diff --git a/app/Console/Commands/UpdateUserNo.php b/app/Console/Commands/UpdateUserNo.php
index 408f2cf..4e56e31 100755
--- a/app/Console/Commands/UpdateUserNo.php
+++ b/app/Console/Commands/UpdateUserNo.php
@@ -23,7 +23,7 @@ class UpdateUserNo extends Command
      *
      * @var string
      */
-    protected $description = '批量更新学号';
+    protected $description = '批量更新学号/打元和同事标签';
 
     /**
      * Create a new command instance.
@@ -42,6 +42,21 @@ class UpdateUserNo extends Command
      */
     public function handle()
     {
+        // 1. 批量更新学号
+        $this->updateUserNo();
+
+        // 2. 给元和同事打标签
+        $this->tagYuanheColleague();
+
+        return $this->info('更新完成');
+    }
+
+    /**
+     * 批量更新学号
+     */
+    protected function updateUserNo()
+    {
+        $this->info('开始更新学号...');
         // 已经开始的课程日期（所有历史数据处理）
 //        $dateList = Course::whereNotNull('start_date')
 //            ->where('start_date', '<=', date('Y-m-d'))
@@ -52,9 +67,11 @@ class UpdateUserNo extends Command
         // 当日数据处理(日常定时任务)
         $dateList = [date('Y-m-d')];
         foreach ($dateList as $date) {
-            $courses = Course::with(['courseSigns' => function ($query) {
-                $query->where('status', 1);
-            }])->where('start_date', $date)
+            $courses = Course::with([
+                'courseSigns' => function ($query) {
+                    $query->where('status', 1);
+                }
+            ])->where('start_date', $date)
                 ->whereNotNull('student_prefix')
                 ->orderBy('start_date')
                 ->get();
@@ -70,12 +87,50 @@ class UpdateUserNo extends Command
                     // 更新用户编号
                     $user->no = $no;
                     $user->save();
-                    $this->info($no);
+                    $this->info('学号: ' . $no);
                     $i++;
                 }
             }
         }
-        return $this->info('更新完成');
+        $this->info('学号更新完成');
+    }
+
+    /**
+     * 给元和同事打标签
+     */
+    protected function tagYuanheColleague()
+    {
+        $this->info('开始给元和同事打标签...');
+        $tag = '元禾同事';
+
+        // 获取元和员工用户列表
+        $users = CourseSign::companyJoin(null, null, null, true);
+
+        $count = 0;
+        foreach ($users as $user) {
+            // 获取当前的 from 字段
+            $from = $user->from ?? '';
+
+            // 将 from 字段按逗号分隔成数组
+            $fromArray = array_filter(array_map('trim', explode(',', $from)));
+
+            // 检查是否已存在该标签
+            if (in_array($tag, $fromArray)) {
+                continue;
+            }
+
+            // 追加标签
+            $fromArray[] = $tag;
+
+            // 更新 from 字段
+            $user->from = implode(',', $fromArray);
+            $user->save();
+
+            $this->info('已为用户 ' . $user->name . '(' . $user->mobile . ') 添加标签: ' . $tag);
+            $count++;
+        }
+
+        $this->info('元和同事标签更新完成，共更新 ' . $count . ' 人');
     }
 
 }
diff --git a/app/Exports/CommonExport.php b/app/Exports/CommonExport.php
index 97daf33..4367da7 100755
--- a/app/Exports/CommonExport.php
+++ b/app/Exports/CommonExport.php
@@ -8,11 +8,34 @@ namespace App\Exports;
 use App\Exceptions\ErrorException;
 use Illuminate\Support\Collection;
 use Maatwebsite\Excel\Concerns\FromCollection;
+use Maatwebsite\Excel\Concerns\WithStyles;
+use Maatwebsite\Excel\Concerns\WithColumnWidths;
+use Maatwebsite\Excel\Concerns\WithEvents;
+use Maatwebsite\Excel\Events\AfterSheet;
+use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
+use PhpOffice\PhpSpreadsheet\Style\Alignment;
 
-class CommonExport implements FromCollection
+class CommonExport implements FromCollection, WithStyles, WithColumnWidths, WithEvents
 {
     public $fields;
     public $data;
+    public $hasUsersField = false;
+    public $usersColumnStartIndex = null;
+    public $totalColumns = 0;
+    public $totalRows = 0;
+    public $expandedFields = [];
+
+    // 学员信息子列定义
+    const USERS_SUB_COLUMNS = [
+        'user_index' => '序号',
+        'user_no' => '学号',
+        'user_name' => '姓名',
+        'user_schoolmate' => '校友',
+        'user_position' => '职位',
+        'user_mobile' => '手机',
+        'user_course' => '报名课程',
+        'user_sign_date' => '报名时间',
+    ];
 
