diff --git a/main/boards/echoear/EchoEar.cc b/main/boards/echoear/EchoEar.cc
index 1ebbc8b2..84f0887b 100644
--- a/main/boards/echoear/EchoEar.cc
+++ b/main/boards/echoear/EchoEar.cc
@@ -216,6 +216,12 @@ static const st77916_lcd_init_cmd_t vendor_specific_init_yysj[] = {
     {0x00, (uint8_t []){}, 0, 120},
 };
 float tsens_value;
+gpio_num_t AUDIO_I2S_GPIO_DIN = AUDIO_I2S_GPIO_DIN_1;
+gpio_num_t AUDIO_CODEC_PA_PIN = AUDIO_CODEC_PA_PIN_1;
+gpio_num_t QSPI_PIN_NUM_LCD_RST = QSPI_PIN_NUM_LCD_RST_1;
+gpio_num_t TOUCH_PAD2 = TOUCH_PAD2_1;
+gpio_num_t UART1_TX = UART1_TX_1;   
+gpio_num_t UART1_RX = UART1_RX_1;   
 
 class Charge : public I2cDevice {
 public:
@@ -312,6 +318,41 @@ private:
         ESP_ERROR_CHECK(temperature_sensor_enable(temp_sensor));
         
     }
+    uint8_t DetectPcbVersion() {
+        esp_err_t ret = i2c_master_probe(i2c_bus_, 0x18, 100);  
+        uint8_t pcb_verison = 0;
+        if (ret == ESP_OK) {
+            ESP_LOGI(TAG, "PCB verison V1.0");
+            pcb_verison = 0;  
+        } else {
+            gpio_config_t gpio_conf = {
+                .pin_bit_mask = (1ULL << GPIO_NUM_48),
+                .mode = GPIO_MODE_OUTPUT,
+                .pull_up_en = GPIO_PULLUP_DISABLE,
+                .pull_down_en = GPIO_PULLDOWN_DISABLE,
+                .intr_type = GPIO_INTR_DISABLE
+            };
+            ESP_ERROR_CHECK(gpio_config(&gpio_conf));
+            ESP_ERROR_CHECK(gpio_set_level(GPIO_NUM_48, 1));
+            vTaskDelay(pdMS_TO_TICKS(100));
+            ret = i2c_master_probe(i2c_bus_, 0x18, 100);  
+            if (ret == ESP_OK) {
+                ESP_LOGI(TAG, "PCB verison V1.2");
+                pcb_verison = 1;  
+                AUDIO_I2S_GPIO_DIN = AUDIO_I2S_GPIO_DIN_2;
+                AUDIO_CODEC_PA_PIN = AUDIO_CODEC_PA_PIN_2;
+                QSPI_PIN_NUM_LCD_RST = QSPI_PIN_NUM_LCD_RST_2;
+                TOUCH_PAD2 = TOUCH_PAD2_2;
+                UART1_TX = UART1_TX_2;
+                UART1_RX = UART1_RX_2;
+            } else {
+                ESP_LOGE(TAG, "PCB version detection error");
+                
+            }
+        } 
+        return pcb_verison;
+    }
+
 
     static void touchpad_timer_callback(void* arg) {
         auto& board = (EspS3Cat&)Board::GetInstance();
@@ -440,7 +481,7 @@ private:
         ESP_ERROR_CHECK(spi_bus_initialize(QSPI_LCD_HOST, &bus_config, SPI_DMA_CH_AUTO));
     }
 
-    void Initializest77916Display() {
+    void Initializest77916Display(uint8_t pcb_verison) {
 
         esp_lcd_panel_io_handle_t panel_io = nullptr;
         esp_lcd_panel_handle_t panel = nullptr;
@@ -458,6 +499,9 @@ private:
             .reset_gpio_num = QSPI_PIN_NUM_LCD_RST,
             .rgb_ele_order = LCD_RGB_ELEMENT_ORDER_RGB,
             .bits_per_pixel = QSPI_LCD_BIT_PER_PIXEL,
+            .flags = {
+                .reset_active_high = pcb_verison,
+            },
             .vendor_config = &vendor_config,
         };
         ESP_ERROR_CHECK(esp_lcd_new_panel_st77916(panel_io, &panel_config, &panel));
@@ -500,11 +544,12 @@ private:
 public:
     EspS3Cat() : boot_button_(BOOT_BUTTON_GPIO) {
         InitializeI2c();
+        uint8_t pcb_verison = DetectPcbVersion();
         InitializeCharge();
         InitializeCst816sTouchPad();
         
