diff --git a/platformio.ini b/platformio.ini
index b9bead3..13e36a0 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -2,22 +2,24 @@
 platform = espressif8266
 board = esp12e
 framework = arduino
+board_build.filesystem = littlefs
 board_build.ldscript = eagle.flash.4m2m.ld
 lib_deps = 
 	https://github.com/aZholtikov/ZHNetwork
 	https://github.com/aZholtikov/ZHConfig
+	https://github.com/aZholtikov/Async-Web-Server
 	https://github.com/bblanchon/ArduinoJson
-	https://github.com/me-no-dev/ESPAsyncWebServer
 
 [env:ESP-12E-OTA]
 platform = espressif8266
 board = esp12e
 framework = arduino
+board_build.filesystem = littlefs
 board_build.ldscript = eagle.flash.4m2m.ld
 upload_port = 192.168.4.1
 upload_protocol = espota
 lib_deps = 
 	https://github.com/aZholtikov/ZHNetwork
 	https://github.com/aZholtikov/ZHConfig
-	https://github.com/bblanchon/ArduinoJson
-	https://github.com/me-no-dev/ESPAsyncWebServer
\ No newline at end of file
+	https://github.com/aZholtikov/Async-Web-Server
+	https://github.com/bblanchon/ArduinoJson
\ No newline at end of file
diff --git a/src/main.cpp b/src/main.cpp
index f31fbc9..7ca9a92 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,6 +1,7 @@
 #include "ArduinoJson.h"
 #include "ArduinoOTA.h"
-#include "ESPAsyncWebServer.h"
+#include "ESPAsyncWebServer.h" // https://github.com/aZholtikov/Async-Web-Server
+#include "LittleFS.h"
 #include "Ticker.h"
 #include "ZHNetwork.h"
 #include "ZHConfig.h"
@@ -83,7 +84,7 @@ void setup()
 {
   analogWriteRange(255);
 
-  SPIFFS.begin();
+  LittleFS.begin();
 
   loadConfig();
 
@@ -198,6 +199,7 @@ void onConfirmReceiving(const uint8_t *target, const uint16_t id, const bool sta
   {
     espnow_message_t message = espnowMessage[i];
     if (message.id == id)
+    {
       if (status)
         espnowMessage.erase(espnowMessage.begin() + i);
       else
@@ -205,14 +207,15 @@ void onConfirmReceiving(const uint8_t *target, const uint16_t id, const bool sta
         message.id = myNet.sendUnicastMessage(message.message, gatewayMAC, true);
         espnowMessage.at(i) = message;
       }
+    }
   }
 }
 
 void loadConfig()
 {
-  if (!SPIFFS.exists("/config.json"))
+  if (!LittleFS.exists("/config.json"))
     saveConfig();
-  File file = SPIFFS.open("/config.json", "r");
+  File file = LittleFS.open("/config.json", "r");
   String jsonFile = file.readString();
   StaticJsonDocument<512> json;
   deserializeJson(json, jsonFile);
@@ -252,7 +255,7 @@ void saveConfig()
   json["green"] = green;
   json["blue"] = blue;
   json["system"] = "empty";
-  File file = SPIFFS.open("/config.json", "w");
+  File file = LittleFS.open("/config.json", "w");
   serializeJsonPretty(json, file);
   file.close();
 }
@@ -260,7 +263,7 @@ void saveConfig()
 void setupWebServer()
 {
   webServer.on("/", HTTP_GET, [](AsyncWebServerRequest *request)
-               { request->send(SPIFFS, "/index.htm"); });
+               { request->send(LittleFS, "/index.htm"); });
 
   webServer.on("/setting", HTTP_GET, [](AsyncWebServerRequest *request)
                {
@@ -282,8 +285,8 @@ void setupWebServer()
 
   webServer.onNotFound([](AsyncWebServerRequest *request)
                        { 
-        if (SPIFFS.exists(request->url()))
-        request->send(SPIFFS, request->url());
+        if (LittleFS.exists(request->url()))
+        request->send(LittleFS, request->url());
         else
         {
         request->send(404, "text/plain", "File Not Found");