diff --git a/chsrc.c b/chsrc.c
index 92dd59e..857181d 100644
--- a/chsrc.c
+++ b/chsrc.c
@@ -50,7 +50,7 @@ pl_ruby_setsrc (char* option)
 
   index = use_specific_mirror_or_auto_select (option, pl_ruby);
 
-  source_info source = pl_ruby_sources[index];
+  SourceInfo source = pl_ruby_sources[index];
   chsrc_say_selection (&source);
 
   char* cmd = NULL;
@@ -127,7 +127,7 @@ pl_python_setsrc (char* option)
 
   index = use_specific_mirror_or_auto_select (option, pl_python);
 
-  source_info source = pl_python_sources[index];
+  SourceInfo source = pl_python_sources[index];
   chsrc_say_selection(&source);
 
   char* cmd = xy_2strjoin(prog, xy_2strjoin(" -m pip config set global.index-url ", source.url));
@@ -184,7 +184,7 @@ pl_nodejs_setsrc (char* option)
 
   index = use_specific_mirror_or_auto_select (option, pl_nodejs);
 
-  source_info source = pl_nodejs_sources[index];
+  SourceInfo source = pl_nodejs_sources[index];
   chsrc_say_selection (&source);
 
   if (npm_exist)
@@ -234,7 +234,7 @@ pl_perl_setsrc (char* option)
 {
   int index = use_specific_mirror_or_auto_select (option, pl_perl);
 
-  source_info source = pl_perl_sources[index];
+  SourceInfo source = pl_perl_sources[index];
   chsrc_say_selection (&source);
 
   char* cmd = xy_strjoin(3,
@@ -281,7 +281,7 @@ pl_php_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, pl_php);
 
-  source_info source = pl_php_sources[index];
+  SourceInfo source = pl_php_sources[index];
   chsrc_say_selection (&source);
 
   char* cmd = xy_2strjoin("composer config -g repo.packagist composer ", source.url);
@@ -306,7 +306,7 @@ pl_lua_setsrc (char* option)
 {
   int index = use_specific_mirror_or_auto_select (option, pl_lua);
 
-  source_info source = pl_lua_sources[index];
+  SourceInfo source = pl_lua_sources[index];
   chsrc_say_selection (&source);
 
   char* config = xy_strjoin(3, "rocks_servers = {\n"
@@ -357,7 +357,7 @@ pl_go_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, pl_go);
 
-  source_info source = pl_go_sources[index];
+  SourceInfo source = pl_go_sources[index];
   chsrc_say_selection (&source);
 
   char* cmd = "go env -w GO111MODULE=on";
@@ -384,7 +384,7 @@ pl_rust_setsrc (char* option)
 {
   int index = use_specific_mirror_or_auto_select (option, pl_rust);
 
-  source_info source = pl_rust_sources[index];
+  SourceInfo source = pl_rust_sources[index];
   chsrc_say_selection(&source);
 
   const char* file = xy_strjoin (3,
@@ -467,7 +467,7 @@ pl_java_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, pl_java);
 
-  source_info source = pl_java_sources[index];
+  SourceInfo source = pl_java_sources[index];
   chsrc_say_selection(&source);
 
   if (maven_exist) {
@@ -509,7 +509,7 @@ pl_clojure_setsrc(char* option)
 {
   int index = use_specific_mirror_or_auto_select (option, pl_clojure);
 
-  source_info source = pl_clojure_sources[index];
+  SourceInfo source = pl_clojure_sources[index];
   chsrc_say_selection (&source);
 
   chsrc_warn("抱歉，Clojure换源较复杂，您可手动查阅并换源:");
@@ -540,7 +540,7 @@ pl_dart_setsrc (char* option)
 {
   int index = use_specific_mirror_or_auto_select (option, pl_dart);
 
-  source_info source = pl_dart_sources[index];
+  SourceInfo source = pl_dart_sources[index];
   chsrc_say_selection(&source);
 
   char* towrite = NULL;
@@ -587,7 +587,7 @@ pl_haskell_setsrc(char* option)
 {
   int index = use_specific_mirror_or_auto_select (option, pl_haskell);
 
-  source_info source = pl_haskell_sources[index];
+  SourceInfo source = pl_haskell_sources[index];
   chsrc_say_selection (&source);
 
   char* file = xy_strjoin(3, "repository mirror\n"
@@ -657,7 +657,7 @@ pl_ocaml_setsrc(char* option)
 
   int index = use_specific_mirror_or_auto_select (option, pl_ocaml);
 
