diff --git a/Src/PwmFlagchip.c b/Src/PwmFlagchip.c
index bb13447..5dc957b 100644
--- a/Src/PwmFlagchip.c
+++ b/Src/PwmFlagchip.c
@@ -46,8 +46,6 @@ void PWM_Initial(
     TPU_PwmModeInit(TPU_PWM_CHANNEL, &env->etpu_pwmconfig_tbl);
     TPU_InitChannelInterrupt(TPU_PWM_CHANNEL, &env->etpu_Int_config_tbl);
 
-    //NVIC_SetPriorityGrouping(NVIC_PRIORITY_GROUP_4);
-
     if (TPU_PWM_CHANNEL <= 7) {
         NVIC_EnableIRQ(TPU0_CH0_7_IRQn);
         NVIC_SetPriority(TPU0_CH0_7_IRQn, TPU0_CH_PRIORITY);