添加门户license验证接口

portal-manager/src/main/java/com/mortals/xhx/common/utils/LicenseUtil.java

 package com.mortals.xhx.common.utils;
 
 import cn.hutool.core.date.DateUtil;
+import cn.hutool.core.io.FileUtil;
 import com.mortals.framework.exception.AppException;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.commons.io.FileUtils;
@@ -46,6 +47,9 @@ public class LicenseUtil {
     public static Map<String, String> loadLicense(String errorPath, String licensePath, String pubPath) {
         try {
             // 读取密文内容
+            boolean fileExist = FileUtil.exist(licensePath);
+            if(!fileExist) throw new AppException("授权文件不存在！");
+
             String licenseText = FileUtils.readFileToString(new File(licensePath), String.valueOf(StandardCharsets.UTF_8));
             // 凯撒解密
             StringBuilder kaiserBuilder = new StringBuilder();