diff --git a/src/layer/index.js b/src/layer/index.js
index 53b3273..2bf54ba 100644
--- a/src/layer/index.js
+++ b/src/layer/index.js
@@ -4,17 +4,8 @@
  * @date 2023/03/06 15:17:25
  */
 
-import {
-  css,
-  html,
-  Component,
-  bind,
-  unbind,
-  nextTick,
-  styleMap
-} from '@bd/core'
+import { css, html, Component, bind, styleMap } from '@bd/core'
 import '../form/input.js'
-import Drag from '../drag/core.js'
 
 let uniqueInstance = null // 缓存当前打开的alert/confirm/prompt类型的弹窗
 let toastInstance = null // 缓存toast的实例
@@ -23,9 +14,11 @@ const LANG_TITLE = '提示'
 const LANG_BTNS = ['取消', '确定']
 // 要保证弹层唯一的类型
 const UNIQUE_TYPES = ['alert', 'confirm', 'prompt']
-const BUILDIN_TYPES = UNIQUE_TYPES.concat(['notify', 'toast'])
+const BUILDIN_TYPES = UNIQUE_TYPES.concat(['toast'])
 
 class Layer extends Component {
+  static animation = {}
+
   static props = {
     type: {
       type: String,
@@ -38,7 +31,8 @@ class Layer extends Component {
     right: { type: String, attribute: false },
     top: { type: String, attribute: false },
     bottom: { type: String, attribute: false },
-    fixed: false,
+    background: { type: String, attribute: false },
+    'mask-color': { type: String, attribute: false },
     mask: false,
     'mask-close': false,
     title: { type: String, default: '', attribute: false },
@@ -63,7 +57,6 @@ class Layer extends Component {
         display: flex;
       }
       :host([type='toast']),
-      :host([type='notify']),
       :host([type='common']) {
         .layer {
           position: absolute;
@@ -148,7 +141,9 @@ class Layer extends Component {
             text-indent: 8px;
             --size: 16px;
             color: var(--color-dark-1);
+            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
           }
+
           ::slotted(&__toast + &__toast) {
             margin-top: 30px;
           }
@@ -255,19 +250,11 @@ class Layer extends Component {
           }
         }
       }
-      :host([type='notify']) {
-        .layer {
-          width: 300px;
-          height: 120px;
 
-          &__content {
-            padding: 0 15px;
-          }
-        }
-      }
       :host([type='toast']) {
         .layer {
           box-shadow: none;
+          background: none;
 
           &__content {
             flex-direction: column;
@@ -285,7 +272,6 @@ class Layer extends Component {
   ]
 
   #wrapped = false
-  #dragIns = null
 
   #resolve = null
   #reject = null
@@ -301,36 +287,17 @@ class Layer extends Component {
     this.promise.host = this
   }
 
-  #toggleDrag() {
-    // 这3类弹层不允许拖拽
-    if (UNIQUE_TYPES.includes(this.type)) {
-      return
-    }
-
-    if (this.fixed) {
-      // 如之前有拖拽实例, 先销毁
-      if (this.#dragIns) {
-        this.#dragIns.destroy()
-        this.#dragIns = null
-      }
-      return
-    }
-    let $title = this.$refs.box.firstElementChild
-
-    this.#dragIns = new Drag(this.$refs.box).by($title, {
-      overflow: !!this.overflow
-    })
-  }
-
   #intercept(value) {
     if (this.intercept) {
       this.intercept(value, _ => {
         delete this.intercept
         this.#resolve(value)
+        this.$animate(true)
         this.$refs.box.$animate(true).then(_ => this.close())
       })
     } else {
       this.#resolve(value)
+      this.$animate(true)
       this.$refs.box.$animate(true).then(_ => this.close())
     }
   }
@@ -349,21 +316,21 @@ class Layer extends Component {
             fill: 'forwards'
           }
         )
+
         setTimeout(() => {
           elem._anim.reverse()
           elem._anim.onfinish = _ => {
             elem.remove()
-          }
-          if (this.children.length === 0) {
-            this.close()
-            toastInstance = null
+            if (this.children.length === 0) {
+              this.close()
+              toastInstance = null
+            }
           }
         }, 3000)
         break
-      case 'notify':
-        break
 
       default:
+        this.$animate()
         this.$refs.box.$animate()
         break
     }
@@ -375,6 +342,8 @@ class Layer extends Component {
       bind(this.$refs.input, 'submit', ev => {
         this.#intercept(ev.target.value)
       })
+    } else if (this.type === 'toast') {
+      this.style.display = ''
     }
 
