diff --git a/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/adc/connect_adc.c b/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/adc/connect_adc.c
index 3582181ee..620b21d8f 100644
--- a/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/adc/connect_adc.c
+++ b/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/adc/connect_adc.c
@@ -15,7 +15,7 @@
 * @brief support to register ADC pointer and function
 * @version 1.1
 * @author AIIT XUOS Lab
-* @date 2023-2-6
+* @date 2023-02-09
 */
 
 #include <connect_adc.h>
diff --git a/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/dac/connect_dac.c b/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/dac/connect_dac.c
index 37831f654..c44a26a3a 100644
--- a/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/dac/connect_dac.c
+++ b/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/dac/connect_dac.c
@@ -15,7 +15,7 @@
 * @brief support to register DAC pointer and function
 * @version 2.0
 * @author AIIT XUOS Lab
-* @date 2023-2-09
+* @date 2023-02-09
 */
 
 #include <connect_dac.h>
diff --git a/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/include/connect_dac.h b/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/include/connect_dac.h
index 4508ed49e..201dec23f 100644
--- a/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/include/connect_dac.h
+++ b/Ubiquitous/XiZi_IIoT/board/hc32f4a0/third_party_driver/include/connect_dac.h
@@ -15,7 +15,7 @@
 * @brief define hc32f4a0-board usart function and struct
 * @version 2.0
 * @author AIIT XUOS Lab
-* @date 
+* @date 2023-02-09
 */
 
 #include <device.h>