diff --git a/cores/arduino/libcore/exti.c b/cores/arduino/libcore/exti.c
index b8fc58f..5f7e649 100644
--- a/cores/arduino/libcore/exti.c
+++ b/cores/arduino/libcore/exti.c
@@ -160,7 +160,7 @@ do{\
   * @param  无
   * @retval 无
   */
-void EXTI0_IRQHandler(void)
+void EXINT0_IRQHandler(void)
 {
     EXTIx_IRQHANDLER(0);
 }
@@ -170,7 +170,7 @@ void EXTI0_IRQHandler(void)
   * @param  无
   * @retval 无
   */
-void EXTI1_IRQHandler(void)
+void EXINT1_IRQHandler(void)
 {
     EXTIx_IRQHANDLER(1);
 }
@@ -180,7 +180,7 @@ void EXTI1_IRQHandler(void)
   * @param  无
   * @retval 无
   */
-void EXTI2_IRQHandler(void)
+void EXINT2_IRQHandler(void)
 {
     EXTIx_IRQHANDLER(2);
 }
@@ -190,7 +190,7 @@ void EXTI2_IRQHandler(void)
   * @param  无
   * @retval 无
   */
-void EXTI3_IRQHandler(void)
+void EXINT3_IRQHandler(void)
 {
     EXTIx_IRQHANDLER(3);
 }
@@ -200,7 +200,7 @@ void EXTI3_IRQHandler(void)
   * @param  无
   * @retval 无
   */
-void EXTI4_IRQHandler(void)
+void EXINT4_IRQHandler(void)
 {
     EXTIx_IRQHANDLER(4);
 }
@@ -210,7 +210,7 @@ void EXTI4_IRQHandler(void)
   * @param  无
   * @retval 无
   */
-void EXTI9_5_IRQHandler(void)
+void EXINT9_5_IRQHandler(void)
 {
     EXTIx_IRQHANDLER(5);
     EXTIx_IRQHANDLER(6);
@@ -224,7 +224,7 @@ void EXTI9_5_IRQHandler(void)
   * @param  无
   * @retval 无
   */
-void EXTI15_10_IRQHandler(void)
+void EXINT15_10_IRQHandler(void)
 {
     EXTIx_IRQHANDLER(10);
     EXTIx_IRQHANDLER(11);
diff --git a/cores/arduino/libcore/timer.c b/cores/arduino/libcore/timer.c
index 05949be..3cbe24c 100644
--- a/cores/arduino/libcore/timer.c
+++ b/cores/arduino/libcore/timer.c
@@ -512,7 +512,7 @@ do{\
   * @param  无
   * @retval 无
   */
-void TMR1_OV_TMR10_IRQHandler(void)
+void TMR1_OVF_TMR10_IRQHandler(void)
 {
     TMRx_IRQHANDLER(1);
     TMRx_IRQHANDLER(10);
@@ -587,7 +587,7 @@ void TMR7_GLOBAL_IRQHandler(void)
   * @param  无
   * @retval 无
   */
-void TMR8_OV_TMR13_IRQHandler(void)
+void TMR8_OVF_TMR13_IRQHandler(void)
 {
     TMRx_IRQHANDLER(8);
 #ifdef TMR13
@@ -600,7 +600,7 @@ void TMR8_OV_TMR13_IRQHandler(void)
   * @param  无
   * @retval 无
   */
-void TMR15_OV_IRQHandler(void)
+void TMR15_OVF_IRQHandler(void)
 {
 #ifdef TMR15
     TMRx_IRQHANDLER(15);
diff --git a/package_at32_index.json b/package_at32_index.json
index 8899dcc..8d902b6 100644
--- a/package_at32_index.json
+++ b/package_at32_index.json
@@ -12,7 +12,7 @@
         {
           "name": "AT32F403ACGU7 Core Board",
           "architecture": "at32f403a",
-          "version": "0.0.4",
+          "version": "0.0.5",
           "category": "Contributed",
           "url": "https://github.com/WeActStudio/ArduinoCore-AT32F4/archive/refs/heads/main.zip",
           "archiveFileName": "ArduinoCore-AT32F4-main.zip",
diff --git a/platform.txt b/platform.txt
index d7db39f..69920cd 100644
--- a/platform.txt
+++ b/platform.txt
@@ -1,6 +1,6 @@
 ##==============================================##
 name=WeActStudio AT32F403A Boards
-version=0.0.4
+version=0.0.5
 ##==============================================##
 
 ####AT32 compile variables