维保计划导出错误

lift-business-service/src/main/java/cn/com/ty/lift/business/maintenance/service/MaintenanceRecordService.java

@@ -914,7 +914,8 @@ public class MaintenanceRecordService extends ServiceImpl<MaintenanceRecordMappe
                 registrationCode = StrUtil.isNotEmpty(registrationCode) ? registrationCode.replace(illegalChars, "-") : "[电梯注册代码]";
                 useCompanyCode = useCompanyCode != null ? useCompanyCode : "未设置梯号";
                 //保养单及图片文件夹 dir/i.ProjectName-RegistrationCode/
-                String imgDir = StrUtil.format("{}{}.{}-{}", dir + File.separator, useCompanyCode, projectName, registrationCode + File.separator);
+                String imgDir = StrUtil.format("{}{}{}.{}-{}{}", dir, File.separator, useCompanyCode, projectName, registrationCode, File.separator);
+                new File(imgDir).mkdir();
                 //生成维保图片
                 List<MtRecordImg> mtRecordImgs = mtRecordResponse.getMtRecordImgs();
                 List<MtRecordImg> imgs = mtRecordImgs.stream().filter(img -> mtRecordResponse.getId().equals(img.getMtRecordId())).collect(Collectors.toList());