diff --git a/chsrc.c b/chsrc.c
index 00e8980..809db50 100644
--- a/chsrc.c
+++ b/chsrc.c
@@ -3,7 +3,7 @@
  * License       : GPLv3
  * Authors       : Aoran Zeng <ccmywish@qq.com>
  * Created on    : <2023-08-28>
- * Last modified : <2023-09-27>
+ * Last modified : <2023-09-29>
  *
  * chsrc:
  *
@@ -12,7 +12,7 @@
  *   该软件为自由软件，采用 GPLv3 许可证，请查阅 LICENSE.txt 文件
  * ------------------------------------------------------------*/
 
-#define Chsrc_Version "v0.1.2-20230927"
+#define Chsrc_Version "v0.1.2-20230929"
 
 #include "chsrc.h"
 
@@ -1211,6 +1211,36 @@ os_manjaro_setsrc(char* option)
 
 
 
+void
+os_trisquel_getsrc (char* option)
+{
+  chsrc_check_file ("/etc/apt/sources.list");
+}
+
+/**
+ * 参考: https://help.mirrors.cernet.edu.cn/trisquel/
+ */
+void
+os_trisquel_setsrc (char* option)
+{
+  ensure_root();
+
+  int index = use_specific_mirror_or_auto_select (option, os_trisquel);
+
+  source_info source = os_trisquel_sources[index];
+  chsrc_say_selection(&source);
+
+  chsrc_backup ("/etc/apt/sources.list");
+
+  char* cmd = xy_strjoin(3, "sed -E -i 's@https?://.*/trisquel/?@", source.url, "@g' /etc/apt/sources.list");
+
+  puts(cmd);
+  chsrc_run("sudo apt update");
+  chsrc_say_thanks(&source);
+}
+
+
+
 /**
  * HELP: 未经测试
  */
@@ -1759,6 +1789,7 @@ def_target_info(os_ubuntu);
 def_target_info(os_debian);
 def_target_info(os_deepin);
 def_target_info(os_void);
+def_target_info(os_trisquel);
 def_target_info(os_netbsd);
 def_target_info(os_openbsd);
 
@@ -1790,6 +1821,7 @@ static const char
 *os_rocky         [] = {"rocky",  "rockylinux", NULL,  targetinfo(&os_rocky_target)},
 *os_alpine        [] = {"alpine",               NULL,  targetinfo(&os_alpine_target)},
 *os_void          [] = {"void",   "voidlinux",  NULL,  targetinfo(&os_void_target)},
+*os_trisquel      [] = {"trisquel",             NULL,  targetinfo(&os_trisquel_target)},
 *os_freebsd       [] = {"freebsd",              NULL,  targetinfo(&os_freebsd_target)},
 *os_netbsd        [] = {"netbsd",               NULL,  targetinfo(&os_netbsd_target)},
 *os_openbsd       [] = {"openbsd",              NULL,  targetinfo(&os_openbsd_target)},
@@ -1802,6 +1834,7 @@ static const char
   os_arch,    os_manjaro, os_gentoo,
   os_rocky,
   os_alpine,
+  os_trisquel,
   os_freebsd, os_netbsd,  os_openbsd,
   os_msys2,
   os_deepin, os_openeuler, os_openkylin,