diff --git a/src/LilyGoWatch.h b/src/LilyGoWatch.h
index f59646c..54534b4 100644
--- a/src/LilyGoWatch.h
+++ b/src/LilyGoWatch.h
@@ -137,10 +137,6 @@
 #elif defined(LILYGO_WATCH_2020_V2)
 #include "board/twatch2020_v2.h"
 
-#if defined(BOARD_HAS_PSRAM)
-#error  "The version you choose is Twatch 2020 V2, this version is not configured with PSRAM, please select Disable in the PSRAM enable tab in Arduino IDE"
-#endif
-
 // Has
 #define LILYGO_WATCH_HAS_TOUCH
 #define LILYGO_WATCH_HAS_DISPLAY
@@ -152,15 +148,14 @@
 #define LILYGO_WATCH_HAS_IRREMOTE
 #define LILYGO_WATCH_HAS_BACKLIGHT
 #define LILYGO_WATCH_HAS_GPS
+#define  LILYGO_WATCH_HAS_SDCARD
 
 // Hardware not support
 #undef  LILYGO_WATCH_HAS_NFC
 #undef  LILYGO_WATCH_HAS_GPRS
-// #undef  LILYGO_WATCH_HAS_GPS
 #undef  LILYGO_WATCH_HAS_LORA
 #undef  LILYGO_WATCH_HAS_MPU6050
 #undef  LILYGO_WATCH_HAS_MAX301XX
-#undef  LILYGO_WATCH_HAS_SDCARD
 #undef  LILYGO_WATCH_HAS_BUTTON
 #undef  LILYGO_WATCH_HAS_MPR121
 #undef  LILYGO_WATCH_HAS_BBQ_KEYBOARD
diff --git a/src/TTGO.h b/src/TTGO.h
index 6eda1f9..3a686be 100644
--- a/src/TTGO.h
+++ b/src/TTGO.h
@@ -282,7 +282,7 @@ public:
             x = _x;
             y = _y;
         }
-#elif   defined(LILYGO_WATCH_2020_V1)
+#elif   defined(LILYGO_WATCH_2020_V1) || defined(LILYGO_WATCH_2020_V2)
         uint8_t rotation = tft->getRotation();
         switch (rotation) {
         case 0:
@@ -986,7 +986,7 @@ private:
             return false;
         }
         // T-Watch 2020 and 2019 use different mapping axes
-#if defined(LILYGO_WATCH_2020_V1)
+#if defined(LILYGO_WATCH_2020_V1) || defined(LILYGO_WATCH_2020_V2)
         remap_data.x_axis = 0;
         remap_data.x_axis_sign = 1;
         remap_data.y_axis = 1;
@@ -1056,7 +1056,7 @@ private:
         tft->initDMA(); // To use SPI DMA you must call initDMA() to setup the DMA engine
 #endif
 
-#ifdef  LILYGO_WATCH_2020_V1
+#if     defined(LILYGO_WATCH_2020_V1) || defined(LILYGO_WATCH_2020_V2)
         // Set default initial orientation
         tft->setRotation(2);
 #endif  /*LILYGO_WATCH_2020_V1*/
@@ -1169,16 +1169,23 @@ private:
             power->setPowerOutPut(AXP202_LDO4, false);
             power->setLDO4Voltage(AXP202_LDO4_3300MV);
 
-            power->setPowerOutPut(AXP202_LDO3, false);
-            power->setLDO3Voltage(AXP202_LDO3, 3300);
-
-            //Adding a hardware reset can reduce the current consumption of the  capacitive touch
+            //Adding a hardware reset can reduce the current consumption of the capacitive touch
             power->setPowerOutPut(AXP202_EXTEN, true);
             delay(20);
             power->setPowerOutPut(AXP202_EXTEN, false);
             delay(20);
             power->setPowerOutPut(AXP202_EXTEN, true);
 
+            /*
+            In 2020V2, LDO3 is allocated to the display and touch screen power.
+            When ESP32 is set to sleep or other situations where power consumption needs to be saved,
+            LDO3 can be turned off
+            */
+            power->setPowerOutPut(AXP202_LDO3, false);
+            power->setLDO3Voltage(3300);
+            power->setPowerOutPut(AXP202_LDO3, true);
+
+
 #endif  /*LILYGO_WATCH_2020_V2*/
         }
 #endif /*LILYGO_WATCH_HAS_AXP202*/
diff --git a/src/board/twatch2020_v2.h b/src/board/twatch2020_v2.h
index b3793d0..b1fdac4 100644
--- a/src/board/twatch2020_v2.h
+++ b/src/board/twatch2020_v2.h
@@ -19,7 +19,7 @@
 #define SEN_SDA                     21
 #define SEN_SCL                     22
 
-#define RTC_INT_PIN                     37
+#define RTC_INT_PIN                 37
 #define AXP202_INT                  35
 #define BMA423_INT1                 39
 
@@ -30,4 +30,9 @@
 #define GPS_RX                      25
 #define GPS_TX                      26
 #define GPS_WAKE                    33
-#define GPS_BAUD_RATE               9600
\ No newline at end of file
+#define GPS_BAUD_RATE               9600
+
+#define SD_CS                       13
+#define SD_MISO                     2
+#define SD_MOSI                     15
+#define SD_SCLK                     14