进度控制开发，任务模式bug修正

ruoyi-system/src/main/java/com/ruoyi/system/service/SysLoginService.java

@@ -210,7 +210,8 @@ public class SysLoginService {
     private SysUser loadUserByUsername(String username) {
         SysUser user = userMapper.selectOne(new LambdaQueryWrapper<SysUser>()
             .select(SysUser::getUserName, SysUser::getStatus)
-            .eq(SysUser::getUserName, username));
+            .eq(SysUser::getUserName, username)
+                .eq(SysUser::getDelFlag,0));
         if (ObjectUtil.isNull(user)) {
             log.info("登录用户：{} 不存在.", username);
             throw new UserException("user.not.exists", username);