I have problems installing, it may be a problem from the server, but I don't know how to solve it.

Warning: fopen(/home/wwwroot/wuhaoidc.cn/system/storage/session//sess_ca5b8d8bc34100d4dc083fc80a): failed to open stream: Permission denied in /home/wwwroot/wuhaoidc.cn/system/library/session/file.php on line 29Warning: flock() expects parameter 1 to be resource, boolean given in /home/wwwroot/wuhaoidc.cn/system/library/session/file.php on line 31Warning: fwrite() expects parameter 1 to be resource, boolean given in /home/wwwroot/wuhaoidc.cn/system/library/session/file.php on line 33Warning: fflush() expects parameter 1 to be resource, boolean given in /home/wwwroot/wuhaoidc.cn/system/library/session/file.php on line 35Warning: flock() expects parameter 1 to be resource, boolean given in /home/wwwroot/wuhaoidc.cn/system/library/session/file.php on line 37Warning: fclose() expects parameter 1 to be resource, boolean given in /home/wwwroot/wuhaoidc.cn/system/library/session/file.php on line 39

Follow the install.txt file instructions from the download OC ZIP package from opencart.com . Your folder permissions have not been set properly,