diff --git a/config.h b/config.h
index f86e1b9..9c9d940 100644
--- a/config.h
+++ b/config.h
@@ -36,7 +36,8 @@ static const char *colors[][3]      = {
 };
 
 /* tagging */
-static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
+//static const char *tags[] = { "1", "2", "3", "4", "5", "6", "7", "8", "9" };
+static const char *tags[] = { "一", "二", "三", "四", "五", "六", "七", "八", "九" };
 
 static const Rule rules[] = {
 	/* xprop(1):
@@ -80,6 +81,7 @@ static const char *lockcmd[]  = { "slock", NULL };
 static const char *prtscrcmd[]  = { "flameshot", "gui", NULL};
 static const char *vol_up[]  = { "volume_up.sh", NULL};
 static const char *vol_down[]  = { "volume_down.sh", NULL};
+static const char *calccmd[] = { "speedcrunch", NULL};
 
 static Key keys[] = {
 	/* modifier                     key        function        argument */
@@ -95,6 +97,7 @@ static Key keys[] = {
 	{ MODKEY,                       XK_Return, zoom,           {0} },
 	{ MODKEY,                       XK_Tab,    view,           {0} },
 	{ MODKEY|ShiftMask,             XK_c,      killclient,     {0} },
+	{ MODKEY,                       XK_c,      spawn,          {.v = calccmd } },
 	{ MODKEY,                       XK_t,      setlayout,      {.v = &layouts[0]} },
 	{ MODKEY,                       XK_f,      setlayout,      {.v = &layouts[1]} },
 	{ MODKEY,                       XK_m,      setlayout,      {.v = &layouts[2]} },