diff --git a/LICENSE b/LICENSE
deleted file mode 100644
index f059317..0000000
--- a/LICENSE
+++ /dev/null
@@ -1,21 +0,0 @@
-MIT License
-
-Copyright (c) 2020 Xinyuan-LilyGO
-
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all
-copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-SOFTWARE.
diff --git a/TTGO-T-Display.ino b/TTGO-T-Display.ino
index dab4527..bce8a02 100644
--- a/TTGO-T-Display.ino
+++ b/TTGO-T-Display.ino
@@ -20,8 +20,8 @@
 #define TFT_DC              16
 #define TFT_RST             23
 
-#define TFT_BL          4  // Display backlight control pin
-#define ADC_EN          14
+#define TFT_BL          4   // Display backlight control pin
+#define ADC_EN          14  //ADC_EN is the ADC detection enable port
 #define ADC_PIN         34
 #define BUTTON_1        35
 #define BUTTON_2        0
@@ -36,9 +36,9 @@ int btnCick = false;
 
 //! Long time delay, it is recommended to use shallow sleep, which can effectively reduce the current consumption
 void espDelay(int ms)
-{   
+{
     esp_sleep_enable_timer_wakeup(ms * 1000);
-    esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH,ESP_PD_OPTION_ON);
+    esp_sleep_pd_config(ESP_PD_DOMAIN_RTC_PERIPH, ESP_PD_OPTION_ON);
     esp_light_sleep_start();
 }
 
@@ -71,7 +71,11 @@ void button_init()
 
         tft.writecommand(TFT_DISPOFF);
         tft.writecommand(TFT_SLPIN);
-        esp_sleep_enable_ext1_wakeup(GPIO_SEL_35, ESP_EXT1_WAKEUP_ALL_LOW);
+        //After using light sleep, you need to disable timer wake, because here use external IO port to wake up
+        esp_sleep_disable_wakeup_source(ESP_SLEEP_WAKEUP_TIMER);
+        // esp_sleep_enable_ext1_wakeup(GPIO_SEL_35, ESP_EXT1_WAKEUP_ALL_LOW);
+        esp_sleep_enable_ext0_wakeup(GPIO_NUM_35, 0);
+        delay(200);
         esp_deep_sleep_start();
     });
     btn1.setPressedHandler([](Button2 & b) {
@@ -129,18 +133,27 @@ void setup()
 {
     Serial.begin(115200);
     Serial.println("Start");
+
+    /*
+    ADC_EN is the ADC detection enable port
+    If the USB port is used for power supply, it is turned on by default.
+    If it is powered by battery, it needs to be set to high level
+    */
+    pinMode(ADC_EN, OUTPUT);
+    digitalWrite(ADC_EN, HIGH);
+
     tft.init();
     tft.setRotation(1);
     tft.fillScreen(TFT_BLACK);
     tft.setTextSize(2);
-    tft.setTextColor(TFT_WHITE);
+    tft.setTextColor(TFT_GREEN);
     tft.setCursor(0, 0);
     tft.setTextDatum(MC_DATUM);
     tft.setTextSize(1);
 
     if (TFT_BL > 0) { // TFT_BL has been set in the TFT_eSPI library in the User Setup file TTGO_T_Display.h
-         pinMode(TFT_BL, OUTPUT); // Set backlight pin to output mode
-         digitalWrite(TFT_BL, TFT_BACKLIGHT_ON); // Turn backlight on. TFT_BACKLIGHT_ON has been set in the TFT_eSPI library in the User Setup file TTGO_T_Display.h
+        pinMode(TFT_BL, OUTPUT); // Set backlight pin to output mode
+        digitalWrite(TFT_BL, TFT_BACKLIGHT_ON); // Turn backlight on. TFT_BACKLIGHT_ON has been set in the TFT_eSPI library in the User Setup file TTGO_T_Display.h
     }
 
     tft.setSwapBytes(true);
@@ -148,15 +161,12 @@ void setup()
     espDelay(5000);
 
     tft.setRotation(0);
-    int i = 5;
-    while (i--) {
-        tft.fillScreen(TFT_RED);
-        espDelay(1000);
-        tft.fillScreen(TFT_BLUE);
-        espDelay(1000);
-        tft.fillScreen(TFT_GREEN);
-        espDelay(1000);
-    }
+    tft.fillScreen(TFT_RED);
+    espDelay(1000);
+    tft.fillScreen(TFT_BLUE);
+    espDelay(1000);
+    tft.fillScreen(TFT_GREEN);
+    espDelay(1000);
 
     button_init();
 
@@ -171,10 +181,18 @@ void setup()
     } else {
         Serial.println("Default Vref: 1100mV");
     }
+
+    tft.fillScreen(TFT_BLACK);
+    tft.setTextDatum(MC_DATUM);
+    tft.drawString("LeftButton:", tft.width() / 2, tft.height() / 2 - 16);
+    tft.drawString("[WiFi Scan]", tft.width() / 2, tft.height() / 2 );
+    tft.drawString("RightButton:", tft.width() / 2, tft.height() / 2 + 16);
+    tft.drawString("[Voltage Monitor]", tft.width() / 2, tft.height() / 2 + 32 );
+    tft.drawString("RightButtonLongPress:", tft.width() / 2, tft.height() / 2 + 48);
+    tft.drawString("[Deep Sleep]", tft.width() / 2, tft.height() / 2 + 64 );
+    tft.setTextDatum(TL_DATUM);
 }
 
-
-
 void loop()
 {
     if (btnCick) {
diff --git a/firmware/LilyGo_T_Display_20200414.bin b/firmware/LilyGo_T_Display_20200414.bin
new file mode 100644
index 0000000..f28f583
Binary files /dev/null and b/firmware/LilyGo_T_Display_20200414.bin differ
diff --git a/firmware/README.MD b/firmware/README.MD
new file mode 100644
index 0000000..ad7899a
--- /dev/null
+++ b/firmware/README.MD
@@ -0,0 +1 @@
+![](SETTING.jpg)
\ No newline at end of file
diff --git a/firmware/SETTING.jpg b/firmware/SETTING.jpg
new file mode 100644
index 0000000..30273e2
Binary files /dev/null and b/firmware/SETTING.jpg differ