-  source_info source = pl_ocaml_sources[index];
+  SourceInfo source = pl_ocaml_sources[index];
   chsrc_say_selection (&source);
 
   char* cmd = xy_strjoin(3, "opam repo set-url default ",
@@ -697,7 +697,7 @@ pl_r_setsrc (char* option)
 {
   int index = use_specific_mirror_or_auto_select (option, pl_r);
 
-  source_info source = pl_r_sources[index];
+  SourceInfo source = pl_r_sources[index];
   chsrc_say_selection(&source);
 
   char* bioconductor_url = xy_str_delete_suffix(xy_str_delete_suffix(source.url, "cran/"), "CRAN/");
@@ -745,7 +745,7 @@ pl_julia_setsrc (char* option)
 {
   int index = use_specific_mirror_or_auto_select (option, pl_julia);
 
-  source_info source = pl_julia_sources[index];
+  SourceInfo source = pl_julia_sources[index];
   chsrc_say_selection(&source);
 
   const char* towrite = xy_strjoin (3, "ENV[\"JULIA_PKG_SERVER\"] = \"", source.url, "\"");
@@ -779,7 +779,7 @@ os_ubuntu_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_ubuntu);
 
-  source_info source = os_ubuntu_sources[index];
+  SourceInfo source = os_ubuntu_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_backup (ETC_APT_SOURCELIST);
@@ -818,7 +818,7 @@ os_mint_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_mint);
 
-  source_info source = os_mint_sources[index];
+  SourceInfo source = os_mint_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_backup ("/etc/apt/sources.list.d/official-package-repositories.list");
@@ -851,7 +851,7 @@ os_debian_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_debian);
 
-  source_info source = os_debian_sources[index];
+  SourceInfo source = os_debian_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_info ("如果遇到无法拉取 HTTPS 源的情况，我们会使用 HTTP 源并需要您运行:");
@@ -884,7 +884,7 @@ os_raspberrypi_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_raspberrypi);
 
-  source_info source = os_raspberrypi_sources[index];
+  SourceInfo source = os_raspberrypi_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_backup ("/etc/apt/sources.list.d/raspi.list");
@@ -915,7 +915,7 @@ os_deepin_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_deepin);
 
-  source_info source = os_deepin_sources[index];
+  SourceInfo source = os_deepin_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_backup (ETC_APT_SOURCELIST);
@@ -942,7 +942,7 @@ os_fedora_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_fedora);
 
-  source_info source = os_fedora_sources[index];
+  SourceInfo source = os_fedora_sources[index];
   chsrc_say_selection(&source);
 
   xy_warn ("chsrc: fedora 29 及以下版本暂不支持");
@@ -983,7 +983,7 @@ os_opensuse_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_opensuse);
 
-  source_info source = os_opensuse_sources[index];
+  SourceInfo source = os_opensuse_sources[index];
   chsrc_say_selection(&source);
 
   char* source_nselect = "zypper mr -da";
@@ -1046,7 +1046,7 @@ os_kali_setsrc(char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_kali);
 
-  source_info source = os_kali_sources[index];
+  SourceInfo source = os_kali_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_backup (ETC_APT_SOURCELIST);
@@ -1071,7 +1071,7 @@ os_msys2_setsrc(char* option)
 {
   int index = use_specific_mirror_or_auto_select (option, os_msys2);
 
-  source_info source = os_msys2_sources[index];
+  SourceInfo source = os_msys2_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_backup ("/etc/pacman.d/mirrorlist.mingw32");
@@ -1103,7 +1103,7 @@ os_arch_setsrc(char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_arch);
 
-  source_info source = os_arch_sources[index];
+  SourceInfo source = os_arch_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_backup ("/etc/pacman.d/mirrorlist");
@@ -1151,7 +1151,7 @@ os_gentoo_setsrc(char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_gentoo);
 
-  source_info source = os_arch_sources[index];
+  SourceInfo source = os_arch_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_backup ("/etc/portage/repos.conf/gentoo.conf");
@@ -1179,7 +1179,7 @@ os_rocky_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_rocky);
 
-  source_info source = os_rocky_sources[index];
+  SourceInfo source = os_rocky_sources[index];
   chsrc_say_selection(&source);
 
   char* cmd = xy_strjoin(3,
@@ -1210,7 +1210,7 @@ os_alpine_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_alpine);
 
