fix

README.md

@@ -7,6 +7,10 @@
 
 基于 [vxe-table](https://www.npmjs.com/package/vxe-table) 的表格插件，支持导出 xlsx 格式，基于 [exceljs](https://github.com/exceljs/exceljs) 实现
 
+## Compatibility
+
+对应 vxe-table v3 版本  
+
 ## Installing
 
 ```shell

index.ts

@@ -17,6 +17,9 @@ const defaultCellBorderColor = 'e8eaec'
 
 function getCellLabel (column: ColumnConfig, cellValue: any) {
   if (cellValue) {
+    if (column.type === 'seq') {
+      return XEUtils.toValueString(cellValue)
+    }
     switch (column.cellType) {
       case 'string':
         return XEUtils.toValueString(cellValue)

package.json

@@ -47,10 +47,10 @@
     "gulp-uglify": "^3.0.2",
     "markdown-doctest": "^1.1.0",
     "prettier": "^2.1.2",
-    "typescript": "^4.0.5",
+    "typescript": "^4.6.4",
     "vue": "^2.6.14",
-    "vxe-table": "^3.4.4",
-    "xe-utils": "^3.4.0"
+    "vxe-table": "^3.6.13",
+    "xe-utils": "^3.5.7"
   },
   "peerDependencies": {
     "vxe-table": "^2.10.0 || ^3.2.0"