fix: 修复copyupdate时的错误

Author: ddd702

src/plugins/directives.ts

@@ -7,6 +7,9 @@ import { ElMessage } from 'element-plus';
 export default function (app: any): void {
   app.directive('copy', {
     /* ... */
+    updated(el: HTMLElement, binding: any): void {
+      el.setAttribute('data-clipboard-text', binding.value);
+    },
     mounted(el: HTMLElement, binding: any): void {
       el.setAttribute('data-clipboard-text', binding.value);
       let clipboard: any;
@@ -31,7 +34,7 @@ export default function (app: any): void {
       //解决clipboard第一次点击不生效问题，那就在enter时实例化Clipboard
       el.addEventListener('mouseenter', () => {
         clipboard = new Clipboard(el, {
-          text: () => binding.value,
+          text: () => el.getAttribute('data-clipboard-text'),
         });
       });
     },