-  source_info source = os_alpine_sources[index];
+  SourceInfo source = os_alpine_sources[index];
   chsrc_say_selection(&source);
 
   char* cmd = xy_strjoin(3,
@@ -1241,7 +1241,7 @@ os_void_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_void);
 
-  source_info source = os_void_sources[index];
+  SourceInfo source = os_void_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_ensure_dir ("/etc/xbps.d");
@@ -1274,7 +1274,7 @@ os_solus_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_solus);
 
-  source_info source = os_solus_sources[index];
+  SourceInfo source = os_solus_sources[index];
   chsrc_say_selection(&source);
 
   char* cmd = xy_2strjoin ("sudo eopkg add-repo Solus ", source.url);
@@ -1315,7 +1315,7 @@ os_trisquel_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_trisquel);
 
-  source_info source = os_trisquel_sources[index];
+  SourceInfo source = os_trisquel_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_backup (ETC_APT_SOURCELIST);
@@ -1345,7 +1345,7 @@ os_linuxlite_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_linuxlite);
 
-  source_info source = os_linuxlite_sources[index];
+  SourceInfo source = os_linuxlite_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_backup (ETC_APT_SOURCELIST);
@@ -1368,7 +1368,7 @@ os_openeuler_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_openeuler);
 
-  source_info source = os_openeuler_sources[index];
+  SourceInfo source = os_openeuler_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_backup ("/etc/yum.repos.d/openEuler.repo");
@@ -1395,7 +1395,7 @@ os_openkylin_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_openkylin);
 
-  source_info source = os_openkylin_sources[index];
+  SourceInfo source = os_openkylin_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_backup (ETC_APT_SOURCELIST);
@@ -1423,7 +1423,7 @@ os_freebsd_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_freebsd);
 
-  source_info source = os_freebsd_sources[index];
+  SourceInfo source = os_freebsd_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_info("1. 添加 freebsd-pkg 源 (二进制安装包)");
@@ -1539,7 +1539,7 @@ os_netbsd_setsrc(char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_netbsd);
 
-  source_info source = os_netbsd_sources[index];
+  SourceInfo source = os_netbsd_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_backup ("/usr/pkg/etc/pkgin/repositories.conf");
@@ -1574,7 +1574,7 @@ os_openbsd_setsrc(char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_openbsd);
 
-  source_info source = os_openbsd_sources[index];
+  SourceInfo source = os_openbsd_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_backup ("/etc/installurl");
@@ -1594,7 +1594,7 @@ os_ros_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, os_ros);
 
-  source_info source = os_ros_sources[index];
+  SourceInfo source = os_ros_sources[index];
   chsrc_say_selection(&source);
 
   chsrc_backup ("/etc/apt/sources.list.d/ros-latest.list");
@@ -1656,7 +1656,7 @@ wr_tex_setsrc(char* option)
 
   int index = use_specific_mirror_or_auto_select (option, wr_tex);
 
-  source_info source = wr_tex_sources[index];
+  SourceInfo source = wr_tex_sources[index];
   chsrc_say_selection (&source);
 
   char* cmd = NULL;
@@ -1683,7 +1683,7 @@ wr_emacs_setsrc(char* option)
 {
   int index = use_specific_mirror_or_auto_select (option, wr_emacs);
 
-  source_info source = wr_emacs_sources[index];
+  SourceInfo source = wr_emacs_sources[index];
   chsrc_say_selection (&source);
 
   chsrc_warn("抱歉，Emacs换源涉及Elisp，您可手动查阅并换源:");
@@ -1716,7 +1716,7 @@ wr_brew_setsrc(char* option)
 {
   int index = use_specific_mirror_or_auto_select (option, wr_brew);
 
-  source_info source = wr_brew_sources[index];
+  SourceInfo source = wr_brew_sources[index];
   chsrc_say_selection (&source);
 
   char* api_domain      = xy_strjoin(3, "export HOMEBREW_API_DOMAIN=\"",      xy_2strjoin(source.url, "homebrew-bottles/api"), "\"");
@@ -1743,7 +1743,7 @@ wr_guix_setsrc (char* option)
 {
   int index = use_specific_mirror_or_auto_select (option, wr_guix);
 
