diff --git a/振幅锁仓策略/index.html b/振幅锁仓策略/index.html
index 9c43489..7fc0462 100644
--- a/振幅锁仓策略/index.html
+++ b/振幅锁仓策略/index.html
@@ -27,6 +27,7 @@
   td { padding: 6px 10px; border: 1px solid var(--td-border); text-align: center; }
   tr:nth-child(even) td { background: var(--td-even); }
   td:first-child { font-weight: 500; color: var(--td-first); }
+  td:nth-child(2) { font-size: 0.78rem; color: var(--sub); }
   .na { color: var(--na); }
 
   .toggle { position: fixed; top: 16px; right: 24px; background: var(--th-bg); border: 1px solid var(--th-border); color: var(--th-fg); padding: 6px 14px; border-radius: 6px; cursor: pointer; font-size: 0.82rem; z-index: 10; }
@@ -115,12 +116,10 @@ document.querySelectorAll('table').forEach(function(tbl) {
   var rows = tbl.querySelectorAll('tr');
   var ranges = [];
   for (var i = 1; i < rows.length; i++) {
-    var cells = rows[i].querySelectorAll('td');
-    if (cells.length < 7) continue;
-    var date = cells[0].textContent.trim();
-    var diff = parseInt(cells[5].textContent) || 0;
+    if (cells.length < 8) continue;
+    var diff = parseInt(cells[6].textContent) || 0;
     ranges.push({ date: date, diff: diff });
-    var ampCell = cells[6];
+    var ampCell = cells[7];
     var ampVal = parseInt(ampCell.textContent);
     if (isNaN(ampVal)) continue;
     (function(cell, idx) {
@@ -155,14 +154,24 @@ document.querySelectorAll('table').forEach(function(tbl) {
 
 
 <script>
-// 日期追加星期几
-document.querySelectorAll('td:first-child').forEach(function(td) {
-  var t = td.textContent.trim();
-  var m = t.match(/^(\d{4})\/(\d{1,2})\/(\d{1,2})$/);
-  if (!m) return;
-  var d = new Date(+m[1], +m[2] - 1, +m[3]);
-  var w = ['周日','周一','周二','周三','周四','周五','周六'][d.getDay()];
-  td.textContent = t + ' ' + w;
+// 日期后插入星期列
+document.querySelectorAll('table').forEach(function(tbl) {
+  var rows = tbl.querySelectorAll('tr');
+  // 表头插入"星期"
+  var th = document.createElement('th');
+  th.textContent = '星期';
+  rows[0].insertBefore(th, rows[0].children[1]);
+  // 数据行插入星期几
+  for (var i = 1; i < rows.length; i++) {
+    var td = document.createElement('td');
+    var t = rows[i].children[0].textContent.trim();
+    var m = t.match(/^(\d{4})\/(\d{1,2})\/(\d{1,2})$/);
+    if (m) {
+      var d = new Date(+m[1], +m[2] - 1, +m[3]);
+      td.textContent = ['周日','周一','周二','周三','周四','周五','周六'][d.getDay()];
+    }
+    rows[i].insertBefore(td, rows[i].children[1]);
+  }
 });
 </script>
 </body>