diff --git a/apt.list/ustc/trixie.sources.list b/apt.list/ustc/trixie.sources.list
new file mode 100644
index 0000000..b72e2bc
--- /dev/null
+++ b/apt.list/ustc/trixie.sources.list
@@ -0,0 +1,11 @@
+deb https://mirrors.ustc.edu.cn/debian/ trixie main contrib non-free non-free-firmware
+deb-src https://mirrors.ustc.edu.cn/debian/ trixie main contrib non-free non-free-firmware
+
+deb https://mirrors.ustc.edu.cn/debian/ trixie-updates main contrib non-free non-free-firmware
+deb-src https://mirrors.ustc.edu.cn/debian/ trixie-updates main contrib non-free non-free-firmware
+
+deb https://mirrors.ustc.edu.cn/debian/ trixie-backports main contrib non-free non-free-firmware
+deb-src https://mirrors.ustc.edu.cn/debian/ trixie-backports main contrib non-free non-free-firmware
+
+deb https://mirrors.ustc.edu.cn/debian-security/ trixie-security main contrib non-free non-free-firmware
+deb-src https://mirrors.ustc.edu.cn/debian-security/ trixie-security main contrib non-free non-free-firmware
\ No newline at end of file