diff --git a/Demo_C/Demo/LED/LED.c b/Demo_C/Demo/LED/LED.c
index bab6020..80b1f21 100644
--- a/Demo_C/Demo/LED/LED.c
+++ b/Demo_C/Demo/LED/LED.c
@@ -6,7 +6,7 @@
 #define LIGHT_MAX       DUTY_MAX
 #define LIGHT_MIN       DUTY_MIN
 #define LIGHT_OFF		0
-#define wait			10
+#define wait			1000
 
 #define RC              0x7FFF // return code: 0x7FFF - program should be further called by the firmware;
 #define sRC             0
@@ -59,16 +59,16 @@ int PrgTic
 	TA * p_ta = &p_ta_array[TA_LOCAL];
     // Get the current value of the system time
     cur_time = p_ta->hook_table.GetSystemTime(TIMER_UNIT_MILLISECONDS);
-    // if(cur_time-prev_time>=wait)
-	// {
-	// 	simple_rgb_test(p_ta_array);
-	// }
     if(cur_time-prev_time>=wait)
 	{
-		prev_time = cur_time;
-		spectrum();
-		update_lights(p_ta_array);
+		simple_rgb_test(p_ta_array);
 	}
+    // if(cur_time-prev_time>=wait)
+	// {
+	// 	prev_time = cur_time;
+	// 	spectrum();
+	// 	update_lights(p_ta_array);
+	// }
 	return RC;
 }