客户端v3.74（u60）不能登录。

登录器界面
服务器IP界面（没有网页登录权限）

使用路由器做交换机用，通过无线网卡连接路由器发出的WIFI用公司的客户端来进行认证。
上端线路插入路由器的lan口，wan口空着。
路由器设置为静态IP，与本机设置为一样的IP，客户端正常登录。

本地网卡与路由器静态IP设置如下：
ip地址：172.29.228.99
子网掩码：255.255.255.0
网关地址：172.29.228.1
DNS服务器：
8.8.8.8
114.114.114.114

之前CMD里是不停的，这次再试的时候自己停下来了。
登陆时的调试显示：
[login] send 0301001e9f828c7febc64b2c7ba74bb3b30a56b77a627a7a3939333534300000000
00000000000000000000000000000000000000000000020021bc97921021bfcb073467e502e06da9
16ebab639f74a01ac1de463000000000000000000000000e90b6ef14da095b2010000000052454e5
a48454e0000000000000000000000000000000000000000000000000008080808000000000000000
00000000000000000940000000500000001000000280a00000200000038303839440000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000a00020
c20af47060000844bf55ee9dd0000e913
[login] recv 05000005150000000000000000000000000000000000
[login] packet sent.
[challenge] recv 0202ccabe3fa3f0000000100d003e8f000000000ac1de463f000a8a400003aa
e6f3c00000000d8020000
[DEBUG] challenge:
0202ccabe3fa3f0000000100d003e8f000000000ac1de463f000a8a400003aae6f3c00000000d802
0000
[challenge] challenge packet sent.
[mkpkt] 0301001e9f828c7febc64b2c7ba74bb3b30a56b77a627a7a393933353430000000000000
000000000000000000000000000000000000000020021bc97921021bfcb073467e502e06da916eba
b639f74a01ac1de463000000000000000000000000e90b6ef14da095b2010000000052454e5a4845
4e000000000000000000000000000000000000000000000000000808080800000000000000000000
000000000000940000000500000001000000280a0000020000003830383944000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
000000000000000000000000000000000000000000000000000000000000000000000a00020c20af
47060000844bf55ee9dd0000e913
[login] send 0301001e9f828c7febc64b2c7ba74bb3b30a56b77a627a7a3939333534300000000
00000000000000000000000000000000000000000000020021bc97921021bfcb073467e502e06da9
16ebab639f74a01ac1de463000000000000000000000000e90b6ef14da095b2010000000052454e5
a48454e0000000000000000000000000000000000000000000000000008080808000000000000000
00000000000000000940000000500000001000000280a00000200000038303839440000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000000000
00000000000000000000000000000000000000000000000000000000000000000000000000a00020
c20af47060000844bf55ee9dd0000e913
[login] recv 4d15
[login] packet sent.
[challenge] recv 05000005150000000000000000000000000000000000
[DEBUG] challenge:
05000005150000000000000000000000000000000000
Traceback (most recent call last):
File "E:\TDDOWNLOAD\drcom-generic-debug-u62.py", line 322, in
main()
File "E:\TDDOWNLOAD\drcom-generic-debug-u62.py", line 312, in main
package_tail = login(username, password, server)
File "E:\TDDOWNLOAD\drcom-generic-debug-u62.py", line 252, in login
salt = challenge(svr,time.time()+random.randint(0xF,0xFF))
File "E:\TDDOWNLOAD\drcom-generic-debug-u62.py", line 61, in challenge
raise ChallengeException
**main**.ChallengeException