diff --git a/bsp/swm320-lq100/drivers/drv_iwg.c b/bsp/swm320-lq100/drivers/drv_iwg.c
index c8cd408a081b94203fabf22f32aff968273eebc2..55af4286414bba02c3a88906d87cdde2a37a8681 100644
--- a/bsp/swm320-lq100/drivers/drv_iwg.c
+++ b/bsp/swm320-lq100/drivers/drv_iwg.c
@@ -63,7 +63,7 @@ int rt_hw_wdt_init(void)
     swm320_wdt.ops = &swm320_wdt_ops;
 
     result = rt_hw_watchdog_register(&swm320_wdt,
-                                     "iwg",
+                                     "wdt",
                                      RT_DEVICE_FLAG_RDWR,
                                      WDT);