网页在阿里云虚拟主机问题

ppeyou

求各位解答，这个是什么原因，做好网页之后上传到阿里云共享虚拟主机。
既在首页上显示这些信息，但首页（用户登录界面）又能显示。这是怎么回事？
A PHP Error was encountered

Severity: Warning

Message: chmod() has been disabled for security reasons

Filename: drivers/Session_files_driver.php

Line Number: 181

Backtrace:

File: /data/home/qxu2308700156/htdocs/zywworkload/application/controllers/Home.php
Line: 7
Function: __construct

File: /data/home/qxu2308700156/htdocs/zywworkload/index.php
Line: 298
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Cannot send session cookie - headers already sent by (output started at /data/home/qxu2308700156/htdocs/zywworkload/system/core/Exceptions.php:272)

Filename: Session/Session.php

Line Number: 140

Backtrace:

File: /data/home/qxu2308700156/htdocs/zywworkload/application/controllers/Home.php
Line: 7
Function: __construct

File: /data/home/qxu2308700156/htdocs/zywworkload/index.php
Line: 298
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: session_start(): Cannot send session cache limiter - headers already sent (output started at /data/home/qxu2308700156/htdocs/zywworkload/system/core/Exceptions.php:272)

Filename: Session/Session.php

Line Number: 140

Backtrace:

File: /data/home/qxu2308700156/htdocs/zywworkload/application/controllers/Home.php
Line: 7
Function: __construct

File: /data/home/qxu2308700156/htdocs/zywworkload/index.php
Line: 298
Function: require_once

[img]file:///C:\Users\xg\AppData\Roaming\Tencent\Users\1034710579\QQ\WinTemp\RichOle\QU0[9[OIRTCF(MF}89SP{`P.png[/img][img=0,1]file:///C:\Users\xg\AppData\Roaming\Tencent\Users\1034710579\QQ\WinTemp\RichOle\QU0[9[OIRTCF(MF}89SP{`P.png[/img][img=0,1]file:///C:\Users\xg\AppData\Roaming\Tencent\Users\1034710579\QQ\WinTemp\RichOle\QU0[9[OIRTCF(MF}89SP{`P.png[/img]
[img]file:///C:\Users\xg\AppData\Roaming\Tencent\Users\1034710579\QQ\WinTemp\RichOle\QU0[9[OIRTCF(MF}89SP{`P.png[/img]

Closer

因為他試圖建立 Session 檔
但伺服器沒有給予權限
所以登入畫面不會有事
登入後才會有事 (紀錄 Session)