diff --git a/platformio.ini b/platformio.ini
index e269b69..0659501 100644
--- a/platformio.ini
+++ b/platformio.ini
@@ -73,3 +73,10 @@ build_flags =
 	-DILI9341_2_DRIVER
 	-DSTASSID=\"FRITZ!Box7362SL\"
     -DSTAPSK=\"BorisundEva2007\"
+
+[env:cydalm]
+build_flags =
+	${env.build_flags}
+	-DILI9341_2_DRIVER
+	-DSTASSID=\"WLAN-7QHHAK\"
+    -DSTAPSK=\"3557919930817586\"
diff --git a/src/main.cpp b/src/main.cpp
index ef77a60..e4a1043 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -49,7 +49,7 @@ SPIClass spi2 = SPIClass(VSPI);
 SPIClass mySpi = SPIClass(VSPI);
 
 
-#include<mess_htu21.h>
+#include <mess_htu21.h>
 #include <mcp9808.h>
 #include <mess_BMP280.h>
 #include <Preferences.h>
@@ -270,7 +270,7 @@ void setup() {
   Serial.println(ssid);
   WiFi.begin(ssid, password);
   Versuche = 0;
-  while (WiFi.status() != WL_CONNECTED) {
+  while ((WiFi.status() != WL_CONNECTED) ^ (Versuche >= WiFiError)) {
     delay(500);
     Serial.print(".");
     Versuche += 1;
@@ -283,13 +283,21 @@ void setup() {
         tft.invertDisplay(a % 2);
         delay(500);
       } 
-      WiFi.disconnect();
-      ESP.restart();
+      /* WiFi.disconnect();
+      ESP.restart(); */
+    }
+    else {
+      tft.invertDisplay(false);
+      tft.fillScreen(TFT_BLACK);
+      tft.setTextColor(TFT_WHITE, TFT_BLACK);
+      tft.drawCentreString(" Kein WLAN ! ", 160, 110, fontNum = 4);
+      delay(500);
     }
   }
 
   
   // Print local IP address and start web server
+  tft.invertDisplay(false);
   tft.fillScreen(TFT_BLACK);
   Serial.println("");
   Serial.println("WiFi connected.");
@@ -612,7 +620,14 @@ void Menue(){
         }  
       }
       
-      
+      if((touch.y >= 15) && (touch.y <= 30)){
+      if((touch.x >= 270) && (touch.x <= 290)){
+        deleteFile(SD, "/daten.csv");
+        writeFile(SD, "/daten.csv", "Zeit;Temperatur;Feuchtigkeit\n");
+        NoTouchScreen(touch);
+        zurueck = false;
+        } 
+      }
       if((touch.y >= 15) && (touch.y <= 30)){
       if((touch.x >= 15) && (touch.x <= 30)){
         NoTouchScreen(touch);