miktex下载cjk宏包时候报错，大神求帮助

报错信息
MiKTeX Problem Report
Message: Error response from server: 404
Data:
Source: Libraries\MiKTeX\PackageManager\CurlWebSession.cpp
Line: 345
MiKTeX: 2.9
OS: Windows 7 Ultimate, 32-bit, Service Pack 1, build 7601
Invokers: explorer
SystemAdmin: yes
PowerUser: no
Root0: C:\Users\user\AppData\Roaming\MiKTeX\2.9
Root1: C:\Users\user\AppData\Local\MiKTeX\2.9
Root2: C:\Users\user\AppData\Local\PrograMS\MiKTeX 2.9
Root3: C:\ProgramData\MiKTeX\2.9
Root4: C:\Program Files\MiKTeX 2.9
UserInstall: C:\Users\user\AppData\Local\PrograMS\MiKTeX 2.9
UserConfig: C:\Users\user\AppData\Roaming\MiKTeX\2.9
UserData: C:\Users\user\AppData\Local\MiKTeX\2.9
CommonInstall: C:\Program Files\MiKTeX 2.9
CommonConfig: C:\ProgramData\MiKTeX\2.9
CommonData: C:\ProgramData\MiKTeX\2.9