diff --git a/controller.py b/controller.py
index cdefcc1b..5b11a617 100644
--- a/controller.py
+++ b/controller.py
@@ -163,12 +163,12 @@ def receiveSpeakerMessage(message):
 
             if model.overlay.initialized is False:
                 model.startOverlay()
-
-            if config.ENABLE_OVERLAY_SMALL_LOG is True:
-                overlay_image = model.createOverlayImageShort(message, translation)
-                model.updateOverlay(overlay_image)
-                # overlay_image = model.createOverlayImageLong("receive", message, translation)
-                # model.updateOverlay(overlay_image)
+            else:
+                if config.ENABLE_OVERLAY_SMALL_LOG is True:
+                    overlay_image = model.createOverlayImageShort(message, translation)
+                    model.updateOverlay(overlay_image)
+                    # overlay_image = model.createOverlayImageLong("receive", message, translation)
+                    # model.updateOverlay(overlay_image)
 
             # ------------Speaker2Chatbox------------
             if config.ENABLE_SPEAKER2CHATBOX is True:
@@ -873,6 +873,12 @@ def callbackSetOverlaySettings(value, set_type:str):
 def callbackSetEnableOverlaySmallLog(value):
     print("callbackSetEnableOverlaySmallLog", value)
     config.ENABLE_OVERLAY_SMALL_LOG = value
+    
+    if config.ENABLE_OVERLAY_SMALL_LOG is True:
+        pass
+    else:
+        if model.overlay.initialized is True:
+            model.clearOverlayImage()
 
 def callbackSetOverlaySmallLogSettings(value, set_type:str):
     print("callbackSetOverlaySmallLogSettings", value, set_type)
diff --git a/model.py b/model.py
index 189b6d3c..1dd856a6 100644
--- a/model.py
+++ b/model.py
@@ -602,6 +602,10 @@ class Model:
     #     target_language = config.SOURCE_LANGUAGE if message_type == "receive" else config.TARGET_LANGUAGE
     #     return self.overlay_image.create_overlay_image_long(message_type, message, your_language, translation, target_language)
 
+    def clearOverlayImage(self):
+        if self.overlay.initialized is True:
+            self.overlay.uiManager.uiClear()
+
     def updateOverlay(self, img):
         if self.overlay.initialized is True:
             self.overlay.uiManager.uiUpdate(img)
@@ -610,7 +614,7 @@ class Model:
         if self.overlay.initialized is False:
             self.overlay.init()
 
-        if self.overlay.initialized is True:
+        if self.overlay.initialized is True and self.th_overlay is None:
             self.th_overlay = Thread(target=self.overlay.startOverlay)
             self.th_overlay.daemon = True
             self.th_overlay.start()
diff --git a/models/overlay/overlay.py b/models/overlay/overlay.py
index e8cb9e0e..87cd12b1 100644
--- a/models/overlay/overlay.py
+++ b/models/overlay/overlay.py
@@ -106,6 +106,11 @@ class UIManager:
         if self.settings['Fade_interval'] != 0:
             self.evaluateTransparencyFade(self.lastUpdate, currTime)
 
+    def uiClear(self):
+        self.overlayUI.setImage(Image.new("RGBA", (1, 1), (0, 0, 0, 0)))
+        self.overlayUI.setTransparency(self.settings['Transparency'])
+        self.lastUpdate = time.monotonic()
+
     def uiUpdate(self, img):
         self.overlayUI.setImage(img)
         self.overlayUI.setTransparency(self.settings['Transparency'])