diff --git a/vd960Loop/utilities/at32f421_freertos_demo/src/TaskLoop.c b/vd960Loop/utilities/at32f421_freertos_demo/src/TaskLoop.c
index a26001b..d1fb294 100644
--- a/vd960Loop/utilities/at32f421_freertos_demo/src/TaskLoop.c
+++ b/vd960Loop/utilities/at32f421_freertos_demo/src/TaskLoop.c
@@ -19,7 +19,7 @@ const uint16_t SensTable_1[4] = {108,  72,  18,   9};
 /*===========================================================================
  * 全局状态
  *===========================================================================*/
-Loop154_States g_loop_states = {{0}, {{{0}}}};
+Loop154_States g_loop_states = {0};
 uint32_t g_sys_freq   = 0;
 uint8_t  g_input_div   = 1;
 uint32_t g_safe_max_cnt = LC_HOLD_TIME;
@@ -245,7 +245,6 @@ void TMR3_GLOBAL_IRQHandler(void)
  *===========================================================================*/
 void TMR15_GLOBAL_IRQHandler(void)
 {
-    static uint16_t _counter1_init = 0;
     static uint8_t  TM1cnt = 0;
     uint8_t i;
 
@@ -401,7 +400,7 @@ void poll_green_led(Loop154_Unit *unit)
     uint8_t idx = unit->loop_num;
 
     if (unit->disconnect_active) {
-        at32_led_off(idx);
+        at32_led_off((led_type)idx);
         _slow_tick[idx] = 0;
         return;
     }
@@ -410,16 +409,16 @@ void poll_green_led(Loop154_Unit *unit)
         _slow_tick[idx]++;
         if (_slow_tick[idx] >= GREEN_SLOW_HALF) {
             _slow_tick[idx] = 0;
-            at32_led_toggle(idx);
+            at32_led_toggle((led_type)idx);
         }
         return;
     }
 
     _slow_tick[idx] = 0;
     if (unit->loop_VD_FLAG)
-        at32_led_on(idx);
+        at32_led_on((led_type)idx);
     else
-        at32_led_off(idx);
+        at32_led_off((led_type)idx);
 }
 
 /*===========================================================================
@@ -527,7 +526,7 @@ void vd1_task_per_channel(Loop154_Unit *unit)
                 if (unit->hold_time > 0) {
                     unit->loop_VD_HOLD = 1;
                 }
-                at32_led_on(unit->loop_num);
+                at32_led_on((led_type)unit->loop_num);
 
                 if (!unit->SET_SAFE) {
                     unit->LC_HOLD = 1;
@@ -715,7 +714,7 @@ void led_indicator_task_function(void *pvParameters)
 
             if (unit->loop_LOOP_OK0 == 0) {
                 if (led_step[i] % 2 == 0) {
-                    at32_led_toggle(i);
+                    at32_led_toggle((led_type)i);
                 }
                 if (unit->loop_stable) {
                     unit->loop_LOOP_OK0 = 1;
@@ -725,7 +724,7 @@ void led_indicator_task_function(void *pvParameters)
                 if (led_step[i] > 16) {
                     led_step[i] = 0;
                     unit->loop_LOOP_OK0 = 1;
-                    at32_led_off(i);
+                    at32_led_off((led_type)i);
                 }
             }
         }