diff --git a/public/assets/js/backend/history.js b/public/assets/js/backend/history.js
index 996cbd7..00b9daa 100644
--- a/public/assets/js/backend/history.js
+++ b/public/assets/js/backend/history.js
@@ -749,15 +749,11 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                     '<div style="margin-bottom:15px;display:flex;gap:15px;align-items:center;flex-wrap:wrap;">' +
                     '  <div class="form-group" style="margin:0;">' +
                     '    <label>尾号筛选：</label>' +
-                    '    <select id="nf-tail" class="form-control" style="width:100px;display:inline-block;">' +
-                    '      <option value="">全部</option>';
-                for (var t = 0; t <= 9; t++) {
-                    html += '<option value="' + t + '">' + t + '</option>';
-                }
-                html += '    </select>' +
+                    '    <button class="btn btn-xs btn-primary btn-nf-add-tail"><i class="fa fa-plus"></i> 新增</button>' +
                     '  </div>' +
                     '  <button class="btn btn-default btn-nf-reset" style="margin-left:auto;"><i class="fa fa-refresh"></i> 重置</button>' +
                     '</div>' +
+                    '<div id="nf-tail-list" style="margin-bottom:15px;display:flex;flex-wrap:wrap;gap:6px;"></div>' +
                     '<div style="margin-bottom:15px;">' +
                     '  <label style="margin-right:10px;">生肖：</label>' +
                     '  <div id="nf-zodiac" style="display:inline-flex;gap:6px;flex-wrap:wrap;">' +
@@ -801,8 +797,18 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                         // 渲染号码网格
                         Controller.api.renderNumberFilterGrid(layero);
 
-                        // 尾号下拉选择
-                        $('#nf-tail', layero).on('change', function () {
+                        // 新增尾号
+                        $('.btn-nf-add-tail', layero).on('click', function () {
+                            Controller.api.addTailRow(layero, 0);
+                            Controller.api.applyNumberFilters(layero);
+                        });
+
+                        // 尾号输入 & 删除事件委托
+                        $('#nf-tail-list', layero).on('input change', '.nf-tail-select', function () {
+                            Controller.api.applyNumberFilters(layero);
+                        });
+                        $('#nf-tail-list', layero).on('click', '.nf-tail-del', function () {
+                            $(this).closest('.nf-tail-row').remove();
                             Controller.api.applyNumberFilters(layero);
                         });
 
@@ -846,7 +852,7 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
 
                         // 重置按钮
                         $('.btn-nf-reset', layero).on('click', function () {
-                            $('#nf-tail', layero).val('');
+                            $('#nf-tail-list', layero).html('');
                             $('.nf-zodiac', layero).removeClass('btn-gray').addClass('btn-default');
                             $('.nf-color-btn', layero).removeClass('btn-gray').addClass('btn-default');
                             $('#nf-range-list', layero).html('');
@@ -856,6 +862,22 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                 });
             },
 
+            /**
+             * 新增一行尾号筛选
+             */
+            addTailRow: function (layero, value) {
+                var rowId = 'nf-tail-' + Date.now() + Math.random().toString(36).substr(2, 5);
+                var opts = '<option value="">尾号</option>';
+                for (var t = 0; t <= 9; t++) {
+                    opts += '<option value="' + t + '"' + (t === value ? ' selected' : '') + '>' + t + '</option>';
+                }
+                var html = '<div class="nf-tail-row" id="' + rowId + '" style="display:inline-flex;align-items:center;gap:4px;">' +
+                    '  <select class="form-control nf-tail-select" style="width:80px;display:inline-block;">' + opts + '</select>' +
+                    '  <button class="btn btn-xs btn-danger nf-tail-del"><i class="fa fa-times"></i></button>' +
+                    '</div>';
+                $('#nf-tail-list', layero).append(html);
+            },
+
             /**
              * 新增一行区间筛选
              */
@@ -899,7 +921,14 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
              * 应用筛号器过滤条件
              */
             applyNumberFilters: function (layero) {
-                var tailVal = $('#nf-tail', layero).val();
+                // 收集所有选中的尾号
+                var excludedTails = [];
+                $('.nf-tail-select', layero).each(function () {
+                    var val = $(this).val();
+                    if (val !== '' && excludedTails.indexOf(parseInt(val)) === -1) {
+                        excludedTails.push(parseInt(val));
+                    }
+                });
                 // 收集被点击（置灰）的生肖
                 var excludedZodiacs = [];
                 $('.nf-zodiac.btn-gray', layero).each(function () {
@@ -929,8 +958,8 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
 
                     var hidden = false;
 
-                    // 尾号筛选：选择了具体尾号则屏蔽该尾号
-                    if (tailVal !== '' && parseInt(tailVal) === tail) {
+                    // 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;
                     }
                     // 区间筛选：在区间=白名单(OR)、排除区间=黑名单(OR)