diff --git a/back/services/auth.ts b/back/services/auth.ts
index a2a47cd9..849c0c1a 100644
--- a/back/services/auth.ts
+++ b/back/services/auth.ts
@@ -39,6 +39,17 @@ export default class AuthService {
       ) {
         return this.initAuthInfo();
       }
+      if (retries > 2 && Date.now() - lastlogon < Math.pow(3, retries) * 1000) {
+        return {
+          code: 410,
+          message: `失败次数过多，请${Math.round(
+            (Math.pow(3, retries) * 1000 - Date.now() + lastlogon) / 1000,
+          )}秒后重试`,
+          data: Math.round(
+            (Math.pow(3, retries) * 1000 - Date.now() + lastlogon) / 1000,
+          ),
+        };
+      }
       if (username === cUsername && password === cPassword) {
         const data = createRandomString(50, 100);
         let token = jwt.sign({ data }, config.secret as any, {
@@ -68,20 +79,6 @@ export default class AuthService {
             lastaddr: address,
           }),
         );
-        if (
-          retries > 2 &&
-          Date.now() - lastlogon < Math.pow(3, retries) * 1000
-        ) {
-          return {
-            code: 410,
-            message: `失败次数过多，请${Math.round(
-              (Math.pow(3, retries) * 1000 - Date.now() + lastlogon) / 1000,
-            )}秒后重试`,
-            data: Math.round(
-              (Math.pow(3, retries) * 1000 - Date.now() + lastlogon) / 1000,
-            ),
-          };
-        }
         return { code: 400, message: config.authError };
       }
     } else {
diff --git a/src/pages/login/index.tsx b/src/pages/login/index.tsx
index d9cc7143..a8046beb 100644
--- a/src/pages/login/index.tsx
+++ b/src/pages/login/index.tsx
@@ -107,6 +107,7 @@ const Login = () => {
                   <Countdown
                     valueStyle={{ color: 'rgba(232, 230, 227, 0.25)' }}
                     className="inline-countdown"
+                    onFinish={() => setWaitTime(null)}
                     format="ss"
                     value={Date.now() + 1000 * waitTime}
                   />