     public function __construct($data, $exportFields)
     {
@@ -20,8 +43,206 @@ class CommonExport implements FromCollection
         $this->fields = $exportFields;
         // 数据
         $this->data = $data;
+
+        // 构建扩展后的字段列表
+        $this->buildExpandedFields();
+    }
+
+    /**
+     * 构建扩展后的字段列表（将users字段展开成多列）
+     */
+    private function buildExpandedFields()
+    {
+        if (!is_array($this->fields)) {
+            return;
+        }
+
+        $index = 1;
+        foreach ($this->fields as $field => $label) {
+            if (str_contains($field, 'users')) {
+                $this->hasUsersField = true;
+                $this->usersColumnStartIndex = $index;
+                // 展开学员信息为多列
+                foreach (self::USERS_SUB_COLUMNS as $subField => $subLabel) {
+                    $this->expandedFields[$subField] = $subLabel;
+                    $index++;
+                }
+            } else {
+                $this->expandedFields[$field] = $label;
+                $index++;
+            }
+        }
+        $this->totalColumns = count($this->expandedFields);
+    }
+
+    /**
+     * 获取列字母
+     */
+    private function getColumnLetter($columnNumber)
+    {
+        $letter = '';
+        while ($columnNumber > 0) {
+            $columnNumber--;
+            $letter = chr(65 + ($columnNumber % 26)) . $letter;
+            $columnNumber = intval($columnNumber / 26);
+        }
+        return $letter;
+    }
+
+    /**
+     * 设置列宽
+     */
+    public function columnWidths(): array
+    {
+        $widths = [];
+        $index = 1;
+        foreach (array_keys($this->expandedFields) as $field) {
+            $letter = $this->getColumnLetter($index);
+            if (in_array($field, ['user_course', 'user_name'])) {
+                $widths[$letter] = 25;
+            } elseif (in_array($field, ['user_mobile', 'user_sign_date'])) {
+                $widths[$letter] = 15;
+            } elseif (in_array($field, ['user_index', 'user_schoolmate'])) {
+                $widths[$letter] = 8;
+            } elseif (str_contains($field, 'partners') || str_contains($field, 'project_users')) {
+                $widths[$letter] = 50;
+            } elseif (str_contains($field, 'all_course')) {
+                $widths[$letter] = 40;
+            } elseif (str_contains($field, 'company_name') || str_contains($field, 'address')) {
+                $widths[$letter] = 30;
+            } else {
+                $widths[$letter] = 15;
+            }
+            $index++;
+        }
+        return $widths;
     }
 
+    /**
+     * 设置样式
+     */
+    public function styles(Worksheet $sheet): array
+    {
+        $lastCol = $this->getColumnLetter($this->totalColumns);
+        $dataStartRow = $this->hasUsersField ? 3 : 2;
+
+        $styles = [];
+
+        if ($this->hasUsersField) {
+            // 二级表头样式 - 第一行
+            $styles[1] = [
+                'font' => ['bold' => true, 'size' => 12],
+                'alignment' => [
+                    'horizontal' => Alignment::HORIZONTAL_CENTER,
+                    'vertical' => Alignment::VERTICAL_CENTER,
+                ],
+                'fill' => [
+                    'fillType' => \PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID,
+                    'startColor' => ['rgb' => 'D0D0D0'],
+                ],
+            ];
+            // 二级表头样式 - 第二行
+            $styles[2] = [
+                'font' => ['bold' => true, 'size' => 11],
+                'alignment' => [
+                    'horizontal' => Alignment::HORIZONTAL_CENTER,
+                    'vertical' => Alignment::VERTICAL_CENTER,
+                ],
+                'fill' => [
+                    'fillType' => \PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID,
+                    'startColor' => ['rgb' => 'E8E8E8'],
+                ],
+            ];
+        } else {
+            // 单行表头样式
+            $styles[1] = [
+                'font' => ['bold' => true, 'size' => 12],
+                'alignment' => [
+                    'horizontal' => Alignment::HORIZONTAL_CENTER,
+                    'vertical' => Alignment::VERTICAL_CENTER,
+                ],
+                'fill' => [
+                    'fillType' => \PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID,
+                    'startColor' => ['rgb' => 'E0E0E0'],
+                ],
+            ];
+        }
+
+        // 所有数据区域样式
+        $styles["A1:{$lastCol}" . ($this->totalRows + $dataStartRow - 1)] = [
+            'alignment' => [
+                'vertical' => Alignment::VERTICAL_CENTER,
+                'wrapText' => true,
+            ],
+            'borders' => [
+                'allBorders' => [
+                    'borderStyle' => \PhpOffice\PhpSpreadsheet\Style\Border::BORDER_THIN,
+                    'color' => ['rgb' => 'CCCCCC'],
+                ],
+            ],
+        ];
+
+        return $styles;
+    }
+
+    /**
+     * 注册事件
+     */
+    public function registerEvents(): array
+    {
+        return [
+            AfterSheet::class => function (AfterSheet $event) {
+                $sheet = $event->sheet->getDelegate();
+
+                if ($this->hasUsersField) {
+                    // 处理二级表头的单元格合并
+                    $this->mergeHeaderCells($sheet);
+
+                    // 设置表头行高
+                    $sheet->getRowDimension(1)->setRowHeight(25);
+                    $sheet->getRowDimension(2)->setRowHeight(22);
+
+                    // 冻结前两行
+                    $sheet->freezePane('A3');
+                } else {
+                    $sheet->getRowDimension(1)->setRowHeight(25);
+                    $sheet->freezePane('A2');
+                }
+
+                // 设置数据行高
+                $dataStartRow = $this->hasUsersField ? 3 : 2;
+                for ($row = $dataStartRow; $row <= $this->totalRows + $dataStartRow - 1; $row++) {
+                    $sheet->getRowDimension($row)->setRowHeight(22);
+                }
+            },
+        ];
+    }
+
+    /**
+     * 合并表头单元格
+     */
+    private function mergeHeaderCells(Worksheet $sheet)
+    {
+        $index = 1;
+        foreach ($this->fields as $field => $label) {
+            if (str_contains($field, 'users')) {
+                // 学员信息列：合并第一行的多个单元格
+                $startCol = $this->getColumnLetter($index);
+                $endCol = $this->getColumnLetter($index + count(self::USERS_SUB_COLUMNS) - 1);
+                $sheet->mergeCells("{$startCol}1:{$endCol}1");
+                $sheet->setCellValue("{$startCol}1", $label);
+
+                // 学员信息子表头不需要合并
+                $index += count(self::USERS_SUB_COLUMNS);
+            } else {
+                // 非学员信息列：合并第一行和第二行
+                $col = $this->getColumnLetter($index);
+                $sheet->mergeCells("{$col}1:{$col}2");
+                $sheet->setCellValue("{$col}1", $label);
+                $index++;
+            }
+        }
+    }
 
