diff --git a/sa-admin/src/main/java/net/lab1024/sa/admin/module/business/caseplatformcase/controller/CaseplatformCaseExcelController.java b/sa-admin/src/main/java/net/lab1024/sa/admin/module/business/caseplatformcase/controller/CaseplatformCaseExcelController.java
index fab5de7..48b52ca 100644
--- a/sa-admin/src/main/java/net/lab1024/sa/admin/module/business/caseplatformcase/controller/CaseplatformCaseExcelController.java
+++ b/sa-admin/src/main/java/net/lab1024/sa/admin/module/business/caseplatformcase/controller/CaseplatformCaseExcelController.java
@@ -3,7 +3,10 @@ package net.lab1024.sa.admin.module.business.caseplatformcase.controller;
 import com.alibaba.excel.EasyExcel;
 import com.alibaba.excel.ExcelWriter;
 import com.alibaba.excel.support.ExcelTypeEnum;
+import com.alibaba.excel.write.handler.SheetWriteHandler;
 import com.alibaba.excel.write.metadata.WriteSheet;
+import com.alibaba.excel.write.metadata.holder.WriteSheetHolder;
+import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder;
 import com.alibaba.excel.write.metadata.style.WriteCellStyle;
 import com.alibaba.excel.write.style.HorizontalCellStyleStrategy;
 import io.swagger.annotations.Api;
@@ -149,6 +152,13 @@ public class CaseplatformCaseExcelController {
                     .excelType(ExcelTypeEnum.XLSX)
                     .registerWriteHandler(new HorizontalCellStyleStrategy(headStyle, contentStyle))
                     .registerWriteHandler(customHandler)
+                    .registerWriteHandler(new SheetWriteHandler() {
+                        @Override
+                        public void afterSheetCreate(WriteWorkbookHolder writeWorkbookHolder, WriteSheetHolder writeSheetHolder) {
+                            SXSSFSheet sheet = (SXSSFSheet) writeSheetHolder.getSheet();
+                            sheet.setRandomAccessWindowSize(1000); // 调整内存缓存行数
+                        }
+                    })
                     .build();
 
             WriteSheet writeSheet = EasyExcel.writerSheet("劳务费明细")