diff --git a/routes/balance.py b/routes/balance.py
index 6220a7b..111bd29 100644
--- a/routes/balance.py
+++ b/routes/balance.py
@@ -87,7 +87,7 @@ def find(id, req: Request, resp: Response):
 		"respond_time": "{}ms".format(round((datetime.now().microsecond / 1000) - started))
 	}
 
-@router.patch("/balance/{id}")
+@router.put("/balance/{id}")
 def update(id, balance: UpdateForm, req: Request, resp: Response):
 	started = datetime.now().microsecond / 1000
 	auth = AuthService()
diff --git a/service/balance_service.py b/service/balance_service.py
index 0512138..005c553 100644
--- a/service/balance_service.py
+++ b/service/balance_service.py
@@ -86,7 +86,7 @@ class BalanceService:
 		ok = True
 		cur = self._conn.cursor()
 		try:
-			cur.execute(f"update balset set name = %s, date = %s, price = %s, buy = %s, memo = %s where id = %s;", (
+			cur.execute("update balset set name = %s, date = %s, price = %s, buy = %s, memo = %s where id = %s;", (
 				balance.name,
 				balance.date,
 				balance.price,