ESP8266 OTA funktioniert nicht

/*

  To upload through terminal you can use: curl -F "image=@firmware.bin" esp8266-webupdate.local/update

*/

#include <ESP8266WiFi.h>

#include <WiFiClient.h>

#include <ESP8266WebServer.h>

#include <ESP8266mDNS.h>

#include <ESP8266HTTPUpdateServer.h>

const char* host = "esp8266-webupdate";

const char* ssid = "Meine SSID"; // Echte SSID ist unterdrückt

const char* password = "Passwort"; // Echte PW ist unterdrückt

ESP8266WebServer httpServer(80);

ESP8266HTTPUpdateServer httpUpdater;

void setup(void){

  Serial.begin(115200);

  Serial.println();

  Serial.println("Booting Sketch...");

  WiFi.mode(WIFI_AP_STA);

  WiFi.begin(ssid, password);

  while(WiFi.waitForConnectResult() != WL_CONNECTED){

    WiFi.begin(ssid, password);

    Serial.println("WiFi failed, retrying.");

  }

  Serial.println("");

  Serial.print("Connected to ");

  Serial.println(ssid);

  Serial.print("IP address: ");

  Serial.println(WiFi.localIP());

  MDNS.begin(host);

  httpUpdater.setup(&httpServer);

  httpServer.begin();

  MDNS.addService("http", "tcp", 80);

  Serial.printf("HTTPUpdateServer ready! Open http://%s.local/update in your browser\n", host);

}

void loop(void){

  httpServer.handleClient();

  delay(1);

}

 ets Jan  8 2013,rst cause:1, boot mode:(3,0)

load 0x4010f000, len 1264, room 16 

tail 0

chksum 0x0f

csum 0x0f

~ld

Booting Sketch...

Connected to [Mein wifi-ssid]

IP address: 192.168.0.227

HTTPUpdateServer ready! Open http://esp8266-webupdate.local/update in your browser