     /**
      * 数组转集合
@@ -36,65 +257,172 @@ class CommonExport implements FromCollection
         if (!is_array($this->fields)) {
             throw new ErrorException('导出字段必须是数组');
         }
-        // 获取表头
-        $header = array_values($this->fields);
-        $moreFileds = [];
-        if (empty($clear)) {
-            // 表头追加附属数据
-            if (isset($this->data[0]['data']) && is_array($this->data[0]['data'])) {
-                $moreHeader = array_column($this->data[0]['data'], 'name');
-                // 获取头信息
-                $header = array_merge($header, $moreHeader);
-                // 获取字段信息
-                $moreFileds = array_column($this->data[0]['data'], 'field');
-            }
-        }
-        // 获取字段指向
-        $fields = array_keys($this->fields);
+
         $newList = [];
-        foreach ($this->data as $info) {
-            $temp = [];
-            foreach ($fields as $field) {
-                if (str_contains($field, 'idcard')) {
-                    // 身份证
-                    $temp[$field] = ' ' . $this->getDotValue($info, $field);
-                } elseif (str_contains($field, 'all_course')) {
-                    // 所有课程
-                    $temp[$field] = $this->allCourse($info);
-                } elseif (str_contains($field, 'partners')) {
-                    // 股东信息
-                    $temp[$field] = $this->partners($info);
-                } elseif (str_contains($field, 'project_users')) {
-                    // 项目经理
-                    $temp[$field] = $this->projectManager($info);
-                } elseif (str_contains($field, 'users')) {
-                    // 学员信息
-                    $temp[$field] = $this->getUsers($info);
+
+        if ($this->hasUsersField) {
+            // 有学员字段：创建二级表头
+            // 第一行表头（主表头）- 在 mergeHeaderCells 中处理
+            $header1 = [];
+            foreach ($this->fields as $field => $label) {
+                if (str_contains($field, 'users')) {
+                    // 学员信息占用多列，第一行只需要占位
+                    foreach (self::USERS_SUB_COLUMNS as $subLabel) {
+                        $header1[] = '';
+                    }
+                } else {
+                    $header1[] = '';
+                }
+            }
+            $newList[] = $header1;
+
+            // 第二行表头（子表头）
+            $header2 = [];
+            foreach ($this->fields as $field => $label) {
+                if (str_contains($field, 'users')) {
+                    foreach (self::USERS_SUB_COLUMNS as $subLabel) {
+                        $header2[] = $subLabel;
+                    }
                 } else {
-                    $temp[$field] = $this->getDotValue($info, $field);
+                    $header2[] = '';
                 }
             }
-            // 如果有自定义数据，全部附件上去
-            $t2 = [];
+            $newList[] = $header2;
+
+            // 数据行：每个学员的每条课程记录占一行
+            foreach ($this->data as $info) {
+                $usersData = $this->getUsersExpanded($info);
+                if (empty($usersData)) {
+                    // 没有学员数据，输出一行空数据
+                    $row = $this->buildRowWithoutUsers($info, []);
+                    $newList[] = $row;
+                } else {
+                    // 每个学员记录一行
+                    foreach ($usersData as $userData) {
+                        $row = $this->buildRowWithoutUsers($info, $userData);
+                        $newList[] = $row;
+                    }
+                }
+            }
+        } else {
+            // 没有学员字段：使用原有逻辑
+            $header = array_values($this->fields);
+            $moreFileds = [];
             if (empty($clear)) {
-                if (isset($info['data']) && $info['data'] && !empty($moreFileds)) {
-                    $dataCollect = collect($info['data']);
-                    foreach ($moreFileds as $moreFiled) {
-                        $value = ($dataCollect->where('field', $moreFiled)->first()['value']) ?? '';
-                        if (str_contains($moreFiled, 'idcard')) {
-                            $t2[$moreFiled] = ' ' . $value;
-                        } else {
-                            $t2[$moreFiled] = $value;
+                if (isset($this->data[0]['data']) && is_array($this->data[0]['data'])) {
+                    $moreHeader = array_column($this->data[0]['data'], 'name');
+                    $header = array_merge($header, $moreHeader);
+                    $moreFileds = array_column($this->data[0]['data'], 'field');
+                }
+            }
+            $newList[] = $header;
+
+            foreach ($this->data as $info) {
+                $temp = [];
+                foreach (array_keys($this->fields) as $field) {
+                    if (str_contains($field, 'idcard')) {
+                        $temp[$field] = ' ' . $this->getDotValue($info, $field);
+                    } elseif (str_contains($field, 'all_course')) {
+                        $temp[$field] = $this->allCourse($info);
+                    } elseif (str_contains($field, 'partners')) {
+                        $temp[$field] = $this->partners($info);
+                    } elseif (str_contains($field, 'project_users')) {
+                        $temp[$field] = $this->projectManager($info);
+                    } else {
+                        $temp[$field] = $this->getDotValue($info, $field);
+                    }
+                }
+                $t2 = [];
+                if (empty($clear)) {
+                    if (isset($info['data']) && $info['data'] && !empty($moreFileds)) {
+                        $dataCollect = collect($info['data']);
+                        foreach ($moreFileds as $moreFiled) {
+                            $value = ($dataCollect->where('field', $moreFiled)->first()['value']) ?? '';
+                            if (str_contains($moreFiled, 'idcard')) {
+                                $t2[$moreFiled] = ' ' . $value;
+                            } else {
+                                $t2[$moreFiled] = $value;
+                            }
                         }
                     }
                 }
+                $newList[] = array_values($temp + $t2);
             }
-            $newList[] = $temp + $t2;
         }
-        array_unshift($newList, $header); //插入表头
+
+        $this->totalRows = count($newList) - ($this->hasUsersField ? 2 : 1);
         return new Collection($newList);
     }
 