-  source_info source = wr_guix_sources[index];
+  SourceInfo source = wr_guix_sources[index];
   chsrc_say_selection (&source);
 
   char* file =  xy_strjoin(3, "(list (channel\n"
@@ -1781,7 +1781,7 @@ wr_nix_setsrc (char* option)
 
   int index = use_specific_mirror_or_auto_select (option, wr_nix);
 
-  source_info source = wr_nix_sources[index];
+  SourceInfo source = wr_nix_sources[index];
   chsrc_say_selection (&source);
 
   char* cmd = xy_strjoin(3, "nix-channel --add ", source.url, "nixpkgs-unstable nixpkgs");
@@ -1813,7 +1813,7 @@ wr_flathub_setsrc(char* option)
 {
   int index = use_specific_mirror_or_auto_select (option, wr_flathub);
 
-  source_info source = wr_flathub_sources[index];
+  SourceInfo source = wr_flathub_sources[index];
   chsrc_say_selection (&source);
 
   xy_warn ("chsrc: 若出现问题，可先调用以下命令:");
@@ -1836,7 +1836,7 @@ wr_anaconda_setsrc(char* option)
 {
   int index = use_specific_mirror_or_auto_select (option, wr_anaconda);
 
-  source_info source = wr_anaconda_sources[index];
+  SourceInfo source = wr_anaconda_sources[index];
   chsrc_say_selection (&source);
 
   char* main  = xy_2strjoin(source.url, "pkgs/main");
@@ -1884,21 +1884,21 @@ wr_anaconda_setsrc(char* option)
 
 
 /************************************** Begin Target Matrix ****************************************/
-def_target_info(pl_ruby);
-def_target_info(pl_python);
-def_target_info(pl_nodejs);
-def_target_info(pl_perl);
-def_target_info(pl_php);
-def_target_info(pl_lua);
-def_target_info(pl_go);
-def_target_info(pl_rust);
-def_target_info(pl_java);
-def_target_info(pl_dart);
-def_target_info(pl_ocaml);
-def_target_info(pl_r);
-def_target_info(pl_julia);
+def_target(pl_ruby);
+def_target(pl_python);
+def_target(pl_nodejs);
+def_target(pl_perl);
+def_target(pl_php);
+def_target(pl_lua);
+def_target(pl_go);
+def_target(pl_rust);
+def_target(pl_java);
+def_target(pl_dart);
+def_target(pl_ocaml);
+def_target(pl_r);
+def_target(pl_julia);
 
-target_info
+TargetInfo
   pl_clojure_target = {pl_clojure_setsrc, NULL,  pl_clojure_sources, pl_clojure_sources_n},
   pl_dotnet_target  = {pl_dotnet_setsrc,  NULL,  pl_dotnet_sources,  pl_dotnet_sources_n},
   pl_haskell_target = {pl_haskell_setsrc, NULL,  pl_haskell_sources, pl_haskell_sources_n};
@@ -1931,22 +1931,14 @@ static const char
 };
 
 
-def_target_info(os_ubuntu);
-def_target_info(os_mint);
-def_target_info(os_debian);
-def_target_info(os_kali);
-def_target_info(os_alpine);
-def_target_info(os_void);
-def_target_info(os_trisquel);
-def_target_info(os_linuxlite);
-def_target_info(os_netbsd);
-def_target_info(os_openbsd);
-def_target_info(os_deepin);
-def_target_info(os_openkylin);
-def_target_info(os_raspberrypi);
+def_target(os_ubuntu); def_target(os_mint); def_target(os_debian);   def_target(os_kali);
+def_target(os_alpine); def_target(os_void); def_target(os_trisquel); def_target(os_linuxlite);
+def_target(os_netbsd); def_target(os_openbsd);
+def_target(os_deepin); def_target(os_openkylin);
+def_target(os_raspberrypi);
 
 
-target_info
+TargetInfo
   os_fedora_target      = {os_fedora_setsrc,      NULL, os_fedora_sources,    os_fedora_sources_n},
   os_opensuse_target    = {os_opensuse_setsrc,    NULL, os_opensuse_sources,  os_opensuse_sources_n},
   os_msys2_target       = {os_msys2_setsrc,       NULL, os_msys2_sources,     os_msys2_sources_n},
@@ -1997,10 +1989,10 @@ static const char
 };
 
 
-def_target_info(wr_brew);
-def_target_info(wr_tex);
+def_target(wr_brew);
+def_target(wr_tex);
 
