diff --git a/src/server/config.py b/src/server/config.py
new file mode 100644
index 0000000..41bc816
--- /dev/null
+++ b/src/server/config.py
@@ -0,0 +1,8 @@
+import configparser
+_config = configparser.ConfigParser()
+
+def set_configure(file_path):
+    _config.read(file_path)
+
+def get(section,item):
+    return _config[section][item]
\ No newline at end of file
diff --git a/src/server/db/__init__.py b/src/server/db/__init__.py
new file mode 100644
index 0000000..9a046b8
--- /dev/null
+++ b/src/server/db/__init__.py
@@ -0,0 +1,5 @@
+from db.model import Base
+from db.connector import engine
+
+print("initiating db..")
+Base.metadata.create_all(engine)
diff --git a/src/server/db/connector.py b/src/server/db/connector.py
new file mode 100644
index 0000000..7cd878e
--- /dev/null
+++ b/src/server/db/connector.py
@@ -0,0 +1,5 @@
+from sqlalchemy import create_engine
+from sqlalchemy.orm import sessionmaker
+
+engine = create_engine("mysql+pymysql://dmy:abc123+_@127.0.0.1/compare", echo=True)
+Session = sessionmaker(bind=engine)
diff --git a/src/server/db/model.py b/src/server/db/model.py
new file mode 100644
index 0000000..2111093
--- /dev/null
+++ b/src/server/db/model.py
@@ -0,0 +1,30 @@
+# from flask_sqlalchemy import SQLAlchemy
+# from flask import Flask
+
+# # import sqlalchmy as sql
+
+# app = Flask(__name__)
+# app.config["SQLALCHEMY_DATABASE_URI"] = "sqlite:////tmp/test.db"
+# db = SQLAlchemy(app)
+
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy import Column, Integer, Text, DATETIME, CHAR
+from db.connector import engine
+from db.connector import Session
+
+Base = declarative_base()
+
+
+class Pic(Base):
+    __tablename__ = "pic"
+    id = Column(Integer, primary_key=True)
+    md5 = Column(CHAR(length=34))
+    path = Column(Text)
+    time = Column(DATETIME)
+
+
+def add_pic(md5,path,time):
+    session=Session()
+    pic=Pic(md5=md5,path=path,time=time)
+    session.add(pic)
+    session.commit()
\ No newline at end of file
diff --git a/src/server/util.py b/src/server/util.py
new file mode 100644
index 0000000..06e634a
--- /dev/null
+++ b/src/server/util.py
@@ -0,0 +1,14 @@
+import hashlib
+import datetime
+
+
+def md5(binary_obj):
+    m = hashlib.md5()
+    m.update(binary_obj)
+    return m.hexdigest()
+
+
+def utc_now():
+    now = datetime.datetime.now()
+    return now - datetime.timedelta(hours=8)
+