diff --git a/APP_Framework/Applications/app_test/test_rtc.c b/APP_Framework/Applications/app_test/test_rtc.c
index 18cd9b121..49cbe5bd9 100644
--- a/APP_Framework/Applications/app_test/test_rtc.c
+++ b/APP_Framework/Applications/app_test/test_rtc.c
@@ -11,7 +11,6 @@ void TestRTC(int argc,char *argv[])
     }
     
     if(argc>1){
-        
         int times = atoi(argv[1]);
         printf("Time will be printf %d times\n",times);
 
diff --git a/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/include/connect_rtc.h b/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/include/connect_rtc.h
index 16ba33d31..54d684929 100644
--- a/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/include/connect_rtc.h
+++ b/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/include/connect_rtc.h
@@ -12,7 +12,7 @@
  
 /**
 * @file connect_rtc.h
-* @brief define hc32f4a0-board i2c function and struct
+* @brief define hc32f4a0-board rtc function and struct
 * @version 3.0
 * @author AIIT XUOS Lab
 * @date 2023-02-02
diff --git a/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/rtc/connect_rtc.c b/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/rtc/connect_rtc.c
index 9a627d1a0..d47668697 100644
--- a/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/rtc/connect_rtc.c
+++ b/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/rtc/connect_rtc.c
@@ -12,7 +12,7 @@
 
 /**
 * @file connect_rtc.c
-* @brief support aiit-riscv64-board rtc function and register to bus framework
+* @brief support aiit-hc32f4a0-board rtc function and register to bus framework
 * @version 1.0 
 * @author AIIT XUOS Lab
 * @date 2023-02-02
@@ -23,14 +23,6 @@
 #include <stdlib.h>
 #include <time.h>
 
-// static int GetWeekDay(int year, int month, int day)
-// {
-//     /* Magic method to get weekday */
-//     int weekday  = (day += month < 3 ? year-- : year - 2, 
-//         23 * month / 9 + day + 4 + year / 4 - year / 100 + year / 400) % 7;
-//     return weekday;
-// }
-
 static uint32 RtcConfigure(void *drv, struct BusConfigureInfo *configure_info)
 {
     NULL_PARAM_CHECK(drv);
diff --git a/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/watchdog/connect_wdt.c b/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/watchdog/connect_wdt.c
index 1ffb86ec6..0ce649aaf 100644
--- a/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/watchdog/connect_wdt.c
+++ b/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/watchdog/connect_wdt.c
@@ -25,15 +25,13 @@
 static uint32 WdtOpen(void *dev)
 {
     NULL_PARAM_CHECK(dev);
-    
-    struct WdtHardwareDevice *wdt = (struct WdtHardwareDevice *)dev;
 
     stc_wdt_init_t stcWdtInit;
-    stcWdtInit.u32CountPeriod    = WDT_CNT_PERIOD65536;
+    stcWdtInit.u32CountPeriod = WDT_CNT_PERIOD65536;
     stcWdtInit.u32ClockDiv = WDT_CLK_DIV1024;
-    stcWdtInit.u32RefreshRange  = WDT_RANGE_0TO25PCT;
+    stcWdtInit.u32RefreshRange = WDT_RANGE_0TO25PCT;
     stcWdtInit.u32LPMCount = WDT_LPM_CNT_STOP;
-    stcWdtInit.u32ExceptionType      = WDT_EXP_TYPE_RST;
+    stcWdtInit.u32ExceptionType = WDT_EXP_TYPE_RST;
     (void)WDT_Init(&stcWdtInit);
     return EOK;
 }
@@ -43,7 +41,6 @@ static uint32 WdtConfigure(void *drv, struct BusConfigureInfo *args)
     NULL_PARAM_CHECK(drv);
     NULL_PARAM_CHECK(args);
 
-    struct WdtDriver *wdt = (struct WdtDriver *)drv;
     stc_wdt_init_t stcWdtInit;
     switch (args->configure_cmd)
     {