     // 有遮罩层时
@@ -401,7 +370,9 @@ class Layer extends Component {
       }
     }
 
-    this.#toggleDrag()
+    if (this.background) {
+      this.$refs.box.style.backgroundColor = this.background
+    }
 
     this.#play()
   }
@@ -426,49 +397,25 @@ class Layer extends Component {
 
   /**
    * 关闭实例
-   * @param force {Boolean} 是否强制关闭
    */
-  close(force) {
+  close() {
     //
-
     if (this.#wrapped) {
       this.type = null
       this.$emit('close')
     } else {
-      // 有拖拽实例, 先销毁
-      if (this.#dragIns) {
-        this.#dragIns.destroy()
-      }
       // 不允许多开的类型, 需要清除
       if (UNIQUE_TYPES.includes(this.type)) {
         uniqueInstance = null
       }
-
-      // 离场动画
-      if (this.from && !force) {
-        let _style = 'opacity:0;'
-        for (let k in this.from) {
-          _style += `${k}:${this.from[k]};`
-        }
-        this.$refs.box.style.cssText += _style
-        this.timer = setTimeout(() => {
-          this.$emit('close')
-          this.remove()
-        }, 200)
-      } else {
-        clearTimeout(this.timer)
-        this.$emit('close')
-        this.remove()
-      }
+      this.$emit('close')
+      this.remove()
     }
   }
 
   // 按钮的点击事件
   handleBtnClick(ev) {
-    if (
-      ev.target.tagName === 'BUTTON' ||
-      ev.target.className === 'notify-button'
-    ) {
+    if (ev.target.tagName === 'BUTTON') {
       let idx = +ev.target.dataset.idx || 0
 
       switch (this.type) {
@@ -480,6 +427,7 @@ class Layer extends Component {
         case 'prompt':
           if (idx === 0) {
             this.#reject()
+            this.$animate(true)
             this.$refs.box.$animate(true).then(_ => this.close())
           } else {
             let value = this.type === 'prompt' ? this.$refs.input.value : null
@@ -517,13 +465,6 @@ class Layer extends Component {
           style=${styleMap({ display: !!this.title ? '' : 'none' })}
         >
           ${this.title}
-          ${this.type === 'notify'
-            ? html`<wc-icon
-                name="close"
-                class="notify-button"
-                @click=${this.handleBtnClick}
-              ></wc-icon>`
-            : ''}
         </div>
         <div class="layer__content">
           <slot></slot>
@@ -541,29 +482,19 @@ class Layer extends Component {
 }
 
 function layer(opt = {}) {
-  let layDom = document.createElement('wc-layer')
   let { type = 'common', content = '' } = opt
-  let alreadyInTree = false
+  let layDom =
+    type === 'toast'
+      ? toastInstance || document.createElement('wc-layer')
+      : document.createElement('wc-layer')
+  let alreadyInTree = type === 'toast' && !!toastInstance
+
+  layDom.type = opt.type
 
   if (type === 'toast') {
-    opt = {
-      type,
-      content,
-      from: { top: 0 },
-      to: { top: '30px' }
-    }
-
-    if (toastInstance) {
-      // toastInstance.close(true)
-      layDom = toastInstance
-      alreadyInTree = true
-    } else {
-      toastInstance = layDom
-    }
+    toastInstance = layDom
     layDom.top = '20px'
   } else {
-    layDom.mask = opt.mask
-
     if (opt.btns && opt.btns.length) {
       layDom.btns = opt.btns
     }
@@ -573,50 +504,26 @@ function layer(opt = {}) {
     }
 
     layDom.mask = opt.mask
-    layDom['mask-close'] = opt['mask-close']
-
-    if (opt.hasOwnProperty('overflow')) {
-      layDom.overflow = opt.overflow
-    }
-
-    /* 额外样式 */
-
-    layDom.radius = opt.radius
-    layDom.background = opt.background
-
-    if (opt.size && typeof opt.size === 'object') {
-      layDom.size = opt.size
-    }
+    layDom.title = opt.title
 
     // 这3种类型, 只允许同时存在1个, 如果之前有弹出则关闭
-    if (UNIQUE_TYPES.includes(opt.type)) {
+    if (UNIQUE_TYPES.includes(type)) {
       if (uniqueInstance) {
-        uniqueInstance.close(true)
+        uniqueInstance.$animate(true).then(_ => {
+          uniqueInstance.close()
+          uniqueInstance = layDom
+        })
+      } else {
+        uniqueInstance = layDom
       }
-      uniqueInstance = layDom
     }
   }
 
-  if (opt.to && typeof opt.to === 'object') {
-    layDom.to = opt.to
-    if (opt.from && typeof opt.from === 'object') {
-      layDom.from = opt.from
-    } else {
-      layDom.from = opt.to
-    }
-  }
-
-  layDom.type = opt.type
-  layDom.title = opt.title
-
-  layDom.fixed = !!opt.fixed
-
   if (alreadyInTree) {
     let tmp = document.createElement('template')
-    tmp.innerHTML = opt.content
+    tmp.innerHTML = content
 
     layDom.appendChild(tmp.content.cloneNode(true))
-
     layDom.updated()
   } else {
     layDom.innerHTML = content
@@ -685,20 +592,6 @@ layer.prompt = function (title = LANG_TITLE, defaultValue = '', intercept) {
   })
 }
 
-layer.notify = function (content) {
-  return this({
-    type: 'notify',
-    title: '通知',
-    content,
-    fixed: true,
-    mask: false,
-    top: 0,
-    right: 0,
-    from: { right: '-300px', top: 0 },
-    to: { right: 0 }
-  })
-}
-
 layer.toast = function (txt, type = 'info') {
   var ico = type
   switch (type) {