diff --git a/Ubiquitous/XiZi_AIoT/hardkernel/clock/arm/armv7-a/cortex-a9/zynq7000-zc702/clock.c b/Ubiquitous/XiZi_AIoT/hardkernel/clock/arm/armv7-a/cortex-a9/zynq7000-zc702/clock.c
index 1f1dea12f..9f2665c12 100644
--- a/Ubiquitous/XiZi_AIoT/hardkernel/clock/arm/armv7-a/cortex-a9/zynq7000-zc702/clock.c
+++ b/Ubiquitous/XiZi_AIoT/hardkernel/clock/arm/armv7-a/cortex-a9/zynq7000-zc702/clock.c
@@ -35,7 +35,7 @@ Modification:
 #include "log.h"
 
 XScuTimer global_timer;
-#define TIMER_LOAD_VALUE 0x32CFD0 // 10ms
+#define TIMER_LOAD_VALUE 0xFFFF 
 
 static void _sys_clock_init()
 {