If this is true:

1. See if there is any intelligent classification error on the website where he posted the advertisement, and adjust it;

2. Look at the newly released (need to order);

If the effect is not good, contact the job advertisement on the website.

4. Download your colleague's resume again and call the applicant unexpectedly.

5. In addition, you can look at other channels, such as Weibo, on-site job fairs and internal recommendations (there must be rewards).

6. In the second stage, record and analyze the number of resumes and control the channels.

If it is a case:

Then sort out the recruitment process or something, theoretical things