diff --git a/Demo_C/Demo/LED/LED.c b/Demo_C/Demo/LED/LED.c
index e3314a6..89ea8f8 100644
--- a/Demo_C/Demo/LED/LED.c
+++ b/Demo_C/Demo/LED/LED.c
@@ -61,25 +61,23 @@ int simple_rgb_test
                 case GREEN:
                     p_ta->hook_table.DisplayMsg(p_ta, "GREEN");
                     p_ta->output.duty[BLUE] = LIGHT_OFF;
-                    p_ta->output.duty[pin] = LIGHT_MAX;
                     pin = RED;
                     break;
                 case RED:
                     p_ta->hook_table.DisplayMsg(p_ta, "RED");
                     p_ta->output.duty[GREEN] = LIGHT_OFF;
-                    p_ta->output.duty[pin] = LIGHT_MAX;
                     pin = BLUE;
                     break;
                 case BLUE:
                     p_ta->hook_table.DisplayMsg(p_ta, "BLUE");
                     p_ta->output.duty[RED] = LIGHT_OFF;
-                    p_ta->output.duty[pin] = LIGHT_MAX;
                     pin = GREEN;
                     break;
                 default:
                     p_ta->hook_table.DisplayMsg(p_ta, NULL);
                     pin = GREEN;
             }
+            p_ta->output.duty[pin] = LIGHT_MAX;
         }
     return RC;
 }
\ No newline at end of file