diff --git a/src/pages/auth/callback.vue b/src/pages/auth/callback.vue
index c7b0613..83a6227 100644
--- a/src/pages/auth/callback.vue
+++ b/src/pages/auth/callback.vue
@@ -12,18 +12,18 @@ import router from "@/router";
 const configStore = useConfigStore();
 const userStore = useUserStore();
 
-let discovery = await axios.get(configStore.oauth_discovery_url);
+const discovery = await axios.get(configStore.oauth_discovery_url);
 
-let local_code_verifier = localStorage.getItem(configStore.oauth_storage_key);
+const localCodeVerifier = localStorage.getItem(configStore.oauth_storage_key);
 
 // 从当前页面请求中获取 code
-let code = new URLSearchParams(window.location.search).get("code");
+const code = new URLSearchParams(window.location.search).get("code");
 
-let q = new URLSearchParams({
+const q = new URLSearchParams({
   client_id: configStore.oauth_client_id,
   grant_type: "authorization_code",
   redirect_uri: configStore.oauth_callback_url,
-  code_verifier: local_code_verifier || "",
+  code_verifier: localCodeVerifier || "",
   code: code || "",
 });
 
diff --git a/src/pages/auth/login.vue b/src/pages/auth/login.vue
index e76863c..cc5096a 100644
--- a/src/pages/auth/login.vue
+++ b/src/pages/auth/login.vue
@@ -9,11 +9,11 @@ import axios from "axios";
 import { useConfigStore } from "@/stores/config";
 const configStore = useConfigStore();
 
-let discovery = await axios.get(configStore.oauth_discovery_url);
+const discovery = await axios.get(configStore.oauth_discovery_url);
 
 function generateRandomString(length: number) {
   let text = "";
-  let possible =
+  const possible =
     "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
 
   for (let i = 0; i < length; i++) {
@@ -24,7 +24,7 @@ function generateRandomString(length: number) {
 }
 
 async function generateCodeChallenge(codeVerifier: string) {
-  let digest = await crypto.subtle.digest(
+  const digest = await crypto.subtle.digest(
     "SHA-256",
     new TextEncoder().encode(codeVerifier),
   );