diff --git a/Development-Side-Notes.md b/Development-Side-Notes.md
index c2286d5..39cbc46 100644
--- a/Development-Side-Notes.md
+++ b/Development-Side-Notes.md
@@ -2,4 +2,5 @@ Just a note for some traps and useful things for development.
 
 - node-bullseye image is not working on Raspberry Pi (armv7), need to downgrade to node-buster.
 - node-alpine3.13 image is not working on Raspberry Pi (armv7), need to downgrade to alpine 3.12.
-- docker-alpine's dns is actually not stable in some systems.
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+- docker-alpine's dns is actually not stable in some systems.
+- [CSS] do not use any system-ui fonts, the fonts will be difference in difference Windows Languages
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