diff --git a/excel_parser/templates/excel_preview_table.html b/excel_parser/templates/excel_preview_table.html
index 16bd00e..0b5139a 100644
--- a/excel_parser/templates/excel_preview_table.html
+++ b/excel_parser/templates/excel_preview_table.html
@@ -17,7 +17,30 @@
     <link rel="stylesheet" href="{% static 'plugins/animation/css/animate.min.css' %}">
     <!-- vendor css -->
     <link rel="stylesheet" href="{% static 'css/style.css' %}">
-
+    <style>
+        .table-container {
+            position: relative;
+            max-height: 80vh; /* 设置为占视口高度的80% */
+            overflow-y: auto;
+        }
+        table {
+            width: 100%;
+            border-collapse: collapse;
+        }
+        thead th {
+            position: sticky;
+            top: 0;
+            background: white;
+            z-index: 1;
+        }
+        th, td {
+            border: 1px solid #ddd;
+            padding: 8px;
+        }
+        th {
+            background-color: #f2f2f2;
+        }
+    </style>
 </head>
 
 <body>
@@ -25,13 +48,15 @@
     <form id="preview-form" method="post">
         <input type="hidden" name="csrfmiddlewaretoken" value="{{ csrf_token }}">
         <div class="modal-header">
-            <h5 class="modal-title" id="excelPreviewModalTitle">上传文件预览</h5>
+            <h3 class="modal-title" id="excelPreviewModalTitle">上传文件预览</h3>
+            <a href="javascript:history.back()" class="btn btn-primary btn-lg" data-bs-toggle="tooltip" data-bs-original-title="返回">返回列表</a>
         </div>
         <div class="modal-body">
-            <div style="overflow-x: auto;">
+            <div class="table-container">
                 <table id="form-input-table" class="table table-striped table-bordered nowrap">
                     <thead>
                         <tr>
+                            <th>序号</th>
                             {% for column in columns %}
                                 <th>{{ column }}</th>
                             {% endfor %}
@@ -40,6 +65,7 @@
                     <tbody>
                         {% for row in table_data %}
                             <tr>
+                                <td>{{ forloop.counter }}</td>
                                 {% for cell in row %}
                                     <td>
                                         <input type="text" class="form-control" style="width: 180px;" name="cell_{{ forloop.parentloop.counter0 }}_{{ forloop.counter0 }}" value="{{ cell }}">
