diff --git a/Ubiquitous/XiZi_IIoT/arch/arm/cortex-m4/hc32f4a0/interrupt_vector.S b/Ubiquitous/XiZi_IIoT/arch/arm/cortex-m4/hc32f4a0/interrupt_vector.S
index 91e70665f..e38143b1d 100644
--- a/Ubiquitous/XiZi_IIoT/arch/arm/cortex-m4/hc32f4a0/interrupt_vector.S
+++ b/Ubiquitous/XiZi_IIoT/arch/arm/cortex-m4/hc32f4a0/interrupt_vector.S
@@ -91,7 +91,7 @@ InterruptVectors:
                 .long       IsrEntry
                 .long       IsrEntry
                 .long       IsrEntry
-                .long       IsrEntry
+                .long       IRQ030_Handler
                 .long       IsrEntry
                 .long       IsrEntry
                 .long       IsrEntry