diff --git a/examples/README.MD b/examples/README.MD
index b8dbe03d..4fdadade 100644
--- a/examples/README.MD
+++ b/examples/README.MD
@@ -1,5 +1 @@
-The examples is updating with master source code.
-Run with specific version e.g. v0.9.16 need to
-```
-git checkout v0.10.1
-```
+The examples are updating with master source code.
diff --git a/examples/query_snippet.py b/examples/query_snippet.py
index 67f5e63d..28bf598b 100644
--- a/examples/query_snippet.py
+++ b/examples/query_snippet.py
@@ -52,6 +52,7 @@ def get_sub_tag_stocks(tag="低空经济"):
 
 
 if __name__ == "__main__":
-    a = get_block_stocks()
-    b = get_sub_tag_stocks()
-    print(set(a) - set(b))
+    # a = get_block_stocks()
+    # b = get_sub_tag_stocks()
+    # print(set(a) - set(b))
+    print(Stock.query_data(provider="em", return_type="dict"))
diff --git a/examples/report_utils.py b/examples/report_utils.py
index 4c09984d..b16ae5d2 100644
--- a/examples/report_utils.py
+++ b/examples/report_utils.py
@@ -4,7 +4,7 @@
 from typing import Type
 
 from examples.tag_utils import group_stocks_by_tag, get_main_line_tags, get_main_line_hidden_tags
-from examples.utils import add_to_eastmoney, msg_group_stocks_by_topic
+from examples.utils import msg_group_stocks_by_topic
 from zvt import zvt_config
 from zvt.api import get_top_volume_entities, TopType
 from zvt.api.kdata import get_latest_kdata_date, get_kdata_schema, default_adjust_type
@@ -16,6 +16,7 @@
 from zvt.domain import StockNews
 from zvt.informer import EmailInformer
 from zvt.utils import date_time_by_interval
+from zvt.informer.inform_utils import add_to_eastmoney
 
 logger = logging.getLogger("__name__")
 
diff --git a/examples/reports/report_core_compay.py b/examples/reports/report_core_compay.py
index 430c4e3b..3e5915fd 100644
--- a/examples/reports/report_core_compay.py
+++ b/examples/reports/report_core_compay.py
@@ -6,12 +6,12 @@
 
 from examples.factors.fundamental_selector import FundamentalSelector
 from examples.reports import get_subscriber_emails, stocks_with_info
-from examples.utils import add_to_eastmoney
 from zvt import init_log, zvt_config
 from zvt.contract.api import get_entities
 from zvt.domain import Stock
 from zvt.factors.target_selector import TargetSelector
 from zvt.informer.informer import EmailInformer
+from zvt.informer.inform_utils import add_to_eastmoney
 from zvt.utils.time_utils import now_pd_timestamp, to_time_str
 
 logger = logging.getLogger(__name__)
diff --git a/examples/requirements.txt b/examples/requirements.txt
index b33a6107..290c539e 100644
--- a/examples/requirements.txt
+++ b/examples/requirements.txt
@@ -1,5 +1,4 @@
 zvt >= 0.10.1
 apscheduler >= 3.4.0
-eastmoneypy == 0.1.5
 tabulate>=0.8.8
 ta
\ No newline at end of file
diff --git a/examples/utils.py b/examples/utils.py
index 246e9bce..7710f550 100644
--- a/examples/utils.py
+++ b/examples/utils.py
@@ -2,47 +2,15 @@
 import json
 import logging
 import os
-import time
 
-import eastmoneypy
 import pandas as pd
-import requests
+
 from zvt.domain import StockNews, Stock, LimitUpInfo
 from zvt.utils import date_time_by_interval, today
 
 logger = logging.getLogger(__name__)
 
