when filling in the online application form for student origin loan, you can't choose the county financial aid center. This may be because this option is not listed in the application form, or it is outdated or no longer applicable.

In order to solve this problem, you can try the following methods:

1. Contact the county funding center and ask them if they have the latest information to update this option.

2. contact the customer service or technical support personnel of the application form, reflect the problem to them and ask them to provide solutions.

3. If the above two methods can't solve the problem, you can try to choose another county funding center or choose other options instead.

please note that when filling in the application form, you must ensure that the information you provide is accurate. If you are not sure how to fill in an option, you can refer to the guide of the application form or contact relevant personnel for help.