NEED ADVICE FROM EXPERTS

NEED ADVICE FROM EXPERTS
My website A-Z, sitemap, robot.txt, internal links,... have all been optimized, the index tag has also been opened, but every 1-2 indexes, today the index is lost. In addition, when entering gg console to re-index, only 1 link is forced and the status is warned as in the picture.
If anyone has encountered such a case, please give me some advice
I SINCERELY THANK YOU and will reward you!

That usually points to a deeper indexing or trust issue rather than a technical setup problem. Even with sitemap and robots.txt correct, Google can drop pages if it sees low-quality content, thin pages, duplicate content, or weak backlinks. I’d check for crawl budget issues, review the site’s content depth, and build some fresh, relevant links to improve trust signals before reindexing.

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