diff --git a/crypto_monitor_binance/templates/login.html b/crypto_monitor_binance/templates/login.html
index ee04515..8b6ea41 100644
--- a/crypto_monitor_binance/templates/login.html
+++ b/crypto_monitor_binance/templates/login.html
@@ -120,14 +120,14 @@
                 <div class="flash">{{ messages[0] }}</div>
             {% endif %}
         {% endwith %}
-        <form method="POST">
+        <form method="POST" autocomplete="off">
             <div class="form-group">
                 <label>账号</label>
-                <input type="text" name="username" required placeholder="请输入账号">
+                <input type="text" name="username" required placeholder="请输入账号" autocomplete="off" autocapitalize="off" spellcheck="false">
             </div>
             <div class="form-group">
                 <label>密码</label>
-                <input type="password" name="password" required placeholder="请输入密码">
+                <input type="password" name="password" required placeholder="请输入密码" autocomplete="new-password">
             </div>
             <button type="submit">登录</button>
         </form>
diff --git a/crypto_monitor_gate/templates/login.html b/crypto_monitor_gate/templates/login.html
index ee04515..8b6ea41 100644
--- a/crypto_monitor_gate/templates/login.html
+++ b/crypto_monitor_gate/templates/login.html
@@ -120,14 +120,14 @@
                 <div class="flash">{{ messages[0] }}</div>
             {% endif %}
         {% endwith %}
-        <form method="POST">
+        <form method="POST" autocomplete="off">
             <div class="form-group">
                 <label>账号</label>
-                <input type="text" name="username" required placeholder="请输入账号">
+                <input type="text" name="username" required placeholder="请输入账号" autocomplete="off" autocapitalize="off" spellcheck="false">
             </div>
             <div class="form-group">
                 <label>密码</label>
-                <input type="password" name="password" required placeholder="请输入密码">
+                <input type="password" name="password" required placeholder="请输入密码" autocomplete="new-password">
             </div>
             <button type="submit">登录</button>
         </form>
diff --git a/crypto_monitor_gate_bot/templates/login.html b/crypto_monitor_gate_bot/templates/login.html
index ee04515..8b6ea41 100644
--- a/crypto_monitor_gate_bot/templates/login.html
+++ b/crypto_monitor_gate_bot/templates/login.html
@@ -120,14 +120,14 @@
                 <div class="flash">{{ messages[0] }}</div>
             {% endif %}
         {% endwith %}
-        <form method="POST">
+        <form method="POST" autocomplete="off">
             <div class="form-group">
                 <label>账号</label>
-                <input type="text" name="username" required placeholder="请输入账号">
+                <input type="text" name="username" required placeholder="请输入账号" autocomplete="off" autocapitalize="off" spellcheck="false">
             </div>
             <div class="form-group">
                 <label>密码</label>
-                <input type="password" name="password" required placeholder="请输入密码">
+                <input type="password" name="password" required placeholder="请输入密码" autocomplete="new-password">
             </div>
             <button type="submit">登录</button>
         </form>
diff --git a/crypto_monitor_okx/templates/login.html b/crypto_monitor_okx/templates/login.html
index 5e45906..39ec256 100644
--- a/crypto_monitor_okx/templates/login.html
+++ b/crypto_monitor_okx/templates/login.html
@@ -109,14 +109,14 @@
                 <div class="flash">{{ messages[0] }}</div>
             {% endif %}
         {% endwith %}
-        <form method="POST">
+        <form method="POST" autocomplete="off">
             <div class="form-group">
                 <label>账号</label>
-                <input type="text" name="username" required placeholder="请输入账号">
+                <input type="text" name="username" required placeholder="请输入账号" autocomplete="off" autocapitalize="off" spellcheck="false">
             </div>
             <div class="form-group">
                 <label>密码</label>
-                <input type="password" name="password" required placeholder="请输入密码">
+                <input type="password" name="password" required placeholder="请输入密码" autocomplete="new-password">
             </div>
             <button type="submit">登录</button>
         </form>
diff --git a/manual_trading_hub/hub.py b/manual_trading_hub/hub.py
index ac4e293..4eac354 100644
--- a/manual_trading_hub/hub.py
+++ b/manual_trading_hub/hub.py
@@ -613,7 +613,6 @@ def api_auth_status(request: Request):
     return {
         "required": required,
         "logged_in": logged_in,
-        "username_hint": expected_username() if required else None,
     }
 
 
diff --git a/manual_trading_hub/static/login.html b/manual_trading_hub/static/login.html
index 07ecbe5..ebba53f 100644
--- a/manual_trading_hub/static/login.html
+++ b/manual_trading_hub/static/login.html
@@ -38,14 +38,14 @@
         <div class="login-sub">CRYPTO MONITOR · COMMAND</div>
       </div>
     </div>
-    <form id="login-form" class="login-form" autocomplete="on">
+    <form id="login-form" class="login-form" autocomplete="off">
       <label class="field">
         <span>用户名</span>
-        <input type="text" name="username" id="login-username" required autocomplete="username" />
+        <input type="text" name="username" id="login-username" required autocomplete="off" autocapitalize="off" spellcheck="false" />
       </label>
       <label class="field">
         <span>密码</span>
-        <input type="password" name="password" id="login-password" required autocomplete="current-password" />
+        <input type="password" name="password" id="login-password" required autocomplete="new-password" />
       </label>
       <button type="submit" class="primary login-submit" id="login-submit">进入系统</button>
       <p id="login-err" class="login-err" hidden></p>
@@ -113,7 +113,6 @@
         .then((r) => r.json())
         .then((s) => {
           if (!s.required || s.logged_in) gotoAfterLogin(null, next);
-          if (s.username_hint && !userInput.value) userInput.value = s.username_hint;
         })
         .catch(() => {});