+    /**
+     * 获取展开的学员数据（每个学员每条课程一行）
+     */
+    private function getUsersExpanded($info)
+    {
+        if (empty($info['users'])) {
+            return [];
+        }
+
+        $result = [];
+        $userIndex = 1;
+        foreach ($info['users'] as $user) {
+            if (!empty($user['course_signs'])) {
+                foreach ($user['course_signs'] as $signIndex => $sign) {
+                    $result[] = [
+                        'user_index' => $signIndex === 0 ? $userIndex : '',
+                        'user_no' => $signIndex === 0 ? ($user['no'] ?? '-') : '',
+                        'user_name' => $signIndex === 0 ? ($user['username'] ?? '-') : '',
+                        'user_schoolmate' => $signIndex === 0 ? ($user['is_schoolmate_text'] ?? '-') : '',
+                        'user_position' => $signIndex === 0 ? ($user['company_position'] ?? '-') : '',
+                        'user_mobile' => $signIndex === 0 ? ($user['mobile'] ?? '-') : '',
+                        'user_course' => $sign['course']['name'] ?? '-',
+                        'user_sign_date' => isset($sign['created_at']) ? substr($sign['created_at'], 0, 10) : '-',
+                    ];
+                }
+            } else {
+                $result[] = [
+                    'user_index' => $userIndex,
+                    'user_no' => $user['no'] ?? '-',
+                    'user_name' => $user['username'] ?? '-',
+                    'user_schoolmate' => $user['is_schoolmate_text'] ?? '-',
+                    'user_position' => $user['company_position'] ?? '-',
+                    'user_mobile' => $user['mobile'] ?? '-',
+                    'user_course' => '-',
+                    'user_sign_date' => '-',
+                ];
+            }
+            $userIndex++;
+        }
+        return $result;
+    }
+
+    /**
+     * 构建包含学员数据的行
+     */
+    private function buildRowWithoutUsers($info, $userData)
+    {
+        $row = [];
+        foreach ($this->fields as $field => $label) {
+            if (str_contains($field, 'users')) {
+                // 填充学员信息列
+                foreach (array_keys(self::USERS_SUB_COLUMNS) as $subField) {
+                    $row[] = $userData[$subField] ?? '';
+                }
+            } elseif (str_contains($field, 'idcard')) {
+                $row[] = ' ' . $this->getDotValue($info, $field);
+            } elseif (str_contains($field, 'all_course')) {
+                $row[] = $this->allCourse($info);
+            } elseif (str_contains($field, 'partners')) {
+                $row[] = $this->partners($info);
+            } elseif (str_contains($field, 'project_users')) {
+                $row[] = $this->projectManager($info);
+            } else {
+                $row[] = $this->getDotValue($info, $field);
+            }
+        }
+        return $row;
+    }
+
     /**
      * .号转数组层级并返回对应的值
      * @param $key
@@ -161,21 +489,4 @@ class CommonExport implements FromCollection
         return implode("、\r\n", $list);
     }
 
-    /**
-     * 获取手机号
-     * @param $data
-     */
-    function getUsers($data)
-    {
-        $list = [];
-        foreach ($data['users'] as $item) {
-            $base = $item['no'] . '-' . $item['username'] . '-' . $item['is_schoolmate_text'] . '-' . $item['company_position'] . '-' . ($item['mobile'] ?? '');
-            foreach ($item['course_signs'] as $i) {
-                $base .= '-' . $i['course']['name'] . '-' . ($i['created_at'] ?? '');
-            }
-            $list[] = $base;
-        }
-        return implode("、\r\n", $list);
-    }
-
 }
diff --git a/app/Http/Controllers/Admin/CalendarsController.php b/app/Http/Controllers/Admin/CalendarsController.php
index e3d7d62..1490dbf 100644
--- a/app/Http/Controllers/Admin/CalendarsController.php
+++ b/app/Http/Controllers/Admin/CalendarsController.php
@@ -12,6 +12,7 @@ use App\Models\CourseContentEvaluationAsk;
 use App\Models\CourseContentEvaluationForm;
 use App\Models\CustomForm;
 use App\Models\CustomFormField;
+use App\Models\HistoryCourse;
 use App\Models\SupplyDemand;
 use Illuminate\Support\Facades\DB;
 use Illuminate\Support\Facades\Validator;
@@ -49,7 +50,7 @@ class CalendarsController extends BaseController
     public function index()
     {
         $all = \request()->all();
-        $list = Calendar::with('course', 'courseContent')
+        $list = Calendar::with('course', 'courseContent','historyCourses')
             ->where(function ($query) use ($all) {
                 if (isset($all['month'])) {
                     $query->where('start_time', 'like', $all['month'] . '%');
@@ -90,7 +91,7 @@ class CalendarsController extends BaseController
         if ($validator->fails()) {
             return $this->fail([ResponseCode::ERROR_PARAMETER, implode(',', $validator->errors()->all())]);
         }
-        $detail = $this->model->with('courseContent')->find($all['id']);
+        $detail = $this->model->with(['courseContent', 'historyCourses'])->find($all['id']);
         return $this->success($detail);
     }
 