-target_info
+TargetInfo
   wr_flathub_target  = {wr_flathub_setsrc,  NULL,  wr_flathub_sources,  wr_flathub_sources_n},
   wr_nix_target      = {wr_nix_setsrc,      NULL,  wr_nix_sources,      wr_nix_sources_n},
   wr_guix_target     = {wr_guix_setsrc,     NULL,  wr_guix_sources,     wr_guix_sources_n},
@@ -2062,7 +2054,7 @@ print_available_mirrors ()
   puts   ("-------------------------------------------------------------------------------------------------");
   for (int i=0; i<xy_arylen(available_mirrors); i++)
   {
-    mirror_info* mir = available_mirrors[i];
+    MirrorInfo* mir = available_mirrors[i];
     printf ("%-14s%-18s%-41s ", mir->code, mir->abbr, mir->site); puts(mir->name);
   }
 }
@@ -2124,12 +2116,12 @@ print_supported_wr ()
  * 用于 chsrc list <target>
  */
 void
-print_supported_sources_for_target (source_info sources[], size_t size)
+print_supported_sources_for_target (SourceInfo sources[], size_t size)
 {
   for (int i=0;i<size;i++)
   {
-    source_info src = sources[i];
-    const mirror_info* mir = src.mirror;
+    SourceInfo src = sources[i];
+    const MirrorInfo* mir = src.mirror;
     printf ("%-14s%-18s%-50s ",mir->code, mir->abbr, src.url);
     puts(mir->name);
   }
@@ -2223,7 +2215,7 @@ get_target (const char* input, TargetOp code, char* option)
     return false;
   }
 
-  target_info* target = (target_info*) *target_tmp;
+  TargetInfo* target = (TargetInfo*) *target_tmp;
 
   if (Target_Set_Source==code)
   {
diff --git a/chsrc.h b/chsrc.h
index 45e735f..4c2b1f3 100644
--- a/chsrc.h
+++ b/chsrc.h
@@ -58,7 +58,7 @@ does_the_program_exist (char* check_cmd, char* progname)
  */
 #define find_mirror(s, input) does_the_input_mirror_exist(s##_sources, s##_sources_n, (char*)#s+3, input)
 int
-does_the_input_mirror_exist (source_info* sources, size_t size, char* target, char* input)
+does_the_input_mirror_exist (SourceInfo* sources, size_t size, char* target, char* input)
 {
   if (0==size) {
     xy_error(xy_strjoin(3, "chsrc: 当前 ", target, " 无任何可用源，请联系维护者"));
@@ -75,7 +75,7 @@ does_the_input_mirror_exist (source_info* sources, size_t size, char* target, ch
   }
 
   int idx = 0;
-  source_info source = sources[0];
+  SourceInfo source = sources[0];
 
   bool exist = false;
   for (int i=0; i<size; i++)
@@ -193,7 +193,7 @@ dblary_maxidx_(double* array, int size)
  */
 #define auto_select(s) auto_select_(s##_sources, s##_sources_n, (char*)#s+3)
 int
-auto_select_ (source_info* sources, size_t size, const char* target)
+auto_select_ (SourceInfo* sources, size_t size, const char* target)
 {
   if (0==size) {
     xy_error(xy_strjoin(3, "chsrc: 当前 ", target, " 无任何可用源，请联系维护者"));
@@ -207,7 +207,7 @@ auto_select_ (source_info* sources, size_t size, const char* target)
   double speed = 0.0;
   for (int i=0;i<size;i++)
   {
-    source_info src = sources[i];
+    SourceInfo src = sources[i];
     const char* url = src.mirror->__bigfile_url;
     if (NULL==url) {
       chsrc_warn ( xy_strjoin(3, "开发者未提供 ",  src.mirror->code, " 镜像站测速链接，跳过该站点"));
@@ -239,14 +239,14 @@ auto_select_ (source_info* sources, size_t size, const char* target)
  * 用于 _setsrc 函数
  */
 void
-chsrc_say_selection (source_info* source)
+chsrc_say_selection (SourceInfo* source)
 {
   xy_info (xy_strjoin(5, "chsrc: 选中镜像站: ", source->mirror->abbr, " (", source->mirror->code, ")"));
 }
 
 
 void
-chsrc_say_thanks (source_info* source)
+chsrc_say_thanks (SourceInfo* source)
 {
   xy_success(xy_2strjoin("chsrc: 感谢镜像提供方: ", source->mirror->name));
 }
@@ -352,8 +352,8 @@ chsrc_backup (const char* path)
 typedef struct {
   void (*setfn)(char* option);
   void (*getfn)(char* option);
-  source_info* sources;
-  size_t       sources_n;
-} target_info;
+  SourceInfo* sources;
+  size_t      sources_n;
+} TargetInfo;
 
