diff --git a/bonus-modules/bonus-material/src/main/java/com/bonus/material/settlement/controller/SltAgreementInfoController.java b/bonus-modules/bonus-material/src/main/java/com/bonus/material/settlement/controller/SltAgreementInfoController.java
index c9a50b03..867e2955 100644
--- a/bonus-modules/bonus-material/src/main/java/com/bonus/material/settlement/controller/SltAgreementInfoController.java
+++ b/bonus-modules/bonus-material/src/main/java/com/bonus/material/settlement/controller/SltAgreementInfoController.java
@@ -1907,8 +1907,15 @@ public class SltAgreementInfoController extends BaseController {
                 String fileName = "";
                 String unitName = "";
                 String projectName = "";
-                unitName = agreementInfo.getUnitName();
-                projectName = agreementInfo.getProjectName();
+                // 清理非法字符（Windows文件名不允许: \ / : * ? " < > |）
+                unitName = cleanFileName(agreementInfo.getUnitName());
+                projectName = cleanFileName(agreementInfo.getProjectName());
+                String agreementCode = cleanFileName(agreementInfo.getAgreementCode());
+
+                // 构建安全的文件名（限制总长度不超过150字符）
+                String rawFileName = agreementCode + "-" + unitName + "-" + projectName + "_结算单.xls";
+                fileName = rawFileName.length() > 150 ?
+                        rawFileName.substring(0, 150) + ".xls" : rawFileName;
 
                 //租赁费用明细
                 BigDecimal totalCostLease = BigDecimal.valueOf(0.00);
@@ -2055,7 +2062,7 @@ public class SltAgreementInfoController extends BaseController {
                 List<String> headersScrap = receiveDetailsHeader(4,1);
                 List<String> headersReduction = receiveDetailsHeader(5,1);
 
-                fileName  = agreementInfo.getAgreementCode() + "-" +  unitName + "-" + projectName+ "_结算单.xls" ;
+//                fileName  = agreementInfo.getAgreementCode() + "-" +  unitName + "-" + projectName+ "_结算单.xls" ;
                 // 导出单个Excel文件
                 String filePath = tempDir + File.separator + fileName;
                 try (FileOutputStream fos = new FileOutputStream(filePath)) {
@@ -2093,5 +2100,20 @@ public class SltAgreementInfoController extends BaseController {
         }
     }
 
+    // 添加文件名清理工具方法
+    private String cleanFileName(String name) {
+        if (name == null) {
+            return "未知"; // 空值默认处理
+        }
+        // 1. 替换所有非法字符（含控制字符：制表符、回车、换行）
+        String cleaned = name.replaceAll("[\\\\/:*?\"<>|\\t\\r\\n]", "_")
+                .trim(); // 去除首尾空格
 
+        // 2. 截断过长字符串（单个部分最长50字符）
+        if (cleaned.length() > 50) {
+            cleaned = cleaned.substring(0, 50) + "_";
+        }
+
+        return cleaned;
+    }
 }