@@ -113,6 +114,7 @@ class CalendarsController extends BaseController
      *     @OA\Parameter(name="is_publish", in="query", @OA\Schema(type="string"), required=true, description="是否向用户发布0否1是"),
      *     @OA\Parameter(name="address", in="query", @OA\Schema(type="string"), required=true, description="地址"),
      *     @OA\Parameter(name="days", in="query", @OA\Schema(type="string"), required=true, description="天数"),
+     *     @OA\Parameter(name="history_courses", in="query", @OA\Schema(type="array", @OA\Items(type="object")), required=false, description="历史课程数组，每项包含：type(课程体系ID), course_name(课程名称), course_type_signs_pass(培养人数未去重), course_type_signs_pass_unique(培养人数去重), course_signs_pass(课程培养人数), start_time(开始时间), end_time(结束时间)"),
      *     @OA\Parameter(name="token", in="query", @OA\Schema(type="string"), required=true, description="认证token"),
      *     @OA\Response(
      *         response="200",
@@ -122,7 +124,39 @@ class CalendarsController extends BaseController
      */
     public function save()
     {
-        return parent::save();
+        $all = \request()->all();
+        DB::beginTransaction();
+        try {
+            if (isset($all['id'])) {
+                $model = $this->model->find($all['id']);
+                if (empty($model)) {
+                    return $this->fail([ResponseCode::ERROR_BUSINESS, '数据不存在']);
+                }
+            } else {
+                $model = $this->model;
+                $all['admin_id'] = $this->getUserId();
+                $all['department_id'] = $this->getUser()->department_id;
+            }
+            $original = $model->getOriginal();
+            $model->fill($all);
+            $model->save();
+
+            // 处理历史课程数据
+            if (isset($all['history_courses']) && is_array($all['history_courses'])) {
+                // 删除原有的历史课程数据
+                $model->historyCourses()->delete();
+                $model->historyCourses()->createMany($all['history_courses']);
+            }
+            DB::commit();
+            // 记录日志
+            $this->saveLogs($original, $model);
+            // 返回带有历史课程的数据
+            $model->load('historyCourses');
+            return $this->success($model);
+        } catch (\Exception $exception) {
+            DB::rollBack();
+            return $this->fail([$exception->getCode(), $exception->getMessage()]);
+        }
     }
 
     /**
@@ -141,7 +175,33 @@ class CalendarsController extends BaseController
      */
     public function destroy()
     {
-        return parent::destroy();
+        $all = \request()->all();
+        $messages = [
+            'id.required' => 'Id必填',
+        ];
+        $validator = Validator::make($all, [
+            'id' => 'required'
+        ], $messages);
+        if ($validator->fails()) {
+            return $this->fail([ResponseCode::ERROR_PARAMETER, implode(',', $validator->errors()->all())]);
+        }
+
+        DB::beginTransaction();
+        try {
+            $model = $this->model->find($all['id']);
+            if (empty($model)) {
+                return $this->fail([ResponseCode::ERROR_BUSINESS, '数据不存在']);
+            }
+            // 删除关联的历史课程数据
+            $model->historyCourses()->delete();
+            // 删除日历
+            $model->delete();
+            DB::commit();
+            return $this->success([]);
+        } catch (\Exception $exception) {
+            DB::rollBack();
+            return $this->fail([$exception->getCode(), $exception->getMessage()]);
+        }
     }
 
 }
diff --git a/app/Http/Controllers/Admin/CourseSignController.php b/app/Http/Controllers/Admin/CourseSignController.php
index 66f8c75..60e5a09 100755
--- a/app/Http/Controllers/Admin/CourseSignController.php
+++ b/app/Http/Controllers/Admin/CourseSignController.php
@@ -86,7 +86,9 @@ class CourseSignController extends BaseController
                 $query->where('is_vip', $all['is_vip']);
             }
             if (isset($all['company_name'])) {
-                $query->where('company_name', 'like', '%' . $all['company_name'] . '%');
+                $query->whereHas('company', function ($query) use ($all) {
+                    $query->where('company_name', 'like', '%' . $all['company_name'] . '%');
+                });
             }
             if (isset($all['company_position'])) {
                 $query->where('company_position', $all['company_position']);
diff --git a/app/Http/Controllers/Admin/OtherController.php b/app/Http/Controllers/Admin/OtherController.php
index 7ad7bbb..b14c587 100755
--- a/app/Http/Controllers/Admin/OtherController.php
+++ b/app/Http/Controllers/Admin/OtherController.php
@@ -128,7 +128,7 @@ class OtherController extends CommonController
         $list['schoolmate_year'] = User::where('is_schoolmate', 1)->where('created_at', 'like', '%' . date('Y') . '%')->count();
         // 投后企业
         $list['company_invested_total'] = CourseSign::yhInvested();
-        // 元和员工参与企业
+        // 元和员工参与人数
         $list['company_join_total'] = CourseSign::companyJoin();
         // 全市干部参与企业
         $list['company_ganbu_total'] = CourseSign::ganbu();
@@ -236,7 +236,7 @@ class OtherController extends CommonController
         })->whereIn('course_id', $courses->pluck('id'));
         $list['course_total'] = (clone $calendar)->count();
         // 开课天数
-        $list['course_day_total'] = (clone $calendar)->sum('days');
+        $list['course_day_total'] = (clone $calendar)->where('is_count_days', 1)->sum('days');
 