 
-def add_to_eastmoney(codes, group, entity_type="stock", over_write=True):
-    with requests.Session() as session:
-        codes = list(set(codes))
-        if over_write:
-            try:
-                eastmoneypy.del_group(group_name=group, session=session)
-            except:
-                pass
-        try:
-            eastmoneypy.create_group(group_name=group, session=session)
-        except:
-            pass
-
-        group_id = eastmoneypy.get_group_id(group, session=session)
-
-        for code in codes:
-            eastmoneypy.add_to_group(code=code, entity_type=entity_type, group_id=group_id, session=session)
-
-
-def clean_groups(keep=None):
-    if keep is None:
-        keep = ["自选股", "练气", "重要板块", "主线"]
-
-    with requests.Session() as session:
-        groups = eastmoneypy.get_groups(session=session)
-        groups_to_clean = [group["gid"] for group in groups if group["gname"] not in keep]
-        for gid in groups_to_clean:
-            eastmoneypy.del_group(group_id=gid, session=session)
-
-
 def get_hot_words_config():
     with open(os.path.join(os.path.dirname(__file__), "hot.json")) as f:
         return json.load(f)
diff --git a/examples/zhdate/__init__.py b/examples/zhdate/__init__.py
deleted file mode 100644
index 40a96afc..00000000
--- a/examples/zhdate/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-# -*- coding: utf-8 -*-
diff --git a/requirements.txt b/requirements.txt
index 11f8bea5..f47fdef4 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -15,4 +15,5 @@ dash_daq==0.5.0
 scikit-learn==1.2.1
 fastapi==0.110.0
 fastapi-pagination==0.12.23
-apscheduler==3.10.4
\ No newline at end of file
+apscheduler==3.10.4
+eastmoneypy==0.1.7
\ No newline at end of file
diff --git a/src/zvt/broker/qmt/qmt_quote.py b/src/zvt/broker/qmt/qmt_quote.py
index 2474665b..516540a1 100644
--- a/src/zvt/broker/qmt/qmt_quote.py
+++ b/src/zvt/broker/qmt/qmt_quote.py
@@ -1,30 +1,21 @@
 # -*- coding: utf-8 -*-
-import json
 import logging
 import time
-import datetime
+
 import numpy as np
 import pandas as pd
 from xtquant import xtdata
-from sqlalchemy import text
-from zvt.api import get_recent_report_date
-from zvt.common.query_models import TimeUnit
+
 from zvt.contract import IntervalLevel, AdjustType
-from zvt.contract.api import decode_entity_id, df_to_db, get_db_engine, get_schema_columns, get_db_session
+from zvt.contract.api import decode_entity_id, df_to_db, get_db_session
 from zvt.domain import StockQuote, Stock
 from zvt.utils import (
     to_time_str,
     current_date,
     to_pd_timestamp,
-    now_time_str,
-    date_time_by_interval,
     pd_is_not_null,
-    TIME_FORMAT_DAY,
-    TIME_FORMAT_MINUTE2,
 )
 
-from sqlalchemy.dialects.sqlite import insert
-
 # https://dict.thinktrader.net/nativeApi/start_now.html?id=e2M5nZ
 
 logger = logging.getLogger(__name__)
@@ -247,7 +238,14 @@ def download_capital_data():
     )
 
 
+def clear_history_quote():
+    session = get_db_session("qmt", data_schema=StockQuote)
+    session.query(StockQuote).filter(StockQuote.timestamp < current_date()).delete()
+    session.commit()
+
+
 if __name__ == "__main__":
+    clear_history_quote()
     Stock.record_data(provider="em")
     stocks = get_qmt_stocks()
     print(stocks)
diff --git a/src/zvt/contract/api.py b/src/zvt/contract/api.py
index 9d32176f..715fdfed 100644
--- a/src/zvt/contract/api.py
+++ b/src/zvt/contract/api.py
@@ -253,6 +253,13 @@ def get_by_id(data_schema, id: str, provider: str = None, session: Session = Non
     return session.query(data_schema).get(id)
 
 
+def _row2dict(row):
+    d = {}
+    for column in row.__table__.columns:
+        d[column.name] = getattr(row, column.name)
+    return d
+
+
 def get_data(
     data_schema: Type[Mixin],
     ids: List[str] = None,
@@ -376,7 +383,7 @@ def get_data(
         return query.all()
     elif return_type == "dict":
         domains = query.all()
-        return [item.__dict__ for item in domains]
+        return [_row2dict(item) for item in domains]
     elif return_type == "select":
         return query.selectable
 
