diff --git a/big1/big1.pdf b/big1/big1.pdf
index 1a1c402..d8aa93d 100644
Binary files a/big1/big1.pdf and b/big1/big1.pdf differ
diff --git a/big1/big1.typ b/big1/big1.typ
index 511c6de..0d515e8 100644
--- a/big1/big1.typ
+++ b/big1/big1.typ
@@ -5,7 +5,7 @@
   advisor: "张军",
   jobtitle: "工程师",
   lab: "306-707",
-  date: "2024.12.24",
+  date: "2025.10.28",
   header_str: "《网络工程》实验报告",
 )
 #set page(header: [
@@ -1245,7 +1245,7 @@
   检查以下项目来验证整个网络的功能：
 ]
   + 内网主机能够通过DHCP获取到IP地址；#box(
-  text(font: ("Times LT Pro","FZXiaoBiaoSong-B05"),fill: luma(240), weight:"bold", "先前已验证"),
+  text(font: ("Times New Roman","Noto Serif CJK SC"),fill: luma(240), weight:"bold", "先前已验证"),
   fill:green,
   inset: (x: 3pt, y: 0pt),
   outset: (y: 3pt),