接口注释，人员部分代码

notes-pas/src/main/java/com/zjty/tynotes/pas/config/MyUserDetailsServiceImpl.java

@@ -49,20 +49,25 @@ public class MyUserDetailsServiceImpl implements UserDetailsService {
         if(user!=null){
             List<UserRole> userRoles = userRoleDao.findAllByUserId(user.getId());
             List<String> roleIds = new ArrayList<>();
+            if(userRoles!=null){
                 for (UserRole userRole : userRoles) {
                     roleIds.add(userRole.getRoleId());
                 }
+            }
             user.setUsername(username);
             user.setPassword(bCryptPasswordEncoder.encode(user.getPassword()));
             ArrayList<SimpleGrantedAuthority> list = new ArrayList<>();
             List<Role> roles = roleDao.findAllByIdIn(roleIds);
             List<RoleAuthority> roleAuthorities = roleAuthorityDao.findAllByRoleIdIn(roleIds);
             List<String> authorityIds = new ArrayList<>();
+            if(roleAuthorities!=null){
                 for (RoleAuthority roleAuthority : roleAuthorities) {
                     if(!authorityIds.contains(roleAuthority.getAuthorityId())){
                         authorityIds.add(roleAuthority.getAuthorityId());
                     }
                 }
+            }
+
             List<Authority> authorities = authorityDao.findAllByIdIn(authorityIds);
             authorities.forEach(authority -> {
                 list.add(new SimpleGrantedAuthority(authority.getName()));