Security-Analytics-Events-Query string-Empty query string(It should be able to rec)

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What is the name of the domain?

null

What is the issue you’re encountering

I found that WAF was recently updated by Cloudflare. I originally had a WAF rule: URI Query String contains xxxxxx & User Agent contains xxxxxx. I was able to view the query string information of this rule in Events before, but now the query string is Empty query string.

What steps have you taken to resolve the issue?

1. I deleted the waf rule and added it again.
2. I switched to the new dashboard and the old one.
   The problem persists.

What are the steps to reproduce the issue?

This affects all my websites. This problem, if my website is /api/xxx/xxx or Other secondary and above website directories, then the query string is displayed as Empty query string. Previously, the query string could record data.

But with an extremely small probability, I can find 1-10 correctly recorded query string data.
I think the waf function works properly and matches the query string in the waf rule. But I cannot get the logs correctly in Events

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I uploaded the image. query string is no information, Empty query string

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