Update app.py

app.py

@@ -127,7 +127,7 @@ def downloadTubeUpload(query):
     duration = float(result.read().strip())
     
     # 计算需要截取的时间区间
-    start_time = max(0, (duration - 60) / 2)
+    start_time = max(0, (duration) / 2)
     end_time = start_time + 60