diff --git a/TC1/main.h b/TC1/main.h
index b315ca7..81b6c48 100644
--- a/TC1/main.h
+++ b/TC1/main.h
@@ -4,7 +4,7 @@
 #include "mico.h"
 #include "MiCOKit_EXT.h"
 
-#define VERSION "v0.7"
+#define VERSION "v0.8"
 
 #define TYPE 1
 #define TYPE_NAME "zTC1"
@@ -26,10 +26,10 @@
 #define Relay_OFF     0
 
 #define Relay_0     MICO_GPIO_6
-#define Relay_1     MICO_GPIO_7
-#define Relay_2     MICO_GPIO_8
-#define Relay_3     MICO_GPIO_9
-#define Relay_4     MICO_GPIO_10
+#define Relay_1     MICO_GPIO_8
+#define Relay_2     MICO_GPIO_10
+#define Relay_3     MICO_GPIO_7
+#define Relay_4     MICO_GPIO_9
 #define Relay_5     MICO_GPIO_18
 #define Relay_NUM   PLUG_NUM
 
diff --git a/TC1/user_power.c b/TC1/user_power.c
index 3f34a07..b0158f3 100644
--- a/TC1/user_power.c
+++ b/TC1/user_power.c
@@ -9,34 +9,60 @@
 
 mico_timer_t power_timer;
 
-static uint32_t timer_count_last = 0;
+static uint32_t clock_count_last = 0;
+static uint32_t clock_count = 0;
 static uint32_t timer_count = 0;
-static uint32_t timer = 0;
+static uint32_t timer_irq_count = 0;
 
 static void power_timer_handler( void* arg )
 {
 
 //    uint8_t pin_input = MicoGpioInputGet( POWER );
-    if ( timer_count_last != timer_count )
-    {
-//        os_log("power_irq_handler:%u-%u=%u",timer_count,timer_count_last,timer);
-        timer_count_last = timer_count;
+    uint32_t timer = 0;
 
-        timer=timer/1000;
-        power=9500000/timer;
-        os_log("power_irq_handler:%u,%07u",power,timer);
+    if ( timer_irq_count > 1 )
+    {
+        timer = (clock_count - clock_count_last);
+
+    os_log("power_irq_handler:%09u %u %u",timer,timer_irq_count,timer_count);
+        if ( timer_count > 3 )
+        {
+            timer /= 1000;
+            timer += 4294967; //0xffffffff/1000;
+        } else if ( clock_count < clock_count_last )
+        {
+            timer += 0xffffffff;
+            timer /= 1000;
+        }else timer/=1000;
+        power = 17100000 * (timer_irq_count - 1) / timer;
+        timer_count = 0;
+        timer_irq_count = 0;
+    } else
+    {
+        timer_count++;
     }
-//    if(timer_count==0)  os_log("power_timer_handler Hight:%d",timer_count_last);
+
+//    if ( clock_count_last != timer_count )
+//    {
+////        os_log("power_irq_handler:%u-%u=%u",timer_count,clock_count_last,timer);
+//        timer = (timer_count - clock_count_last);
+//        if ( timer_count < clock_count_last ) timer += 0xffffffff;
+//
+//        timer = timer / 1000;
+//        power = 15200000 / timer;
+//        os_log("power_irq_handler:%u,%07u",power,timer);
+//        clock_count_last = timer_count;
+//    }
+//    if(timer_count==0)  os_log("power_timer_handler Hight:%d",clock_count_last);
 //    timer_count++;
-//    timer_count_last=timer_count;
+//    clock_count_last=timer_count;
 }
 
 static void power_irq_handler( void* arg )
 {
-//    timer_count_last=timer_count;
-    timer_count = mico_nanosecond_clock_value();
-    timer=timer_count-timer_count_last;
-    if(timer_count<timer_count_last) timer+=0xffffffff;
+    clock_count = mico_nanosecond_clock_value( );
+    if ( timer_irq_count == 0 ) clock_count_last = clock_count;
+    timer_irq_count++;
 }
 
 void user_power_init( void )
@@ -44,7 +70,7 @@ void user_power_init( void )
     os_log("user_power_init");
 
     MicoGpioInitialize( POWER, INPUT_PULL_UP );
-    mico_rtos_init_timer( &power_timer, 20, power_timer_handler, NULL );
+    mico_rtos_init_timer( &power_timer, 1000, power_timer_handler, NULL );
     mico_rtos_start_timer( &power_timer );
 
     MicoGpioEnableIRQ( POWER, IRQ_TRIGGER_FALLING_EDGE, power_irq_handler, NULL );
diff --git a/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.all.bin b/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.all.bin
index 1cd3c73..458d4fe 100644
Binary files a/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.all.bin and b/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.all.bin differ
diff --git a/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.ota.bin b/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.ota.bin
index 5edf256..e012522 100644
Binary files a/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.ota.bin and b/build/TC1@MK3031@moc/binary/TC1@MK3031@moc.ota.bin differ