diff --git a/index.ts b/index.ts
index 03d5cea..2a8ba8e 100644
--- a/index.ts
+++ b/index.ts
@@ -5,12 +5,12 @@ import ExcelJS from 'exceljs'
 let vxetable:VXETableCore
 
 declare module 'vxe-table' {
-  namespace VxeTableDefines {
-    interface ExtortSheetMethodParams {
+  export namespace VxeTableDefines {
+    export interface ExtortSheetMethodParams {
       workbook: ExcelJS.Workbook;
       worksheet: ExcelJS.Worksheet;
     }
-    interface ColumnInfo {
+    export interface ColumnInfo {
       _row: any;
       _colSpan: number;
       _rowSpan: number;
@@ -448,22 +448,23 @@ function handleExportEvent (params: VxeGlobalInterceptorHandles.InterceptorExpor
 }
 
 /**
- * 基于 vxe-table 表格的增强插件，支持导出 xlsx 格式
+ * 基于 vxe-table 表格的扩展插件，支持导出 xlsx 格式
  */
 export const VXETablePluginExportXLSX = {
-  install (vxetablecore: VXETableCore) {
-    const { setup, interceptor } = vxetablecore
+  install (vxetable: VXETableCore) {
+    // 检查版本
+    if (!/^(4)\./.test(vxetable.version)) {
+      console.error('[vxe-table-plugin-export-pdf] Version vxe-table 4.x is required')
+    }
 
-    vxetable = vxetablecore
-
-    setup({
+    vxetable.setup({
       export: {
         types: {
           xlsx: 0
         }
       }
     })
-    interceptor.mixin({
+    vxetable.interceptor.mixin({
       'event.import': handleImportEvent,
       'event.export': handleExportEvent
     })
diff --git a/package.json b/package.json
index 98186b3..b495f71 100644
--- a/package.json
+++ b/package.json
@@ -1,11 +1,12 @@
 {
   "name": "vxe-table-plugin-export-xlsx",
-  "version": "3.0.8",
-  "description": "基于 vxe-table 的表格插件，支持导出 xlsx 格式",
+  "version": "3.1.0",
+  "description": "基于 vxe-table 表格的扩展插件，支持导出 xlsx 格式",
   "scripts": {
     "lib": "gulp build"
   },
   "files": [
+    "types",
     "dist",
     "*.ts",
     "*.d.ts"
@@ -14,7 +15,7 @@
   "unpkg": "dist/index.umd.js",
   "jsdelivr": "dist/index.umd.js",
   "style": "dist/style.css",
-  "typings": "index.ts",
+  "typings": "types/index.d.ts",
   "devDependencies": {
     "@babel/core": "^7.12.3",
     "@babel/plugin-transform-runtime": "^7.12.1",
@@ -50,11 +51,11 @@
     "sass": "^1.55.0",
     "typescript": "^4.6.4",
     "vue": "^3.3.4",
-    "vxe-table": "^4.4.6",
-    "xe-utils": "^3.5.11"
+    "vxe-table": "^4.5.10",
+    "xe-utils": "^3.5.13"
   },
   "peerDependencies": {
-    "vxe-table": "^4.0.27"
+    "vxe-table": "^4.5.0"
   },
   "repository": {
     "type": "git",
diff --git a/types/index.d.ts b/types/index.d.ts
new file mode 100644
index 0000000..4bb7991
--- /dev/null
+++ b/types/index.d.ts
@@ -0,0 +1,10 @@
+import { VXETableCore } from 'vxe-table'
+
+/**
+ * 基于 vxe-table 表格的扩展插件，支持导出 xlsx 格式
+ */
+export declare const VXETablePluginExportXLSX: {
+  install (vxetable: VXETableCore): void
+}
+
+export default VXETablePluginExportXLSX