diff --git a/package.json b/package.json
index b567183..fb52421 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "wkit",
-  "version": "1.10.7",
+  "version": "1.10.8",
   "type": "module",
   "description": "A library for building fast, lightweight web components.",
   "main": "dist/index.js",
diff --git a/src/index.js b/src/index.js
index ae8c6f4..82fe54b 100644
--- a/src/index.js
+++ b/src/index.js
@@ -259,7 +259,7 @@ export class Component extends HTMLElement {
 
   disconnectedCallback() {
     if (this.keepAlive) {
-      this.deactivated()
+      this.#asyncCallSafety(this.deactivated)
     } else {
       this[__children__]?.setConnected(false)
 
@@ -276,7 +276,7 @@ export class Component extends HTMLElement {
           window.wkitd.deassign(this)
         }
       }
-      this.unmounted()
+      this.#asyncCallSafety(this.unmounted)
     }
   }
   // 监听属性变化
@@ -386,11 +386,11 @@ export class Component extends HTMLElement {
         this.$animate()
       }
       if (this.keepAlive) {
-        nextTick(_ => this.activated())
+        this.#asyncCallSafety(this.activated)
       }
-      nextTick(_ => this.mounted())
+      this.#asyncCallSafety(this.mounted)
     } else {
-      nextTick(_ => this.updated(props))
+      this.#asyncCallSafety(this.updated, props)
     }
   }
 
@@ -411,6 +411,17 @@ export class Component extends HTMLElement {
       console.error(err)
     }
   }
+
+  #asyncCallSafety(callback, arg) {
+    nextTick(_ => {
+      try {
+        callback.call(this, arg)
+      } catch (err) {
+        console.error(err)
+      }
+    })
+  }
+
   // 几个生命周期回调
   created() {}
   mounted() {}
diff --git a/src/utils.js b/src/utils.js
index ff444d6..f21c291 100644
--- a/src/utils.js
+++ b/src/utils.js
@@ -79,12 +79,16 @@ export function offset(node) {
 /**
  * 事件绑定
  */
-export function bind(dom, type, selector, fn, phase = true) {
+export function bind(dom, type = '', selector, fn, phase = true) {
   let events = type.split(',')
   let callback
-  let isWc = dom.host === dom
+  let isWc = dom && dom.host === dom
   let host = isWc ? dom : null
 
+  if (!dom || !type) {
+    return console.error('call bind: argument error')
+  }
+
   if (typeof selector === 'function') {
     phase = fn
     fn = selector
@@ -147,7 +151,7 @@ export function bind(dom, type, selector, fn, phase = true) {
 /**
  * 解除事件绑定
  */
-export function unbind(dom, type, fn = noop, phase = false) {
+export function unbind(dom, type = '', fn = noop, phase = false) {
   let events = type.split(',')
   events.forEach(function (t) {
     dom.removeEventListener(t.trim(), fn, phase)