diff --git a/src/plugins/schedule/schedule_generator.py b/src/plugins/schedule/schedule_generator.py
index c9a1c8910..f2b11c33f 100644
--- a/src/plugins/schedule/schedule_generator.py
+++ b/src/plugins/schedule/schedule_generator.py
@@ -104,7 +104,7 @@ class ScheduleGenerator:
         min_diff = float('inf')
         
         # 检查今天的日程
-        if not self.today_schedule.keys():
+        if not self.today_schedule:
             return "摸鱼"
         for time_str in self.today_schedule.keys():
             diff = abs(self._time_diff(current_time, time_str))