diff --git a/common/birdxplorer_common/storage.py b/common/birdxplorer_common/storage.py
index 0b821e2..524c168 100644
--- a/common/birdxplorer_common/storage.py
+++ b/common/birdxplorer_common/storage.py
@@ -52,6 +52,7 @@ class Base(DeclarativeBase):
         HttpUrl: String,
         NonNegativeInt: DECIMAL,
         MediaDetails: JSON,
+        BinaryBool: String
     }
 
 
diff --git a/etl/pyproject.toml b/etl/pyproject.toml
index b6a97af..e430be7 100644
--- a/etl/pyproject.toml
+++ b/etl/pyproject.toml
@@ -11,7 +11,7 @@ authors = [
     {name = "yu23ki14"}
 ]
 dependencies = [
-    "birdxplorer_common @ git+https://github.com/codeforjapan/BirdXplorer.git@feature/issue-53-divide-python-packages#subdirectory=common",
+    "birdxplorer_common[dev] @ git+https://github.com/codeforjapan/BirdXplorer.git@etl/main#subdirectory=common",
     "pandas",
     "sqlalchemy",
     "requests",
diff --git a/etl/src/extract.py b/etl/src/extract.py
index 0c6ef1e..94bccb8 100644
--- a/etl/src/extract.py
+++ b/etl/src/extract.py
@@ -1,26 +1,27 @@
-import birdxplorer_common.models
+from birdxplorer_common.storage import RowNoteRecord
 from prefect import get_run_logger
 import requests
 from datetime import datetime, timedelta
 import csv
-import birdxplorer_common
-from typing import List
 import stringcase
+from sqlalchemy.orm import Session
 import settings
-from lib.sqlite.init import init_db 
 
-def extract_data():
+def extract_data(db: Session):
     logger = get_run_logger()
     logger.info("Downloading community notes data")
 
-    db = init_db()
-
-    # 最新のNoteデータを取得
+    # Noteデータを取得してSQLiteに保存
     date = datetime.now()
+    latest_note = db.query(RowNoteRecord).order_by(RowNoteRecord.created_at_millis.desc()).first()
+        
     while True:
+        if latest_note and int(latest_note.created_at_millis) / 1000 > datetime.timestamp(date) - 24 * 60 * 60 * settings.COMMUNITY_NOTE_DAYS_AGO:
+            break
         url = f'https://ton.twimg.com/birdwatch-public-data/{date.strftime("%Y/%m/%d")}/notes/notes-00000.tsv'
         logger.info(url)
         res = requests.get(url)
+
         if res.status_code == 200:
             # res.contentをdbのNoteテーブル
             tsv_data = res.content.decode('utf-8').splitlines()
@@ -28,13 +29,14 @@ def extract_data():
             reader.fieldnames = [stringcase.snakecase(field) for field in reader.fieldnames]
 
             for row in reader:
-                db.add(row)
+                db.add(RowNoteRecord(**row))
             break
         date = date - timedelta(days=1)
     
     db.commit()
 
-    db.query(birdxplorer_common.models.Note).first()
+    row1 = db.query(RowNoteRecord).first()
+    logger.info(row1)
 
     # # Noteに紐づくtweetデータを取得
     # for note in notes_data:
diff --git a/etl/src/lib/sqlite/init.py b/etl/src/lib/sqlite/init.py
index 599f351..b5d72fe 100644
--- a/etl/src/lib/sqlite/init.py
+++ b/etl/src/lib/sqlite/init.py
@@ -3,15 +3,23 @@
 from sqlalchemy.orm import sessionmaker
 import os
 from prefect import get_run_logger
-from birdxplorer_common.storage import Row
+from birdxplorer_common.storage import RowNoteRecord
+from sqlalchemy import inspect
 
 def init_db():
     logger = get_run_logger()
 
+    # ToDo: dbファイルをS3など外部に置く必要がある。
     db_path = os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..', '..', 'data', 'note.db'))
     logger.info(f'Initializing database at {db_path}')
     engine = create_engine('sqlite:///' + db_path)
-    Base.metadata.create_all(engine)
+
+    # 一時データベースのテーブル作成する
+    # ToDo: noteテーブル以外に必要なものを追加
+    if not inspect(engine).has_table('note'):
+        logger.info('Creating table note')
+        RowNoteRecord.metadata.create_all(engine)
+
     Session = sessionmaker(bind=engine)
 
     return Session()
diff --git a/etl/src/main.py b/etl/src/main.py
index 16ff236..aa996a4 100644
--- a/etl/src/main.py
+++ b/etl/src/main.py
@@ -2,10 +2,17 @@
 from extract import extract_data
 from transform import transform_data
 from load import load_data
+from lib.sqlite.init import init_db
+from sqlalchemy.orm import Session
 
 @task
-def extract():
-    extract_data()
+def initialize():
+    db = init_db()
+    return {'db': db}
+
+@task
+def extract(db: Session):
+    extract_data(db)
 
 @task
 def transform():
@@ -17,7 +24,8 @@ def load():
 
 @flow
 def run_etl():
-    e = extract()
+    i = initialize()
+    e = extract(i['db'])
     t = transform()
     l = load()
 
diff --git a/etl/src/settings.py b/etl/src/settings.py
index 6844a24..de82397 100644
--- a/etl/src/settings.py
+++ b/etl/src/settings.py
@@ -1,2 +1,5 @@
 TARGET_TWITTER_POST_START_UNIX_MILLISECOND = 1577836800000
-TARGET_TWITTER_POST_END_UNIX_MILLISECOND = 1577836799000
\ No newline at end of file
+TARGET_TWITTER_POST_END_UNIX_MILLISECOND = 1577836799000
+
+# Extractで何日前のデータを最新と定義するか。開発中は3日前が楽。
+COMMUNITY_NOTE_DAYS_AGO=3
\ No newline at end of file