diff --git a/src/main/java/com/xujie/sys/config/MybatisPlusConfig.java b/src/main/java/com/xujie/sys/config/MybatisPlusConfig.java
index 2cf9ebf..d034cbf 100644
--- a/src/main/java/com/xujie/sys/config/MybatisPlusConfig.java
+++ b/src/main/java/com/xujie/sys/config/MybatisPlusConfig.java
@@ -24,7 +24,7 @@ public class MybatisPlusConfig {
         // 当前页码大于总页数返回首页
         paginationInterceptor.setOverflow(true);
         // 单页最大条数，默认 500；设为 -1 不做限制
-        paginationInterceptor.setLimit(5000);
+        paginationInterceptor.setLimit(50000);
         return paginationInterceptor;
     }
 
diff --git a/src/main/java/com/xujie/sys/modules/pms/controller/QcReportController.java b/src/main/java/com/xujie/sys/modules/pms/controller/QcReportController.java
index 2a2d7f3..f191545 100644
--- a/src/main/java/com/xujie/sys/modules/pms/controller/QcReportController.java
+++ b/src/main/java/com/xujie/sys/modules/pms/controller/QcReportController.java
@@ -74,12 +74,11 @@ public class QcReportController {
     }
 
     @PostMapping("/downloadQcRecordMillion")
-    public R downloadQcRecordMillion(HttpServletResponse response, @RequestBody QcReportData data)throws Exception {
+    public void downloadQcRecordMillion(HttpServletResponse response, @RequestBody QcReportData data)throws Exception {
         try {
             qcReportService.downloadQcRecordMillion(response, data);
-            return R.ok();
         } catch (IOException e) {
-            return R.error(e.getMessage());
+            e.printStackTrace();
         }
     }
 
diff --git a/src/main/java/com/xujie/sys/modules/pms/service/Impl/QcReportServiceImpl.java b/src/main/java/com/xujie/sys/modules/pms/service/Impl/QcReportServiceImpl.java
index 9ec02fe..d5d3a7f 100644
--- a/src/main/java/com/xujie/sys/modules/pms/service/Impl/QcReportServiceImpl.java
+++ b/src/main/java/com/xujie/sys/modules/pms/service/Impl/QcReportServiceImpl.java
@@ -141,6 +141,8 @@ public class QcReportServiceImpl implements QcReportService {
 
             // 4. 查询总数
             int totalRowCount = this.qcReportMapper.getIPQCReportCountOptimized(data);
+            System.out.println("----------------------------"+totalRowCount);
+
             if (totalRowCount <= 0) {
                 // 处理空数据：写入空Excel（避免客户端收到损坏文件）
                 writer = EasyExcel.write(out, QcReportIPQCData.class).autoCloseStream(false).build();
@@ -154,6 +156,7 @@ public class QcReportServiceImpl implements QcReportService {
             // 5. 分页参数
             int pageSize = ExcelConstant.PER_WRITE_ROW_COUNT;
             int writeCount = (totalRowCount + pageSize - 1) / pageSize; // 优化分页计算
+            System.out.println("-----------------"+writeCount);
 
             // 6. 线程池（明确配置，避免资源泄漏）
             executor = new ThreadPoolExecutor(
@@ -187,7 +190,7 @@ public class QcReportServiceImpl implements QcReportService {
             // 9. 处理子线程结果（捕获异常）
             for (Future<List<QcReportIPQCData>> future : futureList) {
                 try {
-                    List<QcReportIPQCData> dataList = future.get(30, TimeUnit.SECONDS); // 单个任务超时
+                    List<QcReportIPQCData> dataList = future.get(180, TimeUnit.SECONDS); // 单个任务超时
                     if (dataList != null) {
                         writer.write(dataList, sheet);
                     }
@@ -203,13 +206,12 @@ public class QcReportServiceImpl implements QcReportService {
             out.flush();
 
         } catch (Exception e) {
-            // 增强异常信息，便于排查
             throw new RuntimeException("下载QC报表失败: " + e.getMessage(), e);
         } finally {
             // 10. 按顺序关闭资源（先关闭writer，再关闭流）
             if (writer != null) {
                 try {
-                    writer.finish(); // 确保最后关闭writer
+                    writer.finish();
                 } catch (Exception e) {
                     e.printStackTrace();
                 }