diff --git a/time_api.py b/time_api.py
index 9dd5442..4062c12 100644
--- a/time_api.py
+++ b/time_api.py
@@ -17,17 +17,13 @@ def parse_utc_time(query_time: str) -> datetime.datetime:
     '''
     将一个北京时间的时间点，转换成utc
     '''
-    beijing_time = datetime.datetime.fromisoformat(query_time)
-    utc_time = beijing_time.astimezone(datetime.timezone.utc)
-    return utc_time
+    return datetime.datetime.fromisoformat(query_time)
     
 def parse_beijing_time(query_time: str) -> datetime.datetime:
     '''
-    将一个 utc 的时间点，转换成北京时间
+    将一个 2025-02-09T15:45:00+00:00 的北京时间时间点
     '''
-    utc_time = datetime.datetime.fromisoformat(query_time)
-    beijing_time = utc_time.astimezone(datetime.timezone(datetime.timedelta(hours=8)))
-    return beijing_time
+    return datetime.strptime(query_time, "%Y-%m-%dT%H:%M:%S%z")
 
 def to_utc_time(dt: datetime.datetime) -> datetime.datetime:
     '''