diff --git a/main.py b/main.py
index a37d181..896e7bf 100644
--- a/main.py
+++ b/main.py
@@ -159,12 +159,10 @@ async def log_requests(request: Request, call_next):
 
 @app.on_event("startup")
 async def startup_db():
-    logger.info('\n')
     logger.info('**********************************************************')
     logger.info(str(datetime.now()))
     logger.info("TJWater CloudService is starting...")
     logger.info('**********************************************************')
-    logger.info('\n')
 
     # open 'bb' by default
     open_project("bb")
@@ -2326,18 +2324,23 @@ async def fastapi_query_all_records_by_time(querytime: str) -> dict[str, list]:
 async def fastapi_query_all_records_by_date(querydate: str) -> dict[str, list]:
     # 缓存查询结果提高性能
     global redis_client
-    cache_key = f"queryallrecordsbydate_{querydate}"
-    data = redis_client.get(cache_key)
-    if data:
-        # 使用自定义的反序列化函数
-        loaded_dict = msgpack.unpackb(data, object_hook=decode_datetime)
-        return loaded_dict
+
+    # 今天的不要去缓存
+    if not time_api.is_today(querydate):
+        cache_key = f"queryallrecordsbydate_{querydate}"
+        data = redis_client.get(cache_key)
+        if data:
+            # 使用自定义的反序列化函数
+            loaded_dict = msgpack.unpackb(data, object_hook=decode_datetime)
+            return loaded_dict
 
     nodes_links: tuple = influxdb_api.query_all_records_by_date(query_date=querydate)
     results = { "nodes": nodes_links[0],
                 "links": nodes_links[1] }
 
-    redis_client.set(cache_key, msgpack.packb(results, default=encode_datetime))
+    # 今天的不要去缓存
+    if not time_api.is_today(querydate):
+        redis_client.set(cache_key, msgpack.packb(results, default=encode_datetime))
 
     return results
 
diff --git a/time_api.py b/time_api.py
index 70723ec..b4eaf9b 100644
--- a/time_api.py
+++ b/time_api.py
@@ -112,3 +112,26 @@ def get_date_from_time(time: str) -> str:
     return str(dt.date())
 
 
+def is_today(query_date: str) -> bool:
+    '''
+    判断一个日期是否是今天
+    '''
+    dt = parse_beijing_time(query_date)
+    return dt.date() == datetime.now().date()
+
+
+def is_yesterday(query_date: str) -> bool:
+    '''
+    判断一个日期是否是昨天
+    '''
+    dt = parse_beijing_time(query_date)
+    return dt.date() == (datetime.now().date() - timedelta(days=1))
+
+def is_tomorrow(query_date: str) -> bool:
+    '''
+    判断一个日期是否是明天
+    '''
+    dt = parse_beijing_time(query_date)
+    return dt.date() == (datetime.now().date() + timedelta(days=1))
+
+