小程序打印报错

src/main/java/com/dk/mdm/controller/FileController.java

@@ -3,6 +3,7 @@ package com.dk.mdm.controller;
 import com.alibaba.fastjson.JSONObject;
 import com.dk.common.infrastructure.constant.Constant;
 import com.dk.common.infrastructure.enums.ErrorCodeEnum;
+import com.dk.common.model.vo.core.StaffEntity;
 import com.dk.common.response.ResponseResultUtil;
 import com.dk.common.response.ResponseResultVO;
 import com.dk.mdm.infrastructure.util.AuthUtils;
@@ -68,7 +69,7 @@ public class FileController {
      */
     private String getFileType(String fileName) {
         if (fileName.indexOf(".") >= 0) {
-            String appCode = Optional.ofNullable(authUtils.getStaff().getAppCode()).orElse("");
+            String appCode = Optional.ofNullable(authUtils.getStaff()).map(StaffEntity::getAppCode).orElse("");
             String fileType = fileName.substring(fileName.lastIndexOf(".") + 1);
             fileType = fileType.toLowerCase();