diff --git a/.copilot-temp/submit-ace-smoke.html b/.copilot-temp/submit-ace-smoke.html
deleted file mode 100644
index c799eb5..0000000
--- a/.copilot-temp/submit-ace-smoke.html
+++ /dev/null
@@ -1,71 +0,0 @@
-<!DOCTYPE html>
-<html lang="zh-CN">
-<head>
-  <meta charset="UTF-8">
-  <title>Submit Ace Smoke</title>
-  <style>
-    body {
-      margin: 0;
-      padding: 24px;
-      background: #f4f7fb;
-      font-family: "Segoe UI", sans-serif;
-    }
-
-    #source {
-      width: 100%;
-      height: 320px;
-      border: 1px solid #d4d4d5;
-      border-radius: 6px;
-    }
-
-    #hide_source {
-      width: 100%;
-      height: 140px;
-      margin-top: 16px;
-    }
-  </style>
-</head>
-<body>
-  <pre id="source">#include &lt;bits/stdc++.h&gt;
-
-int main() {
-    return 0;
-}
-</pre>
-  <textarea id="hide_source"></textarea>
-  <script src="../web/ace/ace.js"></script>
-  <script src="../web/ace/ext-language_tools.js"></script>
-  <script>
-    ace.config.set('basePath', '../web/ace');
-    var sourceElement = document.getElementById('source');
-    var hiddenSourceElement = document.getElementById('hide_source');
-    var initialSourceCode = sourceElement ? (sourceElement.textContent || sourceElement.innerText || '') : '';
-    var editor = ace.edit('source');
-
-    editor.setTheme('ace/theme/xcode');
-    editor.setShowPrintMargin(false);
-    editor.setBehavioursEnabled(true);
-    editor.session.setUseWrapMode(true);
-    editor.session.setTabSize(4);
-    editor.session.setUseSoftTabs(true);
-    editor.setOptions({
-      enableBasicAutocompletion: true,
-      enableSnippets: true,
-      enableLiveAutocompletion: true,
-      fontSize: '18px'
-    });
-    editor.setValue(initialSourceCode, -1);
-
-    function syncEditorSource() {
-      if (hiddenSourceElement) {
-        hiddenSourceElement.value = editor.getValue();
-      }
-    }
-
-    editor.getSession().on('change', syncEditorSource);
-    syncEditorSource();
-    editor.getSession().setMode('ace/mode/c_cpp');
-    window.smokeEditor = editor;
-  </script>
-</body>
-</html>
diff --git a/web/template/syzoj/submitpage.php b/web/template/syzoj/submitpage.php
index 045a71d..6397991 100644
--- a/web/template/syzoj/submitpage.php
+++ b/web/template/syzoj/submitpage.php
@@ -54,6 +54,10 @@
     gap: 8px;
 }
 
+.submit-toolbar .submit-button-group {
+    margin-left: auto;
+}
+
 .submit-toolbar .field-group > label {
     margin: 0;
     font-weight: 600;
@@ -371,6 +375,11 @@
     .submit-title {
         font-size: 1.2em;
     }
+    .submit-toolbar .submit-button-group {
+        margin-left: 0;
+        width: 100%;
+        justify-content: flex-end;
+    }
     #source {
         height: 350px;
     }
@@ -399,14 +408,6 @@
     <script src="<?php echo $OJ_CDN_URL?>include/checksource.js"></script>
     <form id="frmSolution" action="submit.php<?php if (isset($_GET['spa'])) echo "?spa" ?>" method="post" onsubmit="do_submit();return false;" enctype="multipart/form-data">
 
-      <div class="submit-actions submit-top-actions">
-        <div class="actions-left">
-          <button id="Submit" type="button" class="btn btn-primary" onclick="do_submit();">
-            <i class="paper plane icon"></i> <?php echo $MSG_SUBMIT?>
-          </button>
-        </div>
-      </div>
-
       <div class="submit-toolbar">
         <?php if (!isset($_GET['spa']) || $solution_name ) {?>
           <div class="field-group">
@@ -443,6 +444,12 @@
             <img id="vcode-img" alt="click to change" src="vcode.php" onclick="this.src='vcode.php?'+Math.random()">
           </div>
         <?php }?>
+
+        <div class="field-group submit-button-group">
+          <button id="Submit" type="button" class="btn btn-primary" onclick="do_submit();">
+            <i class="paper plane icon"></i> <?php echo $MSG_SUBMIT?>
+          </button>
+        </div>
       </div>
 
       <?php
