diff --git a/application/admin/controller/History.php b/application/admin/controller/History.php
index 27120ac..f0109c9 100644
--- a/application/admin/controller/History.php
+++ b/application/admin/controller/History.php
@@ -22,7 +22,7 @@ class History extends Backend
      * 无需额外权限检查的方法（但仍在 admin 模块内，需要 admin 登录）
      * @var array
      */
-    protected $noNeedRight = ['missingNum', 'trendData'];
+    protected $noNeedRight = ['missingNum', 'trendData', 'hotColdNumbers'];
 
     public function _initialize()
     {
@@ -72,5 +72,25 @@ class History extends Backend
         }
     }
 
+    /**
+     * 获取冷热号码
+     * @return void
+     */
+    public function hotColdNumbers()
+    {
+        if ($this->request->isAjax()) {
+            $periods = $this->request->get('periods', 30, 'intval');
+            if ($periods < 10 || $periods > 100) {
+                $this->error('期数范围必须在 10-100 之间');
+            }
+            $type = $this->request->get('type', 'all');
+            if (!in_array($type, ['all', 'special'])) {
+                $this->error('查询类型不正确');
+            }
+            $result = $this->model->getHotColdNumbers($periods, $type);
+            $this->success('查询成功', null, $result);
+        }
+    }
+
 
 }
diff --git a/application/admin/lang/zh-cn/history.php b/application/admin/lang/zh-cn/history.php
index 9c9314f..fb10e16 100644
--- a/application/admin/lang/zh-cn/history.php
+++ b/application/admin/lang/zh-cn/history.php
@@ -17,4 +17,5 @@ return [
     'Special Only' => '仅特码',
     'Trend Chart' => '走势图',
     'No data available' => '暂无数据',
+    'Hot/Cold Analysis' => '冷热分析',
 ];
diff --git a/application/admin/model/History.php b/application/admin/model/History.php
index bb85272..dfafc28 100644
--- a/application/admin/model/History.php
+++ b/application/admin/model/History.php
@@ -74,6 +74,69 @@ class History extends Model
         ];
     }
 
