cURL error 28 when importing demo

cURL error 28: Operation timed out after 5000 milliseconds with 116420 out of 281298 bytes received"

it excited when i import a demo “Church” into my website.
how can i fix it?

Hi,

Please contact your host and request to increase memory limit(256M) and maximum execution time(300).

If that doesn’t help, try to increase some more.

Hope that helps