var wrap = this.selection(true) || PLACEHOLDER
+    wrap = wrap.replace(/^(>+ )?/, '> ')
+
+    this.insert(wrap, true)
+  },
+
+  bold() {
+    var wrap = this.selection() || PLACEHOLDER
+    var unwrap = trim(wrap, '\\*\\*')
+    wrap = wrap === unwrap ? `**${wrap}**` : unwrap
+    this.insert(wrap, true)
+  },
+
+  italic() {
+    var wrap = this.selection() || PLACEHOLDER
+    var unwrap = trim(wrap, '_')
+    wrap = wrap === unwrap ? `_${wrap}_` : unwrap
+    this.insert(wrap, true)
+  },
+
+  through() {
+    var wrap = this.selection() || PLACEHOLDER
+    var unwrap = trim(wrap, '~~')
+    wrap = wrap === unwrap ? `~~${wrap}~~` : unwrap
+    this.insert(wrap, true)
+  },
+
+  list() {
+    var wrap = this.selection(true) || PLACEHOLDER
+
+    wrap = wrap.replace(/^([+\-*] )?/, '+ ')
+    this.insert(wrap, true)
+  },
+
+  order() {
+    var wrap = this.selection(true) || PLACEHOLDER
+
+    wrap = wrap.replace(/^(\d+\. )?/, '1. ')
+    this.insert(wrap, true)
+  },
+
+  line() {
+    this.insert('\n\n---\n\n', false)
+  },
+
+  code() {
+    var wrap = this.selection() || PLACEHOLDER
+    var unwrap = trim(wrap, '`')
+    wrap = wrap === unwrap ? `\`${wrap}\`` : unwrap
+    this.insert(wrap, true)
+  },
+
+  codeblock() {
+    this.insert('\n```language\n\n```\n')
+  },
+
+  table() {
+    this.$refs.table.classList.add('fadein')
+  },
+
+  link() {
+    this.$refs.link.classList.add('fadein')
+  },
+
+  fullscreen() {
+    this.classList.toggle('fullscreen')
+  },
+  preview() {
+    this.previewEnabled = !this.previewEnabled
+    this.$refs.view.classList.toggle('active')
+    if (this.previewEnabled) {
+      this.$refs.view.code = this.value
+    }
+  }
+}
diff --git a/src/meditor/index.js b/src/meditor/index.js
index 1742770..f3c1314 100644
--- a/src/meditor/index.js
+++ b/src/meditor/index.js
@@ -6,44 +6,22 @@
 
 import {
   css,
-  raw,
   html,
   Component,
   range,
-  bind,
-  unbind,
   nextTick,
-  styleMap,
   classMap,
   outsideClick,
   clearOutsideClick
 } from 'wkit'
 
-import { DEFAULT_TOOLS, html2md } from './helper.js'
-import Addon from './addon.js'
-import markd from '../markd/index.js'
-
+import '../markd/index.js'
 import '../form/input.js'
 import '../form/button.js'
-import '../code/index.js'
 
+import { DEFAULT_TOOLS, html2md, Addon } from './helper.js'
 import ICONS from './svg.js'
 
-const COLORS = [
-  '#f3f5fb',
-  '#dae1e9',
-  '#62778d',
-  '#58d68d',
-  '#3fc2a7',
-  '#52a3de',
-  '#ac61ce',
-  '#ffb618',
-  '#e67e22',
-  '#ff5061',
-  '#ff0000',
-  '#000000'
-]
-
 // 获取一维数组转二维的行
 function getY(i) {
   return (i / 9) >> 0
@@ -377,13 +355,10 @@ class MEditor extends Component {
   #gridx = 0
   #gridy = 0
 
-  #select = null
-
   previewEnabled = false
 
   #hideLayers() {
     this.$refs.header.classList.remove('fadein')
-    // this.$refs.color.classList.remove('fadein')
     this.$refs.link.classList.remove('fadein')
     this.$refs.table.classList.remove('fadein')
   }
@@ -807,12 +782,15 @@ class MEditor extends Component {
 
   mounted() {
     this.#fixedPadding()
+    this._clickoutsideFn = outsideClick(this, _ => this.#hideLayers())
+
     this.__observer = new ResizeObserver(this.#fixedPadding.bind(this))
     this.__observer.observe(this)
   }
 
   unmounted() {
     this.__observer?.disconnect()
+    clearOutsideClick(this._clickoutsideFn)
   }
 
   render() {
@@ -846,6 +824,7 @@ class MEditor extends Component {
             spellcheck="false"
             :readOnly=${this.readOnly}
             :disabled=${this.disabled}
+            @click=${this.#hideLayers}
             @keydown=${this.#handleKeydown}
             @paste.prevent=${this.#handlePaste}
             @input=${this.#updatePreview}