+    /**
+     * 获取冷热号码
+     * @param int $periods 查询最近多少期
+     * @param string $type 查询类型 all=全部号码 special=仅特码
+     * @return array {hot: [], cold: [], all: []}
+     */
+    public function getHotColdNumbers($periods = 30, $type = 'all')
+    {
+        $num_model = new Num();
+        $colorMap = $num_model->column('color', 'num');
+        $animalMap = $num_model->column('animal', 'num');
+
+        $history = $this
+            ->field('expect,num1,num2,num3,num4,num5,num6,num7,openTime')
+            ->order('openTime', 'desc')
+            ->limit($periods)
+            ->select();
+
+        if (empty($history)) {
+            return ['hot' => [], 'cold' => [], 'all' => []];
+        }
+
+        $fields = ($type === 'special') ? ['num7'] : ['num1', 'num2', 'num3', 'num4', 'num5', 'num6', 'num7'];
+
+        // 统计每个号码的出现次数
+        $count = array_fill(1, 49, 0);
+        $totalAppearances = 0;
+        foreach ($history as $row) {
+            foreach ($fields as $field) {
+                $num = (int)$row[$field];
+                if ($num >= 1 && $num <= 49) {
+                    $count[$num]++;
+                    $totalAppearances++;
+                }
+            }
+        }
+
+        $all = [];
+        for ($num = 1; $num <= 49; $num++) {
+            $percent = $totalAppearances > 0 ? round($count[$num] / $totalAppearances * 100, 1) : 0;
+            $all[] = [
+                'num' => $num,
+                'count' => $count[$num],
+                'percent' => $percent,
+                'color' => $colorMap[$num] ?? '—',
+                'animal' => $animalMap[$num] ?? '—'
+            ];
+        }
+
+        // 按出现次数降序排序
+        $sorted = $all;
+        usort($sorted, function ($a, $b) {
+            return $b['count'] - $a['count'];
+        });
+
+        // 热号: top 10, 冷号: bottom 10
+        $hot = array_slice($sorted, 0, 10);
+        $cold = array_slice($sorted, -10);
+        $cold = array_reverse($cold);
+
+        return ['hot' => $hot, 'cold' => $cold, 'all' => $all];
+    }
+
     /**
      * 计算遗漏号码
      * @param int $periods 查询最近多少期
diff --git a/application/admin/view/history/index.html b/application/admin/view/history/index.html
index ded8342..648e2a7 100644
--- a/application/admin/view/history/index.html
+++ b/application/admin/view/history/index.html
@@ -9,6 +9,7 @@
                         <a href="javascript:;" class="btn btn-primary btn-refresh" title="{:__('Refresh')}" ><i class="fa fa-refresh"></i> </a>
                         <a href="javascript:;" class="btn btn-warning btn-missingnum" title="{:__('Missing Number Analysis')}"><i class="fa fa-search"></i> {:__('Missing Number Analysis')}</a>
                         <a href="javascript:;" class="btn btn-info btn-trend" title="{:__('Trend Chart')}"><i class="fa fa-area-chart"></i> {:__('Trend Chart')}</a>
+                        <a href="javascript:;" class="btn btn-danger btn-hotcold" title="{:__('Hot/Cold Analysis')}"><i class="fa fa-fire"></i> {:__('Hot/Cold Analysis')}</a>
 <!--                        <a href="javascript:;" class="btn btn-success btn-add {:$auth->check('history/add')?'':'hide'}" title="{:__('Add')}" ><i class="fa fa-plus"></i> {:__('Add')}</a>-->
                     </div>
                     <table id="table" class="table table-striped table-bordered table-hover table-nowrap"
diff --git a/public/assets/js/backend/history.js b/public/assets/js/backend/history.js
index ab355dc..b4744de 100644
--- a/public/assets/js/backend/history.js
+++ b/public/assets/js/backend/history.js
@@ -52,6 +52,11 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
             $(document).off('click', '.btn-trend').on('click', '.btn-trend', function () {
                 Controller.api.showTrendDialog();
             });
+
+            // 冷热分析按钮事件
+            $(document).off('click', '.btn-hotcold').on('click', '.btn-hotcold', function () {
+                Controller.api.showHotColdDialog();
+            });
         },
         add: function () {
             Controller.api.bindevent();
@@ -145,6 +150,112 @@ define(['jquery', 'bootstrap', 'backend', 'table', 'form'], function ($, undefin
                 }
             },
 