         // 上市公司数（所有上市公司）
         $list['company_market_total'] = Company::companyMarket($start_date, $end_date);
@@ -251,7 +251,10 @@ class OtherController extends CommonController
         // 入学后上市公司数量（在指定时间范围内报名的学员所在公司中，在入学后上市的公司数量）
         $list['company_market_after_enrollment_total'] = CourseSign::companyMarketAfterEnrollment($start_date, $end_date, $course_ids);
 
-        // 元和员工参与企业
+        // 入学后被投企业数量（在指定时间范围内报名的学员所在公司中，在入学后被投的公司数量）
+        $list['company_invested_after_enrollment_total'] = CourseSign::companyInvestedAfterEnrollment($start_date, $end_date, $course_ids);
+
+        // 元和员工参与人数
         $list['company_join_total'] = CourseSign::companyJoin($start_date, $end_date, $course_ids);
         // 全市干部参与企业
         $list['company_ganbu_total'] = CourseSign::ganbu($start_date, $end_date, $course_ids);
@@ -268,7 +271,14 @@ class OtherController extends CommonController
         $courseTypes = CourseType::whereIn('id', $course_type_id)->get();
         foreach ($courseTypes as $courseType) {
             // 获取课程
-            $courses2 = Course::where('type', $courseType->id)->orderBy('start_date', 'asc')->get();
+            $courses2 = Course::where('type', $courseType->id)
+                ->where(function ($query) use ($start_date, $end_date) {
+                    // 开始结束日期的筛选。or查询
+                    if ($start_date && $end_date) {
+                        $query->whereBetween('start_date', [$start_date, $end_date])
+                            ->orWhereBetween('end_date', [$start_date, $end_date]);
+                    }
+                })->orderBy('start_date', 'asc')->get();
             foreach ($courses2 as $course) {
                 $courseTypesSum[] = [
                     'course_type' => $courseType->name,
@@ -282,7 +292,9 @@ class OtherController extends CommonController
             }
         }
         // 附加历史课程数据
-        $historyCourses = HistoryCourse::where(function ($query) use ($start_date, $end_date) {
+        $historyCourses = HistoryCourse::whereHas('calendar', function ($query) {
+            $query->where('is_count_people', 1);
+        })->where(function ($query) use ($start_date, $end_date) {
             // 开始结束日期的筛选。or查询
             $query->whereBetween('start_time', [$start_date, $end_date])
                 ->orWhereBetween('end_time', [$start_date, $end_date]);
@@ -310,7 +322,7 @@ class OtherController extends CommonController
      *     tags={"其他"},
      *     summary="课程统计明细导出",
      *     description="导出课程统计数据的明细",
-     *     @OA\Parameter(name="export_type", in="query", @OA\Schema(type="string"), required=true, description="导出类型：course_signs_invested-被投企业明细, course_signs_total-报名人数明细, course_signs_pass-审核通过人数明细, course_signs_pass_unique-审核通过人数去重明细, courseTypesSum-课程分类明细, areas-区域明细, company_market_total-上市公司明细, ganbu_total-跟班学员明细, company_market_year_total-今年上市公司明细, company_market_after_enrollment_total-入学后上市公司明细, course_total-开课场次明细, course_day_total-开课天数明细, company_join_total-元和员工参与企业明细, company_ganbu_total-全市干部参与企业明细, cover_head_total-苏州头部企业明细, cover_rencai_total-高层次人才明细, cover_stock_total-重点上市公司明细"),
+     *     @OA\Parameter(name="export_type", in="query", @OA\Schema(type="string"), required=true, description="导出类型：course_signs_invested-被投企业明细, course_signs_total-报名人数明细, course_signs_pass-审核通过人数明细, course_signs_pass_unique-审核通过人数去重明细, courseTypesSum-课程分类明细, areas-区域明细, company_market_total-上市公司明细, ganbu_total-跟班学员明细, company_market_year_total-今年上市公司明细, company_market_after_enrollment_total-入学后上市公司明细, company_invested_after_enrollment_total-入学后被投企业明细, course_total-开课场次明细, course_day_total-开课天数明细, company_join_total-元和员工参与企业明细, company_ganbu_total-全市干部参与企业明细, cover_head_total-苏州头部企业明细, cover_rencai_total-高层次人才明细, cover_stock_total-重点上市公司明细"),
      *     @OA\Parameter(name="start_date", in="query", @OA\Schema(type="string"), required=false, description="开始日期"),
      *     @OA\Parameter(name="end_date", in="query", @OA\Schema(type="string"), required=false, description="结束日期"),
      *     @OA\Parameter(name="course_type_id", in="query", @OA\Schema(type="string"), required=false, description="课程体系id，多个英文逗号"),
@@ -632,6 +644,39 @@ class OtherController extends CommonController
                 $filename = '入学后上市公司明细';
                 break;
 
