diff --git a/FAQ.md b/FAQ.md
index 3dfa6b6..71bb25a 100644
--- a/FAQ.md
+++ b/FAQ.md
@@ -1500,3 +1500,7 @@ https://github.com/rustdesk/rustdesk/discussions/12767#discussioncomment-1425997
 # Audio not heard from Win11 because of Voicemeter
 
 https://github.com/rustdesk/rustdesk/issues/2018#issuecomment-3239374964
+
+# "color must be int, or tuple of one or two elements error" when build custom client
+
+You can adjust the color mode bit depth in https://www.photopea.com/  and save them again.