+            /**
+             * 显示冷热分析弹窗
+             */
+            showHotColdDialog: function () {
+                var html = '<div style="padding:20px;">' +
+                    '<div class="form-group" style="border-bottom:1px solid #eee;padding-bottom:10px;margin-bottom:10px;">' +
+                    '  <label style="margin-right:15px;">' + __('Query Type') + '：</label>' +
+                    '  <label class="radio-inline" style="margin-right:15px;">' +
+                    '    <input type="radio" name="hc-type" value="all" checked> ' + __('All Numbers') +
+                    '  </label>' +
+                    '  <label class="radio-inline">' +
+                    '    <input type="radio" name="hc-type" value="special"> ' + __('Special Only') +
+                    '  </label>' +
+                    '</div>' +
+                    '<div class="form-group">' +
+                    '  <label>' + __('Query Periods') + '：</label>' +
+                    '  <input type="number" id="hc-periods" class="form-control" value="30" min="10" max="100" style="width:120px;display:inline-block;">' +
+                    '  <button class="btn btn-primary" id="btn-hc-query" style="margin-left:10px;"><i class="fa fa-search"></i> ' + __('Query') + '</button>' +
+                    '</div>' +
+                    '<div id="hc-result" style="margin-top:15px;overflow-x:auto;"></div>' +
+                    '</div>';
+
+                Layer.open({
+                    type: 1,
+                    title: __('Hot/Cold Analysis'),
+                    area: ['700px', '600px'],
+                    content: html,
+                    shadeClose: true,
+                    success: function (layero, index) {
+                        $('#btn-hc-query', layero).on('click', function () {
+                            var periods = parseInt($('#hc-periods', layero).val()) || 30;
+                            var type = $('input[name="hc-type"]:checked', layero).val();
+                            Controller.api.queryHotCold(periods, type, layero);
+                        });
+                        $('input[name="hc-type"]', layero).on('change', function () {
+                            var periods = parseInt($('#hc-periods', layero).val()) || 30;
+                            Controller.api.queryHotCold(periods, $(this).val(), layero);
+                        });
+                    }
+                });
+            },
+
+            queryHotCold: function (periods, type, layero) {
+                var $btn = $('#btn-hc-query', layero);
+                $btn.prop('disabled', true);
+                $('#hc-result', layero).html('<div class="text-center"><i class="fa fa-spinner fa-spin"></i> ' + __('Loading') + '</div>');
+                $.ajax({
+                    url: 'history/hotColdNumbers',
+                    type: 'GET',
+                    data: {periods: periods, type: type},
+                    dataType: 'json',
+                    success: function (ret) {
+                        if (ret.code == 1) {
+                            Controller.api.renderHotCold(ret.data, layero);
+                        } else {
+                            $('#hc-result', layero).html('<div class="alert alert-danger">' + (ret.msg || __('Query failed')) + '</div>');
+                        }
+                    },
+                    error: function () {
+                        $('#hc-result', layero).html('<div class="alert alert-danger">' + __('Query failed') + '</div>');
+                    },
+                    complete: function () {
+                        $btn.prop('disabled', false);
+                    }
+                });
+            },
+
+            renderHotCold: function (data, layero) {
+                var getColor = function (num) {
+                    var color = data.all.find(function (item) { return item.num === num; });
+                    if (!color || !color.color) return '#95a5a6';
+                    if (color.color.indexOf('红') !== -1) return '#e74c3c';
+                    if (color.color.indexOf('蓝') !== -1) return '#3498db';
+                    if (color.color.indexOf('绿') !== -1) return '#2ecc71';
+                    return '#95a5a6';
+                };
+
+                var getAnimal = function (num) {
+                    var item = data.all.find(function (item) { return item.num === num; });
+                    return item ? (item.animal || '') : '';
+                };
+
+                var renderSection = function (title, items, icon) {
+                    var html = '<div style="margin-bottom:15px;"><h4 style="margin:0 0 8px 0;border-bottom:1px solid #eee;padding-bottom:5px;">' + icon + ' ' + title + '</h4>';
+                    html += '<div style="display:flex;flex-wrap:wrap;gap:8px;">';
+                    for (var i = 0; i < items.length; i++) {
+                        var item = items[i];
+                        var color = getColor(item.num);
+                        var animal = getAnimal(item.num);
+                        html += '<div style="text-align:center;background:#f9f9f9;padding:8px;border-radius:6px;min-width:70px;">' +
+                            '<span style="display:inline-block;width:36px;height:36px;line-height:36px;text-align:center;border-radius:50%;color:#fff;background-color:' + color + ';font-weight:bold;">' + item.num + '</span>' +
+                            '<div style="margin-top:4px;font-size:10px;color:#666;">' + (animal ? animal + '<br>' : '') + '<b>' + item.count + '</b> (' + item.percent + '%)</div>' +
+                            '</div>';
+                    }
+                    html += '</div></div>';
+                    return html;
+                };
+
+                var html = '<div style="padding:10px;">' +
+                    renderSection('热号 Top 10', data.hot, '<span style="color:#e74c3c;">&#x1F525;</span>') +
+                    renderSection('冷号 Top 10', data.cold, '<span style="color:#3498db;">&#x2744;</span>') +
+                    '</div>';
+
+                $('#hc-result', layero).html(html);
+            },
+
             /**
              * 显示走势图弹窗
              */