diff --git a/sunny05.ino b/sunny05.ino
index 9f9e993..34cd2f2 100644
--- a/sunny05.ino
+++ b/sunny05.ino
@@ -3,7 +3,7 @@
 #include "FastLED.h"
 #include "GyverButton.h"
 
-#define VER "5.78"
+#define VER "5.79"
 
 #include "ESP8266WiFi.h"
 #include "PubSubClient.h"
@@ -224,7 +224,10 @@ void setup()
         Serial.println(NTP.online());
         if (NTP.online() == 0)
         {
+            NTP.end();
             NTP.setHost("192.168.121.9");
+            NTP.begin(3);
+            NTP.updateNow();
         }
     });
     NTP.onSecond([]() 
@@ -879,9 +882,9 @@ void action()
             d_off.minute = valTime_off.minute;
             if(d_off < d_on)
             {
-                d_off.addMinutes(15);
-                valTime_off.hour = d_off.hour;
-                valTime_off.minute = d_off.minute;
+                d_on.addMinutes(15);
+                valTime_off.hour = d_on.hour;
+                valTime_off.minute = d_on.minute;
                 Serial.printf("on %02d:%02d off %02d:%02d\r\n",valTime_on.hour,valTime_on.minute,valTime_off.hour,valTime_off.minute);
             }
         }