diff --git a/Demo_C/Demo/LED/LED.c b/Demo_C/Demo/LED/LED.c
index 861b9f3..3a14472 100644
--- a/Demo_C/Demo/LED/LED.c
+++ b/Demo_C/Demo/LED/LED.c
@@ -66,9 +66,9 @@ int PrgTic
 	// }
     if(cur_time-prev_time>=wait*0.1)
 	{
-		spectrum(int *p_ta_array);
+		spectrum(*p_ta_array);
 	}
-	update_lights(int *p_ta_array);
+	update_lights(*p_ta_array);
 	return RC;
 }