         InitializeSpi();
-        Initializest77916Display();
+        Initializest77916Display(pcb_verison);
         InitializeButtons();
     }
 
diff --git a/main/boards/echoear/config.h b/main/boards/echoear/config.h
index d8ffe81f..a4ae32fa 100644
--- a/main/boards/echoear/config.h
+++ b/main/boards/echoear/config.h
@@ -9,19 +9,23 @@
 #define AUDIO_OUTPUT_SAMPLE_RATE 24000
 #define AUDIO_INPUT_REFERENCE    true
 
+#define CORDEC_POWER_CTRL  GPIO_NUM_48
+
 #define POWER_CTRL  GPIO_NUM_9
 #define LED_G       GPIO_NUM_43
 #define SD_MISO     GPIO_NUM_17
 #define SD_SCK      GPIO_NUM_16
 #define SD_MOSI     GPIO_NUM_38
 
-#define AUDIO_I2S_GPIO_MCLK GPIO_NUM_42
-#define AUDIO_I2S_GPIO_WS   GPIO_NUM_39
-#define AUDIO_I2S_GPIO_BCLK GPIO_NUM_40
-#define AUDIO_I2S_GPIO_DIN  GPIO_NUM_15
-#define AUDIO_I2S_GPIO_DOUT GPIO_NUM_41
+#define AUDIO_I2S_GPIO_MCLK     GPIO_NUM_42
+#define AUDIO_I2S_GPIO_WS       GPIO_NUM_39
+#define AUDIO_I2S_GPIO_BCLK     GPIO_NUM_40
+#define AUDIO_I2S_GPIO_DIN_1    GPIO_NUM_15
+#define AUDIO_I2S_GPIO_DIN_2    GPIO_NUM_3
+#define AUDIO_I2S_GPIO_DOUT     GPIO_NUM_41
 
-#define AUDIO_CODEC_PA_PIN       GPIO_NUM_4
+#define AUDIO_CODEC_PA_PIN_1    GPIO_NUM_4
+#define AUDIO_CODEC_PA_PIN_2     GPIO_NUM_15
 #define AUDIO_CODEC_I2C_SDA_PIN  GPIO_NUM_2
 #define AUDIO_CODEC_I2C_SCL_PIN  GPIO_NUM_1
 #define AUDIO_CODEC_ES8311_ADDR  ES8311_CODEC_DEFAULT_ADDR
@@ -49,9 +53,18 @@
 #define QSPI_PIN_NUM_LCD_DATA1  GPIO_NUM_13
 #define QSPI_PIN_NUM_LCD_DATA2  GPIO_NUM_11
 #define QSPI_PIN_NUM_LCD_DATA3  GPIO_NUM_12
-#define QSPI_PIN_NUM_LCD_RST    GPIO_NUM_3
+#define QSPI_PIN_NUM_LCD_RST_1  GPIO_NUM_3
+#define QSPI_PIN_NUM_LCD_RST_2  GPIO_NUM_47
 #define QSPI_PIN_NUM_LCD_BL     GPIO_NUM_44
 
+#define UART1_TX_1     GPIO_NUM_6
+#define UART1_TX_2     GPIO_NUM_5
+#define UART1_RX_1     GPIO_NUM_5
+#define UART1_RX_2     GPIO_NUM_4
+#define TOUCH_PAD2_1     GPIO_NUM_NC
+#define TOUCH_PAD2_2     GPIO_NUM_6
+#define TOUCH_PAD1     GPIO_NUM_7
+
 #define DISPLAY_OFFSET_X  0
 #define DISPLAY_OFFSET_Y  0