diff --git a/FAQ.md b/FAQ.md
index 43f4661..238a53b 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -390,6 +390,13 @@ Ensure your relay server (`hbbr` which uses TCP `21117` port) is running on the
 
 ![image](https://github.com/user-attachments/assets/90c51c37-8ec4-4bcf-96e3-e8d21b60c878)
 
+- Case 1
+> User: We are currently experiencing major problems connecting to a large number of clients. Some connections work without problems, but for most, the connection window "Connecting" appears, the circle spins, and then nothing else happens.
+> 
+> User: Never mind, the relay server wasn't listed after the update.
+
+We run the server on a Synology Docker container.
+
 # The connection is interrupted every 10-15 seconds
 
 Check `C:\Windows\ServiceProfiles\LocalService\AppData\Roaming\RustDesk\log\server\RustDesk_rCURRENT.log`, if there is something as below.