diff --git a/pykirdy/kirdy_qt.py b/pykirdy/kirdy_qt.py
index 89272c2..f423a46 100644
--- a/pykirdy/kirdy_qt.py
+++ b/pykirdy/kirdy_qt.py
@@ -814,8 +814,10 @@ class MainWindow(QtWidgets.QMainWindow):
         tree.setParameters(self.params[1], showTop=False)
         self.params[1].sigTreeStateChanged.connect(self.send_command)
 
+        self.prev_autotuner_state = None
         @asyncSlot()
         async def autotune(param):
+            self.prev_autotuner_state = None
             match self.autotuner.state():
                 case PIDAutotuneState.STATE_OFF:
                     settings = await self.kirdy.device.get_settings_summary()
@@ -825,6 +827,7 @@ class MainWindow(QtWidgets.QMainWindow):
                         param.parent().child('Temperature Swing').value(),
                         1.0 / settings['thermostat']['temp_adc_settings']['rate'],
                         param.parent().child('Lookback').value())
+                    print(param.parent().child('Lookback').value())
                     self.autotuner.setReady()
                     param.setOpts(title="Stop")
                     self.kirdy.task_dispatcher(self.kirdy.thermostat.set_constant_current_control_mode())
@@ -878,40 +881,43 @@ class MainWindow(QtWidgets.QMainWindow):
         self.info_box.setWindowTitle("Command fails to execute")
         self.info_box.show()
 
-    @pyqtSlot(dict)
-    def autotune_tick(self, report):
-        match self.autotuner.state():
-            case PIDAutotuneState.STATE_READY | PIDAutotuneState.STATE_RELAY_STEP_UP | PIDAutotuneState.STATE_RELAY_STEP_DOWN:
-                self.autotuner.run(report['thermostat']['temperature'], report['ts']/1000)
-                self.kirdy.task_dispatcher(self.kirdy.thermostat.set_tec_i_out(self.autotuner.output()))
-            case PIDAutotuneState.STATE_SUCCEEDED:
-                kp, ki, kd = self.autotuner.get_tec_pid()
-                self.autotuner.setOff()
-                self.params[1].child('PID Config', 'PID Auto Tune', 'Run').setOpts(title="Run")
-                self.kirdy.task_dispatcher(self.kirdy.thermostat.set_pid_kp(kp))
-                self.kirdy.task_dispatcher(self.kirdy.thermostat.set_pid_ki(ki))
-                self.kirdy.task_dispatcher(self.kirdy.thermostat.set_pid_kd(kd))
-                self.kirdy.task_dispatcher(self.kirdy.thermostat.set_pid_control_mode())
-                self.kirdy.task_dispatcher(self.kirdy.thermostat.set_temperature_setpoint(self.params[1].child('PID Config', 'PID Auto Tune', 'Target Temperature').value()))
-                self.kirdy_handler.report_update_sig.disconnect(self.autotune_tick)
-                self.background_task_lbl.setText("Ready.")
-                self.loading_spinner.stop()
-                self.loading_spinner.hide()
-                self.info_box.setWindowTitle("PID AutoTune Success")
-                self.info_box.setText("PID Config has been loaded to Thermostat.\nRegulating temperature.")
-                self.info_box.show()
-
-            case PIDAutotuneState.STATE_FAILED:
-                self.autotuner.setOff()
-                self.params[1].child('PID Config', 'PID Auto Tune', 'Run').setOpts(title="Run")
-                self.kirdy.task_dispatcher(self.kirdy.thermostat.set_tec_i_out(0.0))
-                self.kirdy_handler.report_update_sig.disconnect(self.autotune_tick)
-                self.background_task_lbl.setText("Ready.")
-                self.loading_spinner.stop()
-                self.loading_spinner.hide()
-                self.info_box.setWindowTitle("PID Autotune Failed")
-                self.info_box.setText("PID Autotune is failed.")
-                self.info_box.show()
+    @asyncSlot(dict)
+    async def autotune_tick(self, report):
+        self.autotuner.run(report['thermostat']['temperature'], report['ts']/1000)
+        if self.prev_autotuner_state != self.autotuner.state():
+            match self.autotuner.state():
+                case PIDAutotuneState.STATE_READY | PIDAutotuneState.STATE_RELAY_STEP_UP | PIDAutotuneState.STATE_RELAY_STEP_DOWN:
+                    await self.kirdy.thermostat.set_tec_i_out(self.autotuner.output())
+                    self.prev_autotuner_state = self.autotuner.state()
+                case PIDAutotuneState.STATE_SUCCEEDED:
+                    kp, ki, kd = self.autotuner.get_tec_pid()
+                    self.autotuner.setOff()
+                    self.params[1].child('PID Config', 'PID Auto Tune', 'Run').setOpts(title="Run")
+                    self.kirdy.task_dispatcher(self.kirdy.thermostat.set_pid_kp(kp))
+                    self.kirdy.task_dispatcher(self.kirdy.thermostat.set_pid_ki(ki))
+                    self.kirdy.task_dispatcher(self.kirdy.thermostat.set_pid_kd(kd))
+                    self.kirdy.task_dispatcher(self.kirdy.thermostat.set_pid_control_mode())
+                    self.kirdy.task_dispatcher(self.kirdy.thermostat.set_temperature_setpoint(self.params[1].child('PID Config', 'PID Auto Tune', 'Target Temperature').value()))
+                    self.kirdy_handler.report_update_sig.disconnect(self.autotune_tick)
+                    self.background_task_lbl.setText("Ready.")
+                    self.loading_spinner.stop()
+                    self.loading_spinner.hide()
+                    self.info_box.setWindowTitle("PID AutoTune Success")
+                    self.info_box.setText("PID Config has been loaded to Thermostat.\nRegulating temperature.")
+                    self.info_box.show()
+                    self.prev_autotuner_state = None
+                case PIDAutotuneState.STATE_FAILED:
+                    self.autotuner.setOff()
+                    self.params[1].child('PID Config', 'PID Auto Tune', 'Run').setOpts(title="Run")
+                    self.kirdy.task_dispatcher(self.kirdy.thermostat.set_tec_i_out(0.0))
+                    self.kirdy_handler.report_update_sig.disconnect(self.autotune_tick)
+                    self.background_task_lbl.setText("Ready.")
+                    self.loading_spinner.stop()
+                    self.loading_spinner.hide()
+                    self.info_box.setWindowTitle("PID Autotune Failed")
+                    self.info_box.setText("PID Autotune is failed.")
+                    self.info_box.show()
+                    self.prev_autotuner_state = None
 
     @pyqtSlot(bool)
     def _on_connection_changed(self, result):