diff --git a/db/save-token.js b/db/save-token.js
index c06eb32..996b8fb 100644
--- a/db/save-token.js
+++ b/db/save-token.js
@@ -2,9 +2,9 @@ import { connection } from "./connection.js";
 import { getTokenByUserId } from "./get-token.js";
 
 export async function saveToken(userId, token) {
-    const token = await getTokenByUserId(userId);
+    const existToken = await getTokenByUserId(userId);
 
-    if (!token){
+    if (!existToken){
       const [rows, fields] = await connection.execute('insert into tokens values(?, ?)', [userId, token]);
       console.log(`${new Date()}: ${userId} save Token`)
       return rows;