diff --git a/src/layer/index.js b/src/layer/index.js
index 3dfb38c..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
@@ -40,7 +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 },
@@ -280,7 +272,6 @@ class Layer extends Component {
   ]
 
   #wrapped = false
-  #dragIns = null
 
   #resolve = null
   #reject = null
@@ -296,27 +287,6 @@ 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, _ => {
@@ -400,7 +370,9 @@ class Layer extends Component {
       }
     }
 
-    this.#toggleDrag()
+    if (this.background) {
+      this.$refs.box.style.backgroundColor = this.background
+    }
 
     this.#play()
   }
@@ -432,10 +404,6 @@ class Layer extends Component {
       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