-#define def_target_info(t) target_info t##_target = {t##_setsrc, t##_getsrc, t##_sources, t##_sources_n}
+#define def_target(t) TargetInfo t##_target = {t##_setsrc, t##_getsrc, t##_sources, t##_sources_n}
diff --git a/sources.h b/sources.h
index 9fb99b1..b68c67c 100644
--- a/sources.h
+++ b/sources.h
@@ -16,7 +16,7 @@ typedef struct {
   const char* name;
   const char* site;
   const char* __bigfile_url;  // 用于对该镜像站测速
-} mirror_info;
+} MirrorInfo;
 
 // #define Big_File_ubuntu  "/indices/md5sums.gz"  这个是错的
 #define Big_File_ctan       "/systems/texlive/Images/texlive.iso"           // 4.8GB
@@ -30,7 +30,7 @@ typedef struct {
  *
  * 我们目前根据 https://github.com/mirrorz-org/oh-my-mirrorz 挑选速度前10位
  */
-mirror_info
+MirrorInfo
   MirrorZ       = {"mirrorz", "MirrorZ",       "MirrorZ 校园网镜像站",       "https://mirrors.cernet.edu.cn/",  NULL},
 
   Tuna          = {"tuna",    "TUNA",          "清华大学开源软件镜像站",     "https://mirrors.tuna.tsinghua.edu.cn/",
@@ -80,7 +80,7 @@ mirror_info
  *
  * @note 腾讯软件源中，有很多链接都已失效，请仔细检查
  */
-mirror_info
+MirrorInfo
   Ali      = {"ali",     "Ali OPSX", "阿里巴巴开源镜像站",  "https://developer.aliyun.com/mirror/",
               "https://mirrors.aliyun.com/deepin-cd" Big_File_deepin},
 
@@ -96,7 +96,7 @@ mirror_info
   Api7     = {"api7",    "api7.ai",  "深圳支流科技有限公司", "https://www.apiseven.com/", NULL};
 
 // 开源社区
-mirror_info
+MirrorInfo
   RubyChina = {"rubychina",    "RubyChina",    "Ruby China 社区",    "https://gems.ruby-china.com/",
                "https://gems.ruby-china.com/rubygems/gems/nokogiri-1.15.0-java.gem"}, // 9.9 MB
 
@@ -114,11 +114,11 @@ mirror_info
   EmacsChina = {"emacschina",  "EmacsChina",   "Emacs China 社区",    "https://elpamirror.emacs-china.org/", NULL};
 
 
-mirror_info
+MirrorInfo
   Upstream = {"upstream",   "Upstream",     "上游默认源",      NULL,     NULL};
 
 
-mirror_info*
+MirrorInfo*
 available_mirrors[] = {
   &MirrorZ, &Tuna, &Sjtug_Zhiyuan, &Zju, &Lzuoss, &Jlu, &Bfsu, &Pku, &Bjtu, &Sustech, &Ustc, &Nju, // &Cqu,
   &Ali,  &Tencent, &Netease, &Sohu, &Api7,
@@ -130,9 +130,9 @@ available_mirrors[] = {
 
 
 typedef struct {
-  const mirror_info* mirror;
+  const MirrorInfo* mirror;
   const char* url;
-} source_info;
+} SourceInfo;
 
 
 /**
@@ -159,7 +159,7 @@ typedef struct {
  * 4. rubychina 有时快有时慢，快时一般在 2MB以下，慢时一般在1MB以下
  * 5. 阿里云最不稳定，经常最慢
  */
-static source_info
+static SourceInfo
 pl_ruby_sources[] = {
   {&Tencent,   "https://mirrors.tencent.com/rubygems/"},
   {&RubyChina, "https://gems.ruby-china.com/"},
@@ -375,7 +375,7 @@ pl_julia_sources[] = {
  *
  * TODO: 1. 源并不完整，且未经测试是否有效
  */
-static source_info
+static SourceInfo
 os_ubuntu_sources[] = {
   {&Ali,       "https://mirrors.aliyun.com/ubuntu"},
   {&Bfsu,      "https://mirrors.bfsu.edu.cn/ubuntu"},
@@ -705,7 +705,7 @@ os_ros_sources[] = {
  *
  * TODO: 1. 暂未添加商业公司源
  */
-static source_info
+static SourceInfo
 wr_tex_sources[] = {
   {&Sjtug_Zhiyuan, "https://mirrors.sjtug.sjtu.edu.cn/ctan/systems/texlive/tlnet"},
   {&Tuna,          "https://mirrors.tuna.tsinghua.edu.cn/CTAN/systems/texlive/tlnet"},
@@ -795,30 +795,30 @@ wr_anaconda_sources[] = {
 
