diff --git a/time_api.py b/time_api.py
index 9aa324d..85b42f9 100644
--- a/time_api.py
+++ b/time_api.py
@@ -47,4 +47,4 @@ def get_utc_after(utc_time: datetime, hours: float=0.0, seconds: float=0.0):
     '''
     获取 utc 时间后面的一个时间点
     '''
-    return utc_time + timedelta(hours=hours, seconds=delta)
\ No newline at end of file
+    return utc_time + timedelta(hours=hours, seconds=seconds)
\ No newline at end of file