After getting the visa, I find that the number of visas or the period of stay is not enough. Can I change it?

When applying for a visa, the applicant should indicate the number of times of intended entry and th[...]

When applying for a visa, the applicant should indicate the number of times of intended entry and the maximum length of stay in China on the visa application form. Changes cannot be made once the visa is approved. If the applicant changes the planned itinerary so that the number of visas or the duration of stay cannot meet the actual needs, the applicant can re-apply for the visa, but needs to submit the application materials and pay the fee again.