修改 用户登录数据库没有过期时间时 出现的空指针异常

src/main/java/cn/chnmuseum/party/web/controller/LoginController.java

 package cn.chnmuseum.party.web.controller;
 
-import cn.hutool.extra.qrcode.QrCodeUtil;
-import cn.hutool.extra.qrcode.QrConfig;
 import cn.chnmuseum.party.auth.SHA256PasswordEncryptionService;
 import cn.chnmuseum.party.auth.util.AESUtils;
 import cn.chnmuseum.party.auth.util.JwtTokenUtil;
@@ -14,6 +12,8 @@ import cn.chnmuseum.party.service.RoleService;
 import cn.chnmuseum.party.service.impl.MenuServiceImpl;
 import cn.chnmuseum.party.service.impl.TUserServiceImpl;
 import cn.chnmuseum.party.web.controller.base.BaseController;
+import cn.hutool.extra.qrcode.QrCodeUtil;
+import cn.hutool.extra.qrcode.QrConfig;
 import com.alibaba.fastjson.JSONObject;
 import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiImplicitParam;
@@ -149,7 +149,7 @@ public class LoginController extends BaseController {
                 }
 
                 if (user.getPermanent() != null && !user.getPermanent()) {
-                    if (user.getEffectiveDate().isAfter(LocalDate.now()) || user.getExiredDate().isBefore(LocalDate.now())) {
+                    if (user.getEffectiveDate() != null && user.getEffectiveDate().isAfter(LocalDate.now()) || user.getExiredDate() != null && user.getExiredDate().isBefore(LocalDate.now())) {
                         resultMap.put("resultCode", "4F00");
                         resultMap.put("message", "此帐号已失效，请联系管理员！");
                         return resultMap;