diff --git a/components/finsh/cmd.c b/components/finsh/cmd.c
index a9a673101e..eba5a0c1d9 100644
--- a/components/finsh/cmd.c
+++ b/components/finsh/cmd.c
@@ -832,6 +832,7 @@ static char *const device_type_str[RT_Device_Class_Unknown] =
     "DAC Device",
     "WDT Device",
     "PWM Device",
+    "Bus Device",
 };
 
 long list_device(void)