+            case 'company_invested_after_enrollment_total':
+                // 入学后被投企业明细 - 使用模型方法
+                $companiesAfterEnrollment = CourseSign::companyInvestedAfterEnrollment($start_date, $end_date, $course_ids, true);
+
+                foreach ($companiesAfterEnrollment as $item) {
+                    $company = $item['company'];
+                    $userNames = collect($item['users'])->pluck('name')->filter()->unique()->implode("\n\r");
+                    $data[] = [
+                        'company_name' => $company->company_name,
+                        'company_legal_representative' => $company->company_legal_representative ?? '',
+                        'company_date' => $company->company_date ?? '',
+                        'invest_date' => $item['invest_date'] ?? '',
+                        'first_sign_date' => $item['first_sign_date'],
+                        'user_names' => $userNames,
+                        'company_address' => $company->company_address ?? '',
+                        'company_city' => $company->company_city ?? '',
+                        'company_area' => $company->company_area ?? '',
+                    ];
+                }
+                $fields = [
+                    'company_name' => '企业名称',
+                    'company_legal_representative' => '法人',
+                    'company_date' => '成立时间',
+                    'invest_date' => '被投日期',
+                    'first_sign_date' => '首次报名时间',
+                    'user_names' => '学员姓名',
+                    'company_address' => '地址',
+                    'company_city' => '所在城市',
+                    'company_area' => '所在区域',
+                ];
+                $filename = '入学后被投企业明细';
+                break;
+
             case 'course_total':
                 // 开课场次明细 - 与coursesHome算法一致
                 $calendars = Calendar::whereIn('course_id', $course_ids)
@@ -691,35 +736,33 @@ class OtherController extends CommonController
                 break;
 
             case 'company_join_total':
-                // 元和员工参与企业明细 - 使用模型方法
-                $companies = CourseSign::companyJoin($start_date, $end_date, $course_ids, true);
-                foreach ($companies as $company) {
+                // 元和员工参与人员明细 - 使用模型方法（现在返回的是用户列表）
+                $users = CourseSign::companyJoin($start_date, $end_date, $course_ids, true);
+                // 加载关联关系
+                $users->load('company');
+                foreach ($users as $user) {
                     $data[] = [
-                        'company_name' => $company->company_name,
-                        'company_legal_representative' => $company->company_legal_representative ?? '',
-                        'company_date' => $company->company_date ?? '',
-                        'company_address' => $company->company_address ?? '',
-                        'company_city' => $company->company_city ?? '',
-                        'company_area' => $company->company_area ?? '',
-                        'business_scope' => $company->business_scope ?? '',
-                        'contact_phone' => $company->contact_phone ?? '',
-                        'contact_mail' => $company->contact_mail ?? '',
-                        'company_tag' => $company->company_tag ?? '',
-                        'credit_code' => ' ' . $company->credit_code ?? '',
+                        'user_name' => $user->name ?? '',
+                        'mobile' => $user->mobile ?? '',
+                        'company_name' => $user->company->company_name ?? '',
+                        'company_position' => $user->company_position ?? '',
+                        'company_city' => $user->company->company_city ?? '',
+                        'company_area' => $user->company->company_area ?? '',
+                        'company_legal_representative' => $user->company->company_legal_representative ?? '',
+                        'company_date' => $user->company->company_date ?? '',
+                        'company_address' => $user->company->company_address ?? '',
                     ];
                 }
                 $fields = [
+                    'user_name' => '学员姓名',
+                    'mobile' => '手机号',
                     'company_name' => '企业名称',
+                    'company_position' => '职位',
+                    'company_city' => '所在城市',
+                    'company_area' => '所在区域',
                     'company_legal_representative' => '法人',
                     'company_date' => '成立时间',
                     'company_address' => '地址',
-                    'company_city' => '所在城市',
-                    'company_area' => '所在区域',
-                    'business_scope' => '营业范围',
-                    'contact_phone' => '联系电话',
-                    'contact_mail' => '联系邮箱',
-                    'company_tag' => '企业资质',
-                    'credit_code' => '统一社会信用代码',
                 ];
                 $filename = '元和员工参与企业明细';
                 break;
diff --git a/app/Http/Controllers/Admin/UserController.php b/app/Http/Controllers/Admin/UserController.php
index 9c1bf21..6d1438a 100755
--- a/app/Http/Controllers/Admin/UserController.php
+++ b/app/Http/Controllers/Admin/UserController.php
@@ -291,7 +291,9 @@ class UserController extends BaseController
                 $query->where('name', 'like', '%' . $all['name'] . '%');
             }
             if (isset($all['company_name'])) {
-                $query->where('company_name', 'like', '%' . $all['company_name'] . '%');
+                $query->whereHas('company', function ($query) use ($all) {
+                    $query->where('company_name', 'like', '%' . $all['company_name'] . '%');
+                });
             }
             if (isset($all['company_position'])) {
                 $query->where('company_position', $all['company_position']);
diff --git a/app/Models/Calendar.php b/app/Models/Calendar.php
index 172b6ba..9cde227 100755
--- a/app/Models/Calendar.php
+++ b/app/Models/Calendar.php
@@ -9,7 +9,7 @@ use Illuminate\Support\Facades\Cache;
 class Calendar extends SoftDeletesModel
 {
 
