diff --git a/public/assets/js/backend/history.js b/public/assets/js/backend/history.js
index 00b9daa..62eaf67 100644
--- a/public/assets/js/backend/history.js
+++ b/public/assets/js/backend/history.js
@@ -780,6 +780,11 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                     '  </div>' +
                     '</div>' +
                     '<div style="margin-bottom:15px;">' +
+                    '  <label style="margin-right:10px;">单双：</label>' +
+                    '  <button class="btn btn-default btn-xs nf-parity" data-parity="单">单</button>' +
+                    '  <button class="btn btn-default btn-xs nf-parity" data-parity="双">双</button>' +
+                    '</div>' +
+                    '<div style="margin-bottom:15px;">' +
                     '  <label style="margin-right:10px;">区间：</label>' +
                     '  <button class="btn btn-xs btn-primary btn-nf-add-range"><i class="fa fa-plus"></i> 新增</button>' +
                     '</div>' +
@@ -826,6 +831,13 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                             Controller.api.applyNumberFilters(layero);
                         });
 
+                        // 单双按钮点击
+                        $('.nf-parity', layero).on('click', function () {
+                            var $btn = $(this);
+                            $btn.toggleClass('btn-default').toggleClass('btn-gray');
+                            Controller.api.applyNumberFilters(layero);
+                        });
+
                         // 新增区间
                         $('.btn-nf-add-range', layero).on('click', function () {
                             Controller.api.addRangeRow(layero, 1, 49, 'include');
@@ -855,6 +867,7 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                             $('#nf-tail-list', layero).html('');
                             $('.nf-zodiac', layero).removeClass('btn-gray').addClass('btn-default');
                             $('.nf-color-btn', layero).removeClass('btn-gray').addClass('btn-default');
+                            $('.nf-parity', layero).removeClass('btn-gray').addClass('btn-default');
                             $('#nf-range-list', layero).html('');
                             Controller.api.applyNumberFilters(layero);
                         });
@@ -909,7 +922,7 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                     if (colorRaw.indexOf('红') !== -1) colorLabel = '红';
                     else if (colorRaw.indexOf('蓝') !== -1) colorLabel = '蓝';
                     else if (colorRaw.indexOf('绿') !== -1) colorLabel = '绿';
-                    html += '<div class="nf-number" data-num="' + num + '" data-color="' + colorLabel + '" data-animal="' + animal + '" data-tail="' + (num % 10) + '" style="text-align:center;background:#f9f9f9;padding:6px 4px;border-radius:6px;min-width:60px;transition:opacity 0.2s;">' +
+                    html += '<div class="nf-number" data-num="' + num + '" data-color="' + colorLabel + '" data-animal="' + animal + '" data-tail="' + (num % 10) + '" data-parity="' + (num % 2 === 1 ? '单' : '双') + '" style="text-align:center;background:#f9f9f9;padding:6px 4px;border-radius:6px;min-width:60px;transition:opacity 0.2s;">' +
                         '<span style="display:inline-block;width:36px;height:36px;line-height:36px;text-align:center;border-radius:50%;color:#fff;background-color:' + colorHex + ';font-weight:bold;">' + num + '</span>' +
                         '<div style="font-size:10px;color:#666;line-height:1.2;">' + animal + '</div>' +
                         '</div>';
@@ -939,6 +952,11 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                 $('.nf-color-btn.btn-gray', layero).each(function () {
                     excludedColors.push($(this).data('color'));
                 });
+                // 收集被点击（置灰）的单双
+                var excludedParities = [];
+                $('.nf-parity.btn-gray', layero).each(function () {
+                    excludedParities.push($(this).data('parity'));
+                });
                 // 收集所有区间
                 var ranges = [];
                 $('.nf-range-row', layero).each(function () {
@@ -956,12 +974,18 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                     var animal = $num.data('animal');
                     var color = $num.data('color');
 
+                    var parity = $num.data('parity');
+
                     var hidden = false;
 
                     // 尾号筛选：选中多个尾号，任一命中即屏蔽
                     if (excludedTails.length > 0 && excludedTails.indexOf(tail) !== -1) {
                         hidden = true;
                     }
+                    // 单双筛选：选中单或双，匹配则屏蔽
+                    if (excludedParities.indexOf(parity) !== -1) {
+                        hidden = true;
+                    }
                     // 区间筛选：在区间=白名单(OR)、排除区间=黑名单(OR)
                     if (!hidden) {
                         var includeRanges = [];