diff --git a/Software/OperatingSystem/Linux/Manjaro/Manjaro_初始配置.md b/Software/OperatingSystem/Linux/Manjaro/Manjaro_初始配置.md
index d6f82bc..2e9a3e6 100644
--- a/Software/OperatingSystem/Linux/Manjaro/Manjaro_初始配置.md
+++ b/Software/OperatingSystem/Linux/Manjaro/Manjaro_初始配置.md
@@ -227,6 +227,8 @@ export XMODIFIERS=@im=ibus
 
 ```sh
 pacman -S qtcreator qt5-base qt5-doc
+# QT 程序使用 gtk 主题，否则非常丑.
+echo "export QT_QPA_PLATFORMTHEME=gtk2" >> ~/.profile
 ```
 
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