diff --git a/index.ts b/index.ts
index 9940e3e..b9dd104 100644
--- a/index.ts
+++ b/index.ts
@@ -122,7 +122,6 @@ function exportXLSX (params: VxeGlobalInterceptorHandles.InterceptorExportParams
   const { rowHeight } = reactData
   const { message, sheetName, isHeader, isFooter, isMerge, isColgroup, original, useStyle, sheetMethod } = options
   const columnOpts = computeColumnOpts.value
-  const _isCustomColumn: boolean = (options as any)._isCustomColumn
   const showMsg = message !== false
   const mergeCells = $table.getMergeCells()
   const colList: any[] = []
@@ -173,7 +172,7 @@ function exportXLSX (params: VxeGlobalInterceptorHandles.InterceptorExportParams
     beforeRowCount += colList.length
   }
   // 处理合并
-  if (isMerge && !_isCustomColumn) {
+  if (isMerge) {
     mergeCells.forEach(mergeItem => {
       const { row: mergeRowIndex, rowspan: mergeRowspan, col: mergeColIndex, colspan: mergeColspan } = mergeItem
       sheetMerges.push({
@@ -196,7 +195,7 @@ function exportXLSX (params: VxeGlobalInterceptorHandles.InterceptorExportParams
     const footers = getFooterData(options, footerData)
     const mergeFooterItems = $table.getMergeFooterItems()
     // 处理合并
-    if (isMerge && !_isCustomColumn) {
+    if (isMerge) {
       mergeFooterItems.forEach(mergeItem => {
         const { row: mergeRowIndex, rowspan: mergeRowspan, col: mergeColIndex, colspan: mergeColspan } = mergeItem
         sheetMerges.push({
diff --git a/package.json b/package.json
index 2b8da51..d369d77 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "vxe-table-plugin-export-xlsx",
-  "version": "4.0.4",
+  "version": "4.0.5",
   "description": "基于 vxe-table 表格的扩展插件，支持导出 xlsx 格式",
   "scripts": {
     "lib": "gulp build"