From 4ed4bcf5b7cadfcb027df2ce5d4477dc2e0dbdaf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=98=8E=E6=98=8E?= <ifyour@outlook.com>
Date: Sun, 5 Nov 2023 21:57:06 +0800
Subject: [PATCH] Update README.md

---
 README.md | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/README.md b/README.md
index edcc2be..5a510b9 100644
--- a/README.md
+++ b/README.md
@@ -31,3 +31,6 @@ yarn test
 
 yarn lint --fix
 ```
+
+## Known issues
+Based on current testing, Cloudflare and Cloudflare-based edge function runtimes (Vercel) are not able to correctly request the DeepL server, and a 525 error occurs, a detailed description of the issue can be found [here](https://github.com/cloudflare/workerd/issues/776).