diff --git a/src/zvt/fill_project.py b/src/zvt/fill_project.py
index e6cec900..d0a29b00 100644
--- a/src/zvt/fill_project.py
+++ b/src/zvt/fill_project.py
@@ -90,12 +90,12 @@ def gen_kdata_schemas():
     # zip_dir(ZVT_TEST_DATA_PATH, zip_file_name=DATA_SAMPLE_ZIP_PATH)
     # gen_exports("contract", export_modules=["schema"])
     # gen_exports("ml")
-    # gen_exports("utils")
+    gen_exports("utils", export_var=True)
     # gen_exports('informer')
     # gen_exports("api")
     # gen_exports('trader')
     # gen_exports('autocode')
-    # gen_exports("ml")
-    gen_kdata_schemas()
+    gen_exports("zhdate")
+    # gen_kdata_schemas()
     # gen_exports("recorders")
     # gen_exports("tag")
diff --git a/src/zvt/informer/inform_utils.py b/src/zvt/informer/inform_utils.py
new file mode 100644
index 00000000..a4fe4565
--- /dev/null
+++ b/src/zvt/informer/inform_utils.py
@@ -0,0 +1,54 @@
+# -*- coding: utf-8 -*-
+import eastmoneypy
+
+from zvt import zvt_config
+from zvt.contract.api import get_entities
+from zvt.informer import EmailInformer
+
+import requests
+
+
+def inform_email(entity_ids, entity_type, target_date, title, provider):
+    msg = "no targets"
+    if entity_ids:
+        entities = get_entities(provider=provider, entity_type=entity_type, entity_ids=entity_ids, return_type="domain")
+        assert len(entities) == len(entity_ids)
+
+        infos = [f"{entity.name}({entity.code})" for entity in entities]
+        msg = "\n".join(infos) + "\n"
+
+        EmailInformer().send_message(zvt_config["email_username"], f"{target_date} {title}", msg)
+
+
+def add_to_eastmoney(codes, group, entity_type="stock", over_write=True):
+    with requests.Session() as session:
+        codes = list(set(codes))
+        if over_write:
+            try:
+                eastmoneypy.del_group(group_name=group, session=session)
+            except:
+                pass
+        try:
+            eastmoneypy.create_group(group_name=group, session=session)
+        except:
+            pass
+
+        group_id = eastmoneypy.get_group_id(group, session=session)
+
+        for code in codes:
+            eastmoneypy.add_to_group(code=code, entity_type=entity_type, group_id=group_id, session=session)
+
+
+def clean_groups(keep):
+    if keep is None:
+        keep = ["自选股", "练气", "重要板块", "主线"]
+
+    with requests.Session() as session:
+        groups = eastmoneypy.get_groups(session=session)
+        groups_to_clean = [group["gid"] for group in groups if group["gname"] not in keep]
+        for gid in groups_to_clean:
+            eastmoneypy.del_group(group_id=gid, session=session)
+
+
+# the __all__ is generated
+__all__ = ["inform_email", "add_to_eastmoney", "clean_groups"]
diff --git a/src/zvt/utils/__init__.py b/src/zvt/utils/__init__.py
index 598f5cc3..7e3d1fe1 100644
--- a/src/zvt/utils/__init__.py
+++ b/src/zvt/utils/__init__.py
@@ -6,6 +6,12 @@
 # common code of the package
 # export interface in __all__ which contains __all__ of its sub modules
 
