diff --git a/components/zh_ac_dimmer b/components/zh_ac_dimmer
index d395814..77ba8e5 160000
--- a/components/zh_ac_dimmer
+++ b/components/zh_ac_dimmer
@@ -1 +1 @@
-Subproject commit d395814812536bf4dd4c1eeb260de4562bdd2fdb
+Subproject commit 77ba8e58b99440ca1e80be7c1dccb716f8b60685
diff --git a/components/zh_encoder b/components/zh_encoder
index e133e5a..d5c9415 160000
--- a/components/zh_encoder
+++ b/components/zh_encoder
@@ -1 +1 @@
-Subproject commit e133e5a8076dfc47c2796eaf52ff810b93fda34a
+Subproject commit d5c94158c2acdf7fe1ab279ca48c79901c7cff57
diff --git a/components/zh_pcf8574 b/components/zh_pcf8574
index 379fae9..1a8f471 160000
--- a/components/zh_pcf8574
+++ b/components/zh_pcf8574
@@ -1 +1 @@
-Subproject commit 379fae940b1ded3ac0a655e4ba48d997e7b1b09f
+Subproject commit 1a8f4711e8a1e2005860d8ffaee13bb37af73e58
diff --git a/main/ate0003.c b/main/ate0003.c
index 3603d50..c035915 100644
--- a/main/ate0003.c
+++ b/main/ate0003.c
@@ -47,18 +47,10 @@ void app_main(void)
     _zh_system_load();
     _zh_encoder_init();
     _zh_ac_dimmer_init();
-    // gpio_set_level(GPIO_NUM_4, 1);
-    // zh_pcf8574_write_gpio(&_led_1_handle, DMM_LED_RED, LED_ON);
-    // zh_pcf8574_write_gpio(&_led_1_handle, FIX_LED_BLUE, LED_ON);
+    zh_pcf8574_write_gpio(&_led_1_handle, DMM_LED_RED, LED_ON);
+    zh_pcf8574_write_gpio(&_led_1_handle, FIX_LED_BLUE, LED_ON);
     zh_pcf8574_write_gpio(&_relay_handle, DMM_RELAY, RELAY_ON);
-    zh_pcf8574_write_gpio(&_relay_handle, GROUND_RELAY, RELAY_ON);
-    zh_pcf8574_write_gpio(&_relay_handle, L1_RELAY, RELAY_ON);
-    zh_pcf8574_write_gpio(&_relay_handle, L2_RELAY, RELAY_ON);
-    zh_pcf8574_write_gpio(&_relay_handle, L3_RELAY, RELAY_ON);
-    zh_pcf8574_write_gpio(&_relay_handle, L4_RELAY, RELAY_ON);
-    vTaskDelay(20);
-    zh_ac_dimmer_start();
-    // _zh_component_select(0);
+    _zh_component_select(0);
 }
 
 static void _zh_wifi_softap_init(void)
@@ -95,7 +87,7 @@ static void _zh_encoder_init(void)
     config.b_gpio_number = GPIO_NUM_26;
     config.encoder_min_value = 0;
     config.encoder_max_value = 100;
-    config.encoder_step = 5;
+    config.encoder_step = 1;
     config.encoder_number = POWER_ENCODER;
     zh_encoder_init(&config, &_power_encoder_handle);
     zh_encoder_set(&_power_encoder_handle, 100);
@@ -115,6 +107,7 @@ static void _zh_ac_dimmer_init(void)
     config.zero_cross_gpio = GPIO_NUM_16;
     config.triac_gpio = GPIO_NUM_4;
     zh_ac_dimmer_init(&config);
+    zh_ac_dimmer_set(100);
 }
 
