diff --git a/Makefile b/Makefile
deleted file mode 100644
index 8b13789..0000000
--- a/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-
diff --git a/generate.py b/generate.py
index bf12fc2..051cb69 100644
--- a/generate.py
+++ b/generate.py
@@ -1,42 +1,55 @@
-import psycopg2
+import psycopg2, os
+from getpass import getpass
 from util.config import conn_param
 
 def __main__():
 	conn = psycopg2.connect(conn_param)
 	cur = conn.cursor()
 
-	cur.execute(
-		"""
-		create table account(
-			name varchar(25),
-			username varchar(25) primary key,
-			password varchar(50) not null,
-			salt varchar(50)
-			unique(username)
-		);
-		"""
-	)
+	try:
+		open("./load.txt", "r")
+		print("server already initialized")
+	except: 
+		cur.execute(
+			"""
+			create table account(
+				name varchar(25),
+				username varchar(25),
+				password varchar(50) not null,
+				salt varchar(50),
+				primary key(username)
+			);
+			"""
+		)
 
-	cur.execute(
-		"""
-		create table balset(
-			id serial primary key,
-			uid varchar(25) not null,
-			name varchar(50),
-			date bigint,
-			price bigint,
-			memo varchar(300),
-			constraint FK_Account_ID
-				foreign key (uid)
-				references account(username)
-				on delete CASCADE
-		);
-		"""
-	)
+		cur.execute(
+			"""
+			create table balset(
+				id serial primary key,
+				uid varchar(25) not null,
+				name varchar(50),
+				date bigint,
+				price bigint,
+				buy boolean,
+				memo varchar(300),
+				constraint FK_Account_ID
+					foreign key (uid)
+					references account(username)
+					on delete CASCADE
+			);
+			"""
+		)
 
-	conn.commit()
-	
-	cur.close()
-	conn.close()
+		conn.commit()
+
+		name = input("input your display name: ")
+		username = input("input your username: ")
+		password = getpass("input your password: ")
+		passchk = getpass("type password one more time: ")
+
+		cur.close()
+		conn.close()
+		f = open("load.txt", "w")
+		f.write("init=true")
 
 __main__()
diff --git a/load.txt b/load.txt
new file mode 100644
index 0000000..c254184
--- /dev/null
+++ b/load.txt
@@ -0,0 +1 @@
+init=true
\ No newline at end of file
diff --git a/routes/auth.py b/routes/auth.py
index dca351c..145871e 100644
--- a/routes/auth.py
+++ b/routes/auth.py
@@ -5,4 +5,5 @@ router = APIRouter()
 
 @router.post("/auth/login")
 def login(auth: Credential):
+
 	return {"ok": 1, "token": "Basic {}"}
diff --git a/routes/balance.py b/routes/balance.py
index 1a9bfce..cd16b49 100644
--- a/routes/balance.py
+++ b/routes/balance.py
@@ -19,6 +19,7 @@ def insert(balance: Balance, resp: Response):
 	return {
 		"ok": 1,
 		"name": balance.name,
+		"is_buy": balance.buy,
 		"respond_time": "{}ms".format(round((datetime.now().microsecond / 1000) - started))
 	}
 
@@ -26,10 +27,9 @@ def insert(balance: Balance, resp: Response):
 def query(id, resp: Response):
 	started = datetime.now().microsecond / 1000
 	service = BalanceService()
-
-	try:
-		data = service.read(int(id))
-	except:
+	data = service.read(int(id))
+	
+	if data == None:
 		resp.status_code = 204
 		return {"ok": 0, "errno": "id '{}' result is not found".format(id)}
 
@@ -43,7 +43,7 @@ def query(id, resp: Response):
 @router.patch("/balance/{action}/{id}")
 def update(action, id, balance: UpdateForm, resp: Response):
 	service = BalanceService()
-	if action != "name" and action != "date" and action != "price" and action != "memo":
+	if action != "name" and action != "date" and action != "price" and action != "buy" and action != "memo":
 		print(action)
 		print(id)
 		resp.status_code = 400
@@ -71,10 +71,12 @@ def update(action, id, balance: UpdateForm, resp: Response):
 
 	ok = service.update(
 		int(id),
-		action, {
+		action,
+		{
 			"name": balance.name,
 			"date": balance.date,
 			"price": balance.price,
+			"buy": balance.buy,
 			"memo": balance.memo
 		}
 	)
diff --git a/service/balance_service.py b/service/balance_service.py
index d6d25e1..c67b82f 100644
--- a/service/balance_service.py
+++ b/service/balance_service.py
@@ -6,12 +6,14 @@ class Balance(BaseModel):
 	name: str
 	date: int
 	price: int
+	buy: bool = True
 	memo: str = ""
 
 class UpdateForm(BaseModel):
 	name: str = ""
 	date: int = 0
 	price: int = 0
+	buy: bool = True
 	memo: str = ""
 
 class BalanceService:
@@ -23,8 +25,8 @@ class BalanceService:
 		cur = self._conn.cursor()
 		try:
 			cur.execute(
-				"insert into balset(name, date, price, memo) values (%s, %s, %s, %s);",
-				(balance.name, balance.date, balance.price, balance.memo)
+				"insert into balset(name, date, price, buy, memo) values (%s, %s, %s, %s, %s);",
+				(balance.name, balance.date, balance.price, balance.buy, balance.memo)
 			)
 
 			self._conn.commit()
@@ -44,7 +46,7 @@ class BalanceService:
 		data = cur.fetchone()
 		
 		if data == None:
-			raise RuntimeError("data not found")
+			return None
 		
 		cur.close()
 		self._conn.close()
@@ -54,7 +56,8 @@ class BalanceService:
 			"name": data[1],
 			"date": data[2],
 			"price": data[3],
-			"memo": data[4]
+			"buy": data[4],
+			"memo": data[5]
 		}
 	
 	def update(self, id: int, act: str, balance: UpdateForm):