First, directly submit the site map (sitemap) to Google, and Google will arrange crawlers to crawl the page.
1、在Google Search Console中提交sitemap.xml
2. Use the ping tool
Enter: https://www.google.com/ping? sitemap=https://example.com/sitemap.xml
3. Insert the following line anywhere in the robots.txt file
Sitemap: https://example.com/sitemap.xml
二、在外部网站建立链接至自己的网站。
speed-up-google-index-submit-sitemap