diff --git a/PPOCRLabel/libs/autoDialog.py b/PPOCRLabel/libs/autoDialog.py
index c26bc75995534630ec048b70706a3945a503ecc9..189a590de851228e08d71f1dd2c00c823b9c2b0c 100644
--- a/PPOCRLabel/libs/autoDialog.py
+++ b/PPOCRLabel/libs/autoDialog.py
@@ -118,7 +118,7 @@ class AutoDialog(QDialog):
 
         # calculate time left of auto labeling
         avg_time = (time.time() - self.time_start) / i  # Use average time to prevent time fluctuations
-        time_left = str(datetime.timedelta(seconds=avg_time * (self.lender - i)))
+        time_left = str(datetime.timedelta(seconds=avg_time * (self.lender - i))).split(".")[0]  # Remove microseconds
         self.setWindowTitle("PPOCRLabel  --  " + f"Time Left: {time_left}")  # show
 
     def handleListWidgetSingal(self, i):