 static void _zh_pcf8574_init(void)
@@ -226,7 +219,7 @@ static void _zh_pcf8574_event_handler(void *arg, esp_event_base_t event_base, in
             }
             zh_pcf8574_write_gpio(&_led_1_handle, NUM_1_LED_BLUE, LED_OFF);
             zh_pcf8574_write_gpio(&_led_1_handle, NUM_1_LED_GREEN, LED_ON);
-            _zh_relay_on(L1_RELAY);
+            _zh_relay_on(L_1_RELAY);
         }
         else
         {
@@ -237,7 +230,7 @@ static void _zh_pcf8574_event_handler(void *arg, esp_event_base_t event_base, in
             }
             zh_pcf8574_write_gpio(&_led_1_handle, NUM_1_LED_BLUE, LED_ON);
             zh_pcf8574_write_gpio(&_led_1_handle, NUM_1_LED_GREEN, LED_OFF);
-            _zh_relay_off(L1_RELAY);
+            _zh_relay_off(L_1_RELAY);
             _is_num_1_fixed = false;
         }
         break;
@@ -254,7 +247,7 @@ static void _zh_pcf8574_event_handler(void *arg, esp_event_base_t event_base, in
             }
             zh_pcf8574_write_gpio(&_led_1_handle, NUM_2_LED_BLUE, LED_OFF);
             zh_pcf8574_write_gpio(&_led_1_handle, NUM_2_LED_GREEN, LED_ON);
-            _zh_relay_on(L2_RELAY);
+            _zh_relay_on(L_2_RELAY);
         }
         else
         {
@@ -265,7 +258,7 @@ static void _zh_pcf8574_event_handler(void *arg, esp_event_base_t event_base, in
             }
             zh_pcf8574_write_gpio(&_led_1_handle, NUM_2_LED_BLUE, LED_ON);
             zh_pcf8574_write_gpio(&_led_1_handle, NUM_2_LED_GREEN, LED_OFF);
-            _zh_relay_off(L2_RELAY);
+            _zh_relay_off(L_2_RELAY);
             _is_num_2_fixed = false;
         }
         break;
@@ -282,7 +275,7 @@ static void _zh_pcf8574_event_handler(void *arg, esp_event_base_t event_base, in
             }
             zh_pcf8574_write_gpio(&_led_2_handle, NUM_3_LED_BLUE, LED_OFF);
             zh_pcf8574_write_gpio(&_led_2_handle, NUM_3_LED_GREEN, LED_ON);
-            _zh_relay_on(L3_RELAY);
+            _zh_relay_on(L_3_RELAY);
         }
         else
         {
@@ -293,7 +286,7 @@ static void _zh_pcf8574_event_handler(void *arg, esp_event_base_t event_base, in
             }
             zh_pcf8574_write_gpio(&_led_2_handle, NUM_3_LED_BLUE, LED_ON);
             zh_pcf8574_write_gpio(&_led_2_handle, NUM_3_LED_GREEN, LED_OFF);
-            _zh_relay_off(L3_RELAY);
+            _zh_relay_off(L_3_RELAY);
             _is_num_3_fixed = false;
         }
         break;
@@ -310,7 +303,7 @@ static void _zh_pcf8574_event_handler(void *arg, esp_event_base_t event_base, in
             }
             zh_pcf8574_write_gpio(&_led_2_handle, NUM_4_LED_BLUE, LED_OFF);
             zh_pcf8574_write_gpio(&_led_2_handle, NUM_4_LED_GREEN, LED_ON);
-            _zh_relay_on(L4_RELAY);
+            _zh_relay_on(L_4_RELAY);
         }
         else
         {
@@ -321,7 +314,7 @@ static void _zh_pcf8574_event_handler(void *arg, esp_event_base_t event_base, in
             }
             zh_pcf8574_write_gpio(&_led_2_handle, NUM_4_LED_BLUE, LED_ON);
             zh_pcf8574_write_gpio(&_led_2_handle, NUM_4_LED_GREEN, LED_OFF);
-            _zh_relay_off(L4_RELAY);
+            _zh_relay_off(L_4_RELAY);
             _is_num_4_fixed = false;
         }
         break;
@@ -339,7 +332,7 @@ static void _zh_encoder_event_handler(void *arg, esp_event_base_t event_base, in
         zh_160x_set_cursor(&_lcd_handle, 1, 2);
         zh_160x_print_int(&_lcd_handle, (uint8_t)event->encoder_position);
         zh_160x_print_char(&_lcd_handle, "% ");
-        zh_ac_dimmer_set(event->encoder_position);
+        zh_ac_dimmer_set((uint8_t)event->encoder_position);
         break;
     case COMPONENT_ENCODER:
         if (_is_work == true)
diff --git a/main/ate0003.h b/main/ate0003.h
index 86b7f17..282d804 100644
--- a/main/ate0003.h
+++ b/main/ate0003.h
@@ -33,10 +33,10 @@
 
 #define GROUND_RELAY 0x00 /*!< Relay K1. RL1 pin on U8. */
 #define DMM_RELAY 0x01    /*!< Relay K2. RL2 pin on U8. */
-#define L1_RELAY 0x03     /*!< Relay K4. RL4 pin on U8. */
-#define L2_RELAY 0x04     /*!< Relay K3. RL3 pin on U8. */
-#define L3_RELAY 0x05     /*!< Relay K6. RL6 pin on U8. */
-#define L4_RELAY 0x02     /*!< Relay K5. RL5 pin on U8. */
+#define L_1_RELAY 0x03    /*!< Relay K4. RL4 pin on U8. */
+#define L_2_RELAY 0x04    /*!< Relay K3. RL3 pin on U8. */
+#define L_3_RELAY 0x05    /*!< Relay K6. RL6 pin on U8. */
+#define L_4_RELAY 0x02    /*!< Relay K5. RL5 pin on U8. */
 #define L5_RELAY 0x06     /*!< Relay K7. RL7 pin on U8. */
 
 #define POWER_ENCODER 0x01     /*!< Connector EN2. */
diff --git a/pcb/BOM_ATE0003.000.001_v.3.xlsx b/pcb/BOM_ATE0003.000.001_v.3.xlsx
index 51f2677..cf59fc0 100644
Binary files a/pcb/BOM_ATE0003.000.001_v.3.xlsx and b/pcb/BOM_ATE0003.000.001_v.3.xlsx differ