diff --git a/urbanops-module-workorder/src/main/java/com/zteits/urbanops/module/workorder/convert/maininfo/MainInfoConvert.java b/urbanops-module-workorder/src/main/java/com/zteits/urbanops/module/workorder/convert/maininfo/MainInfoConvert.java
index 1587814..443046a 100644
--- a/urbanops-module-workorder/src/main/java/com/zteits/urbanops/module/workorder/convert/maininfo/MainInfoConvert.java
+++ b/urbanops-module-workorder/src/main/java/com/zteits/urbanops/module/workorder/convert/maininfo/MainInfoConvert.java
@@ -32,13 +32,15 @@ public interface MainInfoConvert {
             MainInfoRespVO mainInfoVo = BeanUtils.toBean(mainInfoDO, MainInfoRespVO.class);
             if (attachmentMap != null && !attachmentMap.isEmpty()) {
                 AttachmentDO attachmentDO = attachmentMap.get(mainInfoDO.getOrderNo());
-                String fileNamesStr = attachmentDO.getFileNames();
-                List<String> fileNameList = fileNamesStr == null
-                        ? List.of()
-                        : Arrays.stream(fileNamesStr.split(","))
-                        .filter(fileName -> fileName != null && !fileName.trim().isEmpty())  // 过滤空字符串和空白
-                        .collect(Collectors.toList());
-                mainInfoVo.setFileNames(fileNameList);
+                if (attachmentDO != null) {
+                    String fileNamesStr = attachmentDO.getFileNames();
+                    List<String> fileNameList = fileNamesStr == null
+                            ? List.of()
+                            : Arrays.stream(fileNamesStr.split(","))
+                            .filter(fileName -> fileName != null && !fileName.trim().isEmpty())  // 过滤空字符串和空白
+                            .collect(Collectors.toList());
+                    mainInfoVo.setFileNames(fileNameList);
+                }
             }
             return mainInfoVo;
         });
@@ -50,13 +52,15 @@ public interface MainInfoConvert {
         if (mainInfoDO != null) {
             if (attachmentMap != null && !attachmentMap.isEmpty()) {
                 AttachmentDO attachmentDO = attachmentMap.get(mainInfoDO.getOrderNo());
-                String fileNamesStr = attachmentDO.getFileNames();
-                List<String> fileNameList = fileNamesStr == null
-                        ? List.of()
-                        : Arrays.stream(fileNamesStr.split(","))
-                        .filter(fileName -> fileName != null && !fileName.trim().isEmpty())  // 过滤空字符串和空白
-                        .collect(Collectors.toList());
-                mainInfoVo.setFileNames(fileNameList);
+                if (attachmentDO != null) {
+                    String fileNamesStr = attachmentDO.getFileNames();
+                    List<String> fileNameList = fileNamesStr == null
+                            ? List.of()
+                            : Arrays.stream(fileNamesStr.split(","))
+                            .filter(fileName -> fileName != null && !fileName.trim().isEmpty())  // 过滤空字符串和空白
+                            .collect(Collectors.toList());
+                    mainInfoVo.setFileNames(fileNameList);
+                }
             }
             mainInfoVo.setCompanyName(deptName);
             if (mainInfoVo.getCoHandlers() != null && !mainInfoVo.getCoHandlers().isEmpty()) {