diff --git a/Demo_C/Demo/LED/LED.c b/Demo_C/Demo/LED/LED.c
index dc4afde..7f3222e 100644
--- a/Demo_C/Demo/LED/LED.c
+++ b/Demo_C/Demo/LED/LED.c
@@ -1,4 +1,5 @@
 #include "ROBO_TX_PRG.h"
+#include "ROBO_TX_FW.h"
 
 #define LIGHT_MAX        DUTY_MAX
 #define LIGHT_OFF       0
@@ -45,6 +46,9 @@ int PrgTic
         if(cur_time-prev_time>=wait)
         {
             prev_time = cur_time;
+            p_ta->output.duty[lamp_idx-1] = LIGHT_OFF;
+            p_ta->output.duty[lamp_idx] = LIGHT_MAX;
+            DisplayMsg(p_ta, "Test")
             if(++lamp_idx>END_LAMP_IDX)
             {
                 lamp_idx = 0;
@@ -52,8 +56,7 @@ int PrgTic
                 // p_ta->output.duty[lamp_idx] = LIGHT_MAX;
                 return rc;
             }
-            p_ta->output.duty[lamp_idx-1] = LIGHT_OFF;
-            p_ta->output.duty[lamp_idx] = LIGHT_MAX;
         } 
+        return rc;
     }
 }
\ No newline at end of file