修复事件绑定在影子节点上时无法自动销毁的bug

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@bd/core",
-  "version": "1.8.7",
+  "version": "1.8.8",
   "type": "module",
   "description": "百搭UI组件库的核心",
   "main": "dist/index.js",

src/utils.js

@@ -89,9 +89,9 @@ export function bind(dom, type, selector, fn, phase = true) {
     fn = fn || noop
   }
 
-  if (isWc === false && dom !== document && dom !== document.body) {
-    let node = dom.parentNode
-    while (node) {
+  if (isWc === false) {
+    let node = dom
+    while (node && node !== document.body && node !== document) {
       if (node.ownHost) {
         isWc = true
         host = node.ownHost