diff --git a/app/stage/auth.html b/app/stage/auth.html
index 493df8a00..c4239b94f 100644
--- a/app/stage/auth.html
+++ b/app/stage/auth.html
@@ -148,7 +148,7 @@
     <h1 style="margin-bottom: 48px;">思源 SiYuan</h1>
     <input class="b3-text-filed" id="authCode" type="password" placeholder="授权码 Auth code"/><br>
     <div style="position: relative;width: 240px;margin: 8px auto 0;display: none">
-        <img id="captchaImg" style="top: 1px;position: absolute;height: 28px;right: 1px;">
+        <img id="captchaImg" style="top: 1px;position: absolute;height: 28px;right: 1px;cursor: pointer">
         <input id="captcha" class="b3-text-filed" placeholder="验证码 Captcha">
     </div>
     <button class="b3-button" onclick="submitAuth()">解锁 Unlock</button>
@@ -457,6 +457,10 @@
     }
   })
 
+  captchaElement.previousElementSibling.addEventListener('click', function () {
+    this.src = '/api/system/getCaptcha'
+  })
+
   const submitAuth = () => {
     fetch('/api/system/loginAuth', {
       method: 'POST',
@@ -483,6 +487,7 @@
       document.querySelector('#message').classList.add('b3-snackbar--show')
       document.querySelector('#message').firstElementChild.textContent = response.msg
       inputElement.value = ''
+      inputElement.focus()
       setTimeout(() => {
         document.querySelector('#message').classList.remove('b3-snackbar--show')
         document.querySelector('#message').firstElementChild.textContent = ''