diff --git a/README.md b/README.md
index d2d93e4..428cec7 100644
--- a/README.md
+++ b/README.md
@@ -142,6 +142,33 @@
     | conf     | 配置更新                       | conf: 项目 base 路径       |
     | chore    | 其他                           | chore: 其他                |
 
+## 全局方法
+
+> 使用示例
+
+```javascript
+import { copy } from '@/plugins/global-api.js';
+copy('hello world');
+```
+
+```javascript
+const { proxy } = getCurrentInstance();
+proxy.$copy('hello world');
+```
+
+| 名称     | 功能介绍              |
+| -------- | --------------------- |
+| copy     | 复制文本              |
+| download | 下载指定地址文件      |
+| excel    | 导出 excel 文件并下载 |
+
+## 全局组件
+
+| 名称      | 功能介绍     |
+| --------- | ------------ |
+| ElEditor  | 富文本编辑器 |
+| TableList | 通用列表组件 |
+
 ## 心得总结
 
 ### prettier
diff --git a/src/plugins/global-api.js b/src/plugins/global-api.js
index c855971..1b620ce 100644
--- a/src/plugins/global-api.js
+++ b/src/plugins/global-api.js
@@ -1,16 +1,70 @@
 import { ElMessage } from './element-plus';
-
-export const copy = (content) => {
-    const el = document.createElement('textarea');
-    el.style.position = 'absolute';
-    el.style.zIndex = '-9999';
-    el.value = content;
-    document.body.appendChild(el);
-    el.select();
-    document.execCommand('copy');
-    el.remove();
-    ElMessage.success('复制成功');
+/**
+ * 复制文本
+ * @param {string} content 要复制的内容
+ */
+export const copy = async (content) => {
+    if (typeof navigator?.clipboard?.writeText === 'function') {
+        try {
+            await navigator.clipboard.writeText(content);
+            ElMessage.success('复制成功');
+        } catch (e) {
+            ElMessage.error('复制失败');
+            console.warn('复制失败', e);
+        }
+    } else {
+        const el = document.createElement('textarea');
+        el.style.position = 'absolute';
+        el.style.zIndex = '-9999';
+        el.value = content;
+        document.body.appendChild(el);
+        el.select();
+        if (document.execCommand('copy')) {
+            ElMessage.success('复制成功');
+        } else {
+            ElMessage.erorr('复制失败');
+        }
+        el.remove();
+    }
+};
+/**
+ * 下载指定地址的文件
+ * @param {*} fileName 文件名称
+ * @param {*} href 文件地址
+ */
+export const download = (fileName, href) => {
+    if ('download' in document.createElement('a')) {
+        const elink = document.createElement('a');
+        elink.download = fileName;
+        elink.style.display = 'none';
+        elink.href = href;
+        document.body.appendChild(elink);
+        elink.click();
+        document.body.removeChild(elink);
+    } else {
+        window.open(href, '_blank');
+    }
 };
+/**
+ * 导出为excel并下载
+ * @param {*} fileName 文件名称
+ * @param {*} data excel数据
+ */
+export const excel = (fileName, data) => {
+    const blob = new Blob([data], { type: 'text/plain,charset=UTF-8' });
+    if ('download' in document.createElement('a')) {
+        const elink = document.createElement('a');
+        elink.download = fileName;
+        elink.href = URL.createObjectURL(blob);
+        document.body.appendChild(elink);
+        elink.click();
+        URL.revokeObjectURL(elink.href);
+        document.body.removeChild(elink);
+    } else {
+        navigator.msSaveBlob(blob, fileName);
+    }
+};
+
 export default (app) => {
     app.config.globalProperties.$copy = copy;
 };