diff --git a/d4.ino b/d4.ino
index 74f966a..984418e 100644
--- a/d4.ino
+++ b/d4.ino
@@ -1,6 +1,186 @@
+#include <Arduino.h>
+#include "M5StickCPlus.h"
+#include <WiFiClientSecure.h>
+#include <HTTPClient.h>
+#include <ArduinoJson.h>
+#include <string.h>
+#include <stdio.h>
+
+char str[100];
+/*
+When this code write to M5Stick, remove GND pin from M5Stick.
+Then Err won't occurred
+*/
+//LED of M5StickC voltage is opposite to M5Stack
+const char* ssid     = "miura2g";
+const char* password = "jikken2022";
+const char* host     = "notify-api.line.me";
+const char* token    = "";
+const String endpoint = "http://api.openweathermap.org/data/2.5/weather?q=tokyo,jp&APPID=";
+const String key = "";
+int weathertime;
+int weatherflag=0;
+int forecast=0;
+char timenow[30];
+int nowy,nowmon,nowd,nowh,nowm,nows,reg;
+int systime=millis()/1000;
+
+#define LED_PIN 10
+#define DOOR_PIN 26
+#define KEY_PIN 0
+#define KEY_TIME 3    //seconds
+#define weatherapi 30 //minutes
+//regular weather notice time
+#define seth 7 //hour
+#define setm 0 //min
+#define ntptime 5//min
 
 void setup() {
+    M5.begin();
+    M5.Lcd.setRotation(3);
+    pinMode(DOOR_PIN, INPUT_PULLUP);
+    pinMode(KEY_PIN, INPUT_PULLUP);
+    pinMode(LED_PIN,OUTPUT);
+    M5.Lcd.fillScreen(BLACK);
+    //wifi
+    M5.Lcd.printf("WIFI START:%s ", ssid);
+    WiFi.begin(ssid, password);
+    while (WiFi.status() != WL_CONNECTED) {
+        delay(500);
+        M5.Lcd.print(".");
+    }
+    M5.Lcd.println(" - READY");
+    //weather
+    weatherget();
+    weathertime=millis();
+    ntpsetup();
 }
+int unflag=0;
 
-void loop() {
-}
+void loop(){
+    M5.update();
+    ntpget();
+    if(digitalRead(KEY_PIN)==1){
+        digitalWrite(LED_PIN, LOW);
+        M5.Lcd.fillScreen(GREEN);
+        M5.Lcd.setCursor(10,10);
+        M5.Lcd.setTextColor(BLACK);
+        M5.Lcd.setTextSize(5);
+        M5.Lcd.print("Unlock");
+        M5.Lcd.setCursor(10,80);
+        M5.Lcd.setTextSize(3);
+        M5.Lcd.println(timenow);
+        //weather
+        if(weatherflag==1&&unflag==0){
+            unotice();
+            unflag=1;
+            unotice();
+        }
+    }else{
+        digitalWrite(LED_PIN, HIGH);
+        M5.Lcd.fillScreen(BLACK);
+        M5.Lcd.setCursor(10,10);
+        M5.Lcd.setTextColor(WHITE);
+        M5.Lcd.setTextSize(5);
+        M5.Lcd.print("Locked");
+        M5.Lcd.setCursor(10,80);
+        M5.Lcd.setTextSize(3);
+        M5.Lcd.println(timenow);
+        unflag=0;
+
+    }
+    //display Umbrella in key status page
+    if(weatherflag==1){
+        M5.Lcd.setCursor(10,50);
+        M5.Lcd.setTextSize(4);
+        M5.Lcd.setTextColor(RED);
+        M5.Lcd.print("Umbrella");
+    }else{
+        M5.Lcd.setCursor(10,50);
+        M5.Lcd.setTextSize(3);
+        M5.Lcd.setTextColor(BLUE);
+        M5.Lcd.print("Good Weather");
+    }
+    if(digitalRead(DOOR_PIN)==1){
+        //weather
+        if(weatherflag==1){
+            unotice();
+            unotice();
+        }
+        while(1){
+            ntpget();
+            M5.Lcd.fillScreen(BLUE);
+            M5.Lcd.setTextColor(BLACK);
+            M5.Lcd.setTextSize(5);
+            M5.Lcd.setCursor(10,10);
+            M5.Lcd.printf("Open");
+            M5.Lcd.setCursor(10,80);
+            M5.Lcd.setTextSize(3);
+            M5.Lcd.println(timenow);
+            if(digitalRead(DOOR_PIN)==0){
+                break;
+            }
+            delay(1000);
+        }
+        int seccount=0;
+        while(seccount<KEY_TIME){
+            M5.Lcd.fillScreen(GREEN);
+            M5.Lcd.setCursor(10,10);
+            M5.Lcd.setTextColor(BLACK);
+            M5.Lcd.setTextSize(5);
+            M5.Lcd.print("Unlock");
+            M5.Lcd.setCursor(10,80);
+            M5.Lcd.setTextSize(3);
+            ntpget();
+            M5.Lcd.println(timenow);
+            if(digitalRead(KEY_PIN)==0){
+                digitalWrite(LED_PIN, HIGH);
+                M5.Lcd.fillRect(0,0,320,120,BLACK);
+                M5.Lcd.setCursor(10,10);
+                M5.Lcd.setTextColor(WHITE);
+                M5.Lcd.setTextSize(5);
+                M5.Lcd.print("Locked");
+                M5.Lcd.setCursor(10,80);
+                M5.Lcd.setTextSize(3);
+                M5.Lcd.println(timenow);
+                break;
+            }
+            delay(1000);
+            seccount++;
+        }
+        if(digitalRead(KEY_PIN)==1){
+            M5.Lcd.fillScreen(RED);
+            M5.Lcd.setTextColor(BLACK);
+            M5.Lcd.setTextSize(5);
+            M5.Lcd.setCursor(10,10);
+            M5.Lcd.printf("Unlock!!!");
+            //line api
+            String msg = "戸締まり忘れ検知!";
+            line_notify(msg);
+            while(1){
+                digitalWrite(LED_PIN, HIGH);
+                M5.Beep.beep();
+                delay(500);
+                digitalWrite(LED_PIN, LOW);
+                M5.Beep.mute();
+                delay(500);
+                if(digitalRead(KEY_PIN)==0){
+                    break;
+                }
+            }
+        }
+    }
+    //weather
+    if(weatherapi<(millis()-weathertime)/(60*1000)){
+        weatherget();
+        weathertime=millis();
+    }
+    if(M5.BtnA.isPressed()){
+        forecast=1;
+        weatherget();
+    }else if(nowh==seth&&nowm==setm&&reg==0){
+        reg=1;
+        weatherget();
+    }
+    delay(1000);
+}
\ No newline at end of file