+# import all from submodule model_utils
+from .model_utils import *
+from .model_utils import __all__ as _model_utils_all
+
+__all__ += _model_utils_all
+
 # import all from submodule str_utils
 from .str_utils import *
 from .str_utils import __all__ as _str_utils_all
diff --git a/src/zvt/utils/inform_utils.py b/src/zvt/utils/inform_utils.py
deleted file mode 100644
index 0f21824e..00000000
--- a/src/zvt/utils/inform_utils.py
+++ /dev/null
@@ -1,16 +0,0 @@
-# -*- coding: utf-8 -*-
-from zvt import zvt_config
-from zvt.contract.api import get_entities
-from zvt.informer import EmailInformer
-
-
-def inform_email(entity_ids, entity_type, target_date, title, provider):
-    msg = "no targets"
-    if entity_ids:
-        entities = get_entities(provider=provider, entity_type=entity_type, entity_ids=entity_ids, return_type="domain")
-        assert len(entities) == len(entity_ids)
-
-        infos = [f"{entity.name}({entity.code})" for entity in entities]
-        msg = "\n".join(infos) + "\n"
-
-        EmailInformer().send_message(zvt_config["email_username"], f"{target_date} {title}", msg)
diff --git a/src/zvt/utils/model_utils.py b/src/zvt/utils/model_utils.py
index 37349f04..9690fa43 100644
--- a/src/zvt/utils/model_utils.py
+++ b/src/zvt/utils/model_utils.py
@@ -3,3 +3,7 @@ def update_model(db_model, schema):
     for key, value in schema.dict().items():
         if value is not None:
             setattr(db_model, key, value)
+
+
+# the __all__ is generated
+__all__ = ["update_model"]
diff --git a/src/zvt/utils/time_utils.py b/src/zvt/utils/time_utils.py
index 106349ac..dcdd9bb4 100644
--- a/src/zvt/utils/time_utils.py
+++ b/src/zvt/utils/time_utils.py
@@ -277,14 +277,17 @@ def count_interval(start_date, end_date):
     "TIME_FORMAT_DAY",
     "TIME_FORMAT_DAY1",
     "TIME_FORMAT_MINUTE",
+    "TIME_FORMAT_SECOND",
     "TIME_FORMAT_MINUTE1",
     "TIME_FORMAT_MINUTE2",
     "to_pd_timestamp",
+    "get_local_timezone",
     "to_timestamp",
     "now_timestamp",
     "now_pd_timestamp",
     "today",
     "current_date",
+    "tomorrow_date",
     "to_time_str",
     "now_time_str",
     "date_time_by_interval",
@@ -306,5 +309,4 @@ def count_interval(start_date, end_date):
     "is_in_same_interval",
     "split_time_interval",
     "count_interval",
-    "tomorrow_date",
 ]
diff --git a/src/zvt/utils/utils.py b/src/zvt/utils/utils.py
index 2170f2be..12f48025 100644
--- a/src/zvt/utils/utils.py
+++ b/src/zvt/utils/utils.py
@@ -312,6 +312,9 @@ def fill_dict(src, dst):
     "iterate_with_step",
     "url_unquote",
     "parse_url_params",
+    "set_one_and_only_one",
     "flatten_list",
+    "to_str",
     "compare_dicts",
+    "fill_dict",
 ]
diff --git a/src/zvt/zhdate/__init__.py b/src/zvt/zhdate/__init__.py
new file mode 100644
index 00000000..88f55c4e
--- /dev/null
+++ b/src/zvt/zhdate/__init__.py
@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# the __all__ is generated
+__all__ = []
+
+# __init__.py structure:
+# common code of the package
+# export interface in __all__ which contains __all__ of its sub modules
+
+# import all from submodule constants
+from .constants import *
+from .constants import __all__ as _constants_all
+
+__all__ += _constants_all
+
+# import all from submodule ztime
+from .ztime import *
+from .ztime import __all__ as _ztime_all
+
+__all__ += _ztime_all
+
+# import all from submodule zhdate
+from .zhdate import *
+from .zhdate import __all__ as _zhdate_all
+
+__all__ += _zhdate_all
diff --git a/examples/zhdate/constants.py b/src/zvt/zhdate/constants.py
similarity index 99%
rename from examples/zhdate/constants.py
rename to src/zvt/zhdate/constants.py
index 94e50a65..8bc0a6b3 100644
--- a/examples/zhdate/constants.py
+++ b/src/zvt/zhdate/constants.py
@@ -422,3 +422,5 @@
 """
 从1900年，至2100年每年的农历春节的公历日期
 """
+# the __all__ is generated
+__all__ = []
diff --git a/examples/zhdate/zhdate.py b/src/zvt/zhdate/zhdate.py
similarity index 98%
rename from examples/zhdate/zhdate.py
rename to src/zvt/zhdate/zhdate.py
index 2fa68b42..ea0296f1 100644
--- a/examples/zhdate/zhdate.py
+++ b/src/zvt/zhdate/zhdate.py
@@ -5,7 +5,7 @@
 from datetime import datetime, timedelta
 from itertools import accumulate
 
-from examples.zhdate.constants import CHINESEYEARCODE, CHINESENEWYEAR
+from zvt.zhdate.constants import CHINESEYEARCODE, CHINESENEWYEAR
 
 
 class ZhDate:
@@ -255,3 +255,7 @@ def month_days(year):
             [int] -- 农历年份所对应的农历月份天数列表
         """
         return ZhDate.decode(CHINESEYEARCODE[year - 1900])
+
+
+# the __all__ is generated
+__all__ = []
diff --git a/examples/ztime.py b/src/zvt/zhdate/ztime.py
similarity index 95%
rename from examples/ztime.py
rename to src/zvt/zhdate/ztime.py
index f4e5053d..365e754e 100644
--- a/examples/ztime.py
+++ b/src/zvt/zhdate/ztime.py
@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
-from examples.zhdate.zhdate import ZhDate
-
 from zvt.utils import to_pd_timestamp, current_date, count_interval
+from zvt.zhdate.zhdate import ZhDate
 
 
 def holiday_distance(timestamp=None, days=15):
@@ -65,3 +64,5 @@ def holiday_distance(timestamp=None, days=15):
     # for month in range(1, 13):
     #     holiday_distance(f"2023-{month}-15")
     #     holiday_distance(f"2023-{month}-20")
+# the __all__ is generated
+__all__ = ["holiday_distance"]