 
 
-#define def_target_sources_n(t) const size_t t##_sources_n = xy_arylen(t##_sources)
+#define def_sources_n(t) const size_t t##_sources_n = xy_arylen(t##_sources)
 
-def_target_sources_n(pl_ruby);     def_target_sources_n(pl_python);    def_target_sources_n(pl_nodejs);
-def_target_sources_n(pl_perl);     def_target_sources_n(pl_php);       def_target_sources_n(pl_lua);
-def_target_sources_n(pl_go);       def_target_sources_n(pl_rust);
-def_target_sources_n(pl_java);     def_target_sources_n(pl_clojure);
-def_target_sources_n(pl_dotnet);   def_target_sources_n(pl_dart);      def_target_sources_n(pl_haskell);
-def_target_sources_n(pl_ocaml);
-def_target_sources_n(pl_r);        def_target_sources_n(pl_julia);
+def_sources_n(pl_ruby);     def_sources_n(pl_python);    def_sources_n(pl_nodejs);
+def_sources_n(pl_perl);     def_sources_n(pl_php);       def_sources_n(pl_lua);
+def_sources_n(pl_go);       def_sources_n(pl_rust);
+def_sources_n(pl_java);     def_sources_n(pl_clojure);
+def_sources_n(pl_dotnet);   def_sources_n(pl_dart);      def_sources_n(pl_haskell);
+def_sources_n(pl_ocaml);
+def_sources_n(pl_r);        def_sources_n(pl_julia);
 
-def_target_sources_n(os_ubuntu);   def_target_sources_n(os_mint);
-def_target_sources_n(os_debian);   def_target_sources_n(os_fedora);
-def_target_sources_n(os_kali);     def_target_sources_n(os_opensuse);
-def_target_sources_n(os_arch);     def_target_sources_n(os_msys2);     def_target_sources_n(os_gentoo);
-def_target_sources_n(os_alpine);   def_target_sources_n(os_rocky);     def_target_sources_n(os_void);
-def_target_sources_n(os_solus);
+def_sources_n(os_ubuntu);   def_sources_n(os_mint);
+def_sources_n(os_debian);   def_sources_n(os_fedora);
+def_sources_n(os_kali);     def_sources_n(os_opensuse);
+def_sources_n(os_arch);     def_sources_n(os_msys2);     def_sources_n(os_gentoo);
+def_sources_n(os_alpine);   def_sources_n(os_rocky);     def_sources_n(os_void);
+def_sources_n(os_solus);
 
-def_target_sources_n(os_trisquel); def_target_sources_n(os_linuxlite); def_target_sources_n(os_raspberrypi);
+def_sources_n(os_trisquel); def_sources_n(os_linuxlite); def_sources_n(os_raspberrypi);
 
-def_target_sources_n(os_freebsd);  def_target_sources_n(os_netbsd);    def_target_sources_n(os_openbsd);
-def_target_sources_n(os_deepin);   def_target_sources_n(os_openeuler); def_target_sources_n(os_openkylin);
-def_target_sources_n(os_ros);
+def_sources_n(os_freebsd);  def_sources_n(os_netbsd);    def_sources_n(os_openbsd);
+def_sources_n(os_deepin);   def_sources_n(os_openeuler); def_sources_n(os_openkylin);
+def_sources_n(os_ros);
 
-def_target_sources_n(wr_brew);     def_target_sources_n(wr_flathub);
-def_target_sources_n(wr_nix);      def_target_sources_n(wr_guix);
-def_target_sources_n(wr_tex);      def_target_sources_n(wr_emacs);
-def_target_sources_n(wr_anaconda);
+def_sources_n(wr_brew);     def_sources_n(wr_flathub);
+def_sources_n(wr_nix);      def_sources_n(wr_guix);
+def_sources_n(wr_tex);      def_sources_n(wr_emacs);
+def_sources_n(wr_anaconda);