diff --git a/handler/ad.py b/handler/ad.py
index 5b74777..2501ad1 100644
--- a/handler/ad.py
+++ b/handler/ad.py
@@ -36,11 +36,12 @@ parser.add_argument('ad_url')
 parser.add_argument('ad_sort')
 parser.add_argument('status')
 parser.add_argument('companyid')
-mydb = MysqlBase(**mysql_promotion_config)
+
 
 class Ad(Resource):
 	def __init__(self):
 		self.args = parser.parse_args()
+		self.mydb = MysqlBase(**mysql_promotion_config)
 
 	def get(self):
 		status = self.args['status']
@@ -64,7 +65,7 @@ class Ad(Resource):
 		else:
 			sel_sql = f"select id,name,begin_time,end_time,ad_num,ad_title,ad_body,ad_image,ad_url,ad_sort," \
 				f"status,companyid,locationid,gameid from ad where id={id};"
-		data = mydb.query(sel_sql)
+		data = self.mydb.query(sel_sql)
 		log.info(f"sql={sel_sql},data={data}")
 		if data:
 			all = []
@@ -109,14 +110,14 @@ class Ad(Resource):
 		try:
 			check_sql = f"select id from ad where name='{ad['name']}' and gameid={ad['gameid']} and \
 			locationid={ad['locationid']} and companyid=ad['companyid']"
-			data = mydb.query(check_sql)
+			data = self.mydb.query(check_sql)
 			if data:
 				return jsonify({'code': 500, 'message': f"name={ad['name']} gameid={ad['gameid']} was in db!"})
 		except Exception:
 			log.error(f"check new id in db failed!", exc_info=True)
 			return jsonify({'code': 500, 'message': 'check data in db failed!'})
 		try:
-			mydb.insert('ad', ad)
+			self.mydb.insert('ad', ad)
 			return jsonify({'code': 200, 'message': 'add adid={id} success!'})
 		except Exception:
 			log.error("Insert ad to mysql failed!", exc_info=True)
@@ -124,7 +125,7 @@ class Ad(Resource):
 
 	def get_adid(self):
 		max_id = f"select id from ad order by id desc limit 1"
-		data = mydb.query(max_id)
+		data = self.mydb.query(max_id)
 		try:
 			max = int(data[0][0]) + 1
 			log.info(f"max id was {max}!")
@@ -152,10 +153,10 @@ class Ad(Resource):
 			ad['companyid'] = self.args['companyid']
 
 			sel_sql = f"select name from ad where id={self.args['id']};"
-			data = mydb.query(sel_sql)
+			data = self.mydb.query(sel_sql)
 			if data:
 				condition = f"id='{self.args['id']}'"
-				mydb.update("ad", ad, condition)
+				self.mydb.update("ad", ad, condition)
 				return jsonify({'code': 200, 'message': 'update adid={id} success!'})
 			else:
 				return jsonify({'code': 404, 'message': f"{self.args['id']} not found in mysql!"})
@@ -170,7 +171,7 @@ class Ad(Resource):
 			return jsonify({'code': 404, 'message': f'{id} not found!'})
 		del_sql = f"delete from ad where id={id};"
 		try:
-			mydb.change(del_sql)
+			self.mydb.change(del_sql)
 			return jsonify({'code': 200, 'message': f'remove adid={id} success!'})
 		except Exception:
 			log.error("remove id from ad failed!", exc_info=True)
diff --git a/handler/company.py b/handler/company.py
index 2e0596c..96aaa6e 100644
--- a/handler/company.py
+++ b/handler/company.py
@@ -20,12 +20,13 @@ parser.add_argument('appkey')
 parser.add_argument('status')
 parser.add_argument('tel')
 parser.add_argument('user')
-mydb = MysqlBase(**mysql_promotion_config)
+
 
 
 class Company(Resource):
 	def __init__(self):
 		self.args = parser.parse_args()
+		self.mydb = MysqlBase(**mysql_promotion_config)
 
 
 	def get(self):
@@ -42,7 +43,7 @@ class Company(Resource):
 				sql = f"select id,name,contact,tel,appid,appkey,status,user from company where user='{user}';"
 			else:
 				sql = f"select id,name,contact,tel,appid,appkey,status,user from company ;"
-			data = mydb.query(sql)
+			data = self.mydb.query(sql)
 
 			log.info(f"get data from db was {data}")
 			if data:
@@ -65,7 +66,7 @@ class Company(Resource):
 		id = self.args['id']
 		try:
 			del_sql = f'delete from company where id={id};'
-			mydb.query(del_sql)
+			self.mydb.query(del_sql)
 		except Exception:
 			log.error(f"remove {id} failed!", exc_info=True)
 			return jsonify({'code': 500})
@@ -80,14 +81,14 @@ class Company(Resource):
 		appid = self.get_random()
 		# check appid not in db
 		check_appid = f"select appid from company where appid='{appid}'"
-		data = mydb.query(check_appid)
+		data = self.mydb.query(check_appid)
 		if data:
 			self.get_appid()
 		return appid
 
 	def get_companyid(self):
 		max_id = f"select id from company order by id desc limit 1"
-		data = mydb.query(max_id)
+		data = self.mydb.query(max_id)
 		log.info(f"1 {data}")
 		try:
 			max = int(data[0][0]) + 1
@@ -108,7 +109,7 @@ class Company(Resource):
 			company['id'] = self.get_companyid()
 			company['appid'] = self.get_appid()
 			company['appkey'] = 'undefined'
-			mydb.insert("company", company)
+			self.mydb.insert("company", company)
 		except Exception:
 			log.error("set values to company mysql failed!", exc_info=True)
 			return jsonify({'code': 500})
@@ -128,10 +129,10 @@ class Company(Resource):
 			company['appkey'] = self.args['appkey']
 
 			sel_sql = f"select name from company where id={self.args['id']};"
-			data = mydb.query(sel_sql)
+			data = self.mydb.query(sel_sql)
 			if data:
 				condition = f"id='{self.args['id']}'"
-				mydb.update("company", company, condition)
+				self.mydb.update("company", company, condition)
 				return jsonify({'code': 200})
 			else:
 				return jsonify({'code': 404, 'message': f"{self.args['id']} not found in mysql!"})