diff --git a/src/vendor/tianai-captcha/captcha/captcha.less b/src/vendor/tianai-captcha/captcha/captcha.less
index 29f7b8a..cfcdc3b 100644
--- a/src/vendor/tianai-captcha/captcha/captcha.less
+++ b/src/vendor/tianai-captcha/captcha/captcha.less
@@ -44,7 +44,6 @@
     left: 0;
     position: absolute;
     border-radius: 6px;
-    //background-image: url("");
   }
 
   .slider-bottom {
diff --git a/src/vendor/tianai-captcha/captcha/rotate/rotate.less b/src/vendor/tianai-captcha/captcha/rotate/rotate.less
index 441f2b0..6190b59 100644
--- a/src/vendor/tianai-captcha/captcha/rotate/rotate.less
+++ b/src/vendor/tianai-captcha/captcha/rotate/rotate.less
@@ -1,7 +1,6 @@
 #tianai-captcha.tianai-captcha-rotate {
   .rotate-img-div {
     height: 100%;
-    /*position: absolute;*/
     text-align: center;
     img {
       height: 100%;
diff --git a/src/views/debug/CaptchaSandbox.vue b/src/views/debug/CaptchaSandbox.vue
index eec2fd3..8d8ea2f 100644
--- a/src/views/debug/CaptchaSandbox.vue
+++ b/src/views/debug/CaptchaSandbox.vue
@@ -28,7 +28,7 @@
         <template #header>
           <div class="panel-title">验证码预览</div>
         </template>
-        <div ref="captchaBoxRef" id="captcha-sandbox-box" class="captcha-box"></div>
+        <div ref="captchaBoxRef" class="captcha-box"></div>
       </el-card>
     </div>
   </div>