diff --git a/src/main.cpp b/src/main.cpp
index 3ad5086..4c66dfa 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -16,6 +16,42 @@ public:
 class OTA: public App {
 public:
     OTA() {
+        M5.Display.print("Connecting to WiFi");
+        WiFi.mode(WIFI_STA);
+        WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
+        M5.Display.println("");
+
+        // Wait for connection
+        while (WiFi.status() != WL_CONNECTED) {
+            delay(500);
+            M5.Display.print(".");
+        }
+        M5.Display.println("");
+        M5.Display.print("Connected to ");
+        M5.Display.println(WIFI_SSID);
+        M5.Display.print("IP address: ");
+        M5.Display.println(WiFi.localIP());
+
+        M5.Display.print("Syncing time");
+        configTzTime(NTP_TIMEZONE, NTP_SERVER1, NTP_SERVER2, NTP_SERVER3);
+        while (sntp_get_sync_status() != SNTP_SYNC_STATUS_COMPLETED) {
+            M5.Display.print('.');
+            delay(1000);
+        }
+        M5.Display.println("");
+        time_t t = time(nullptr)+1; // Advance one second.
+        while (t > time(nullptr));  /// Synchronization in seconds
+        M5.Rtc.setDateTime( gmtime( &t ) );
+
+        server = new AsyncWebServer(80);
+        server->on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
+            request->send(200, "text/plain", "Hi! I am ESP32.");
+        });
+
+        AsyncElegantOTA.begin(server);    // Start ElegantOTA
+        server->begin();
+        M5.Display.println("HTTP server started");
+
         M5.Display.setEpdMode(epd_text);
         M5.Display.startWrite();
         M5.Display.clearDisplay(TFT_WHITE);
@@ -29,33 +65,23 @@ public:
                           "http://%s/update\n",
                           WiFi.localIP().toString());
 
-        button_power.initButton(&M5.Display, M5.Display.width() / 2, M5.Display.height() / 2, 200, 100, TFT_BLACK, TFT_LIGHTGRAY, TFT_BLACK, "Power", 3, 3);
-        button_power.drawButton();
         M5.Display.endWrite();
     }
     App::Choices loop() {
-        auto t = M5.Touch.getDetail();
-        if (t.wasPressed()) {
-            if (button_power.contains(t.x, t.y)) {
-                button_power.press(true);
-            } else {
-                button_power.press(false);
-            }
-        } else {
-            button_power.press(false);
-        }
-        if (button_power.justReleased()) {
-            M5.Display.clearDisplay(TFT_WHITE);
-            M5.Power.powerOff();
-        }
         return App::OTA;
     }
     void shutdown() {
-        M5.Display.printf("Disconnecting WiFi...");
+        M5.Display.print("Stopping web server...");
+        server->end();
+        delete server;
+        M5.Display.println("ok");
+        M5.Display.print("Disconnecting WiFi...");
+        WiFi.disconnect();
+        M5.Display.println("ok");
         delay(2000);
     }
 protected:
-    LGFX_Button button_power;
+    AsyncWebServer* server;
 };
 
 class System: public App {
@@ -177,7 +203,6 @@ public:
     }
 };
 
-AsyncWebServer server(80);
 App* app;
 App::Choices current_app;
 
@@ -189,41 +214,6 @@ void setup(void) {
     M5.Display.setCursor(0, M5.Display.height() / 4);
     M5.Display.println("Starting up...");
 
-    M5.Display.print("Connecting to WiFi");
-    WiFi.mode(WIFI_STA);
-    WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
-    M5.Display.println("");
-
-    // Wait for connection
-    while (WiFi.status() != WL_CONNECTED) {
-        delay(500);
-        M5.Display.print(".");
-    }
-    M5.Display.println("");
-    M5.Display.print("Connected to ");
-    M5.Display.println(WIFI_SSID);
-    M5.Display.print("IP address: ");
-    M5.Display.println(WiFi.localIP());
-
-    M5.Display.print("Syncing time");
-    configTzTime(NTP_TIMEZONE, NTP_SERVER1, NTP_SERVER2, NTP_SERVER3);
-    while (sntp_get_sync_status() != SNTP_SYNC_STATUS_COMPLETED) {
-        M5.Display.print('.');
-        delay(1000);
-    }
-    M5.Display.println("");
-    time_t t = time(nullptr)+1; // Advance one second.
-    while (t > time(nullptr));  /// Synchronization in seconds
-    M5.Rtc.setDateTime( gmtime( &t ) );
-
-    server.on("/", HTTP_GET, [](AsyncWebServerRequest *request) {
-        request->send(200, "text/plain", "Hi! I am ESP32.");
-    });
-
-    AsyncElegantOTA.begin(&server);    // Start ElegantOTA
-    server.begin();
-    M5.Display.println("HTTP server started");
-
     app = new Clock;
     current_app = App::Clock;
 }