我尝试上传图片但是当上传更大的图片（126KB，300KB）时我收到了错误
Internal Server Error
The server encountered an internal error or misconfiguration and was
unable to complete your request.
Please contact the server administrator at
webmaster@xxxx to inform them of the time this
error occurred, and the actions you performed just before this error.
More information about this error may be available in the server error
log.
Additionally, a 500 Internal Server Error error was encountered while
trying to use an ErrorDocument to handle the request.
我可以上传较小的图像（34KB，78KB）但更大的我不能。 PL帮助。有什么想法吗？