-    protected $appends = ['is_publish_text','type_text'];
+    protected $appends = ['is_publish_text', 'type_text', 'is_count_days_text', 'is_count_people_text'];
 
     public function getIsPublishTextAttribute()
     {
@@ -22,6 +22,16 @@ class Calendar extends SoftDeletesModel
         return $array[$this->attributes['type']] ?? '';
     }
 
+    public function getIsCountDaysTextAttribute()
+    {
+        return ($this->attributes['is_count_days'] ?? 1) == 1 ? '是' : '否';
+    }
+
+    public function getIsCountPeopleTextAttribute()
+    {
+        return ($this->attributes['is_count_people'] ?? 1) == 1 ? '是' : '否';
+    }
+
     public function course()
     {
         return $this->hasOne(Course::class, 'id', 'course_id');
@@ -32,5 +42,10 @@ class Calendar extends SoftDeletesModel
         return $this->hasMany(CourseContent::class, 'id', 'course_content_id');
     }
 
+    public function historyCourses()
+    {
+        return $this->hasMany(HistoryCourse::class, 'calendar_id', 'id');
+    }
+
 }
 
diff --git a/app/Models/CourseSign.php b/app/Models/CourseSign.php
index 317078b..e7178c7 100755
--- a/app/Models/CourseSign.php
+++ b/app/Models/CourseSign.php
@@ -110,7 +110,9 @@ class CourseSign extends SoftDeletesModel
             // 基础数据
             $baseTotal = $totalQuery->count();
             // 历史数据
-            $historyTotal = HistoryCourse::where(function ($query) use ($start_date, $end_date) {
+            $historyTotal = HistoryCourse::whereHas('calendar', function ($query) {
+                $query->where('is_count_people', 1);
+            })->where(function ($query) use ($start_date, $end_date) {
                 // 开始结束日期的筛选。or查询
                 $query->whereBetween('start_time', [$start_date, $end_date])
                     ->orWhereBetween('end_time', [$start_date, $end_date]);
@@ -133,7 +135,9 @@ class CourseSign extends SoftDeletesModel
         } else {
             $baseTotal = $user->count();
             // 历史数据
-            $historyTotal = HistoryCourse::where(function ($query) use ($start_date, $end_date) {
+            $historyTotal = HistoryCourse::whereHas('calendar', function ($query) {
+                $query->where('is_count_people', 1);
+            })->where(function ($query) use ($start_date, $end_date) {
                 // 开始结束日期的筛选。or查询
                 $query->whereBetween('start_time', [$start_date, $end_date])
                     ->orWhereBetween('end_time', [$start_date, $end_date]);
@@ -173,7 +177,7 @@ class CourseSign extends SoftDeletesModel
     {
         $courseSignsQuery = self::getStudentList($start_date, $end_date, 1, $course_ids);
         $courseSigns = $courseSignsQuery->whereHas('user', function ($query) {
-            $query->where('from', '跟班学员');
+            $query->where('from', 'like', '%跟班学员%');
         })->get();
 
         if ($retList) {
@@ -223,6 +227,59 @@ class CourseSign extends SoftDeletesModel
         }
     }
 
+    /**
+     * 入学后被投企业数量（在指定时间范围内报名的学员所在公司中，在入学后被投的公司数量）
+     * @param string $start_date 开始日期
+     * @param string $end_date 结束日期
+     * @param array|null $course_ids 课程ID数组，不传则统计所有课程
+     * @param bool $retList 是否返回列表，false返回数量，true返回列表
+     * @return int|array
+     */
+    public static function companyInvestedAfterEnrollment($start_date, $end_date, $course_ids = null, $retList = false)
+    {
+        $courseSignsQuery = self::getStudentList($start_date, $end_date, 1, $course_ids);
+        $courseSignsForInvest = $courseSignsQuery->with('user.company')->get();
+        $companiesAfterEnrollment = [];
+        foreach ($courseSignsForInvest as $sign) {
+            if ($sign->user && $sign->user->company && $sign->user->company->is_yh_invested == 1) {
+                $signDate = \Carbon\Carbon::parse($sign->created_at)->format('Y-m-d');
+                // 从 project_users 中获取最早的被投时间
+                $projectUsers = $sign->user->company->project_users;
+                $investDate = null;
+                if (!empty($projectUsers) && is_array($projectUsers)) {
+                    foreach ($projectUsers as $projectUser) {
+                        if (!empty($projectUser['investDate'])) {
+                            if ($investDate === null || $projectUser['investDate'] < $investDate) {
+                                $investDate = $projectUser['investDate'];
+                            }
+                        }
+                    }
+                }
+                // 被投时间 >= 报名时间，说明是入学后被投
+                if ($investDate && $investDate >= $signDate) {
+                    $companyId = $sign->user->company->id;
+                    if (!isset($companiesAfterEnrollment[$companyId])) {
+                        $companiesAfterEnrollment[$companyId] = [
+                            'company' => $sign->user->company,
+                            'first_sign_date' => $signDate,
+                            'invest_date' => $investDate,
+                            'users' => [],
+                        ];
+                    }
+                    if ($retList) {
+                        $companiesAfterEnrollment[$companyId]['users'][] = $sign->user;
+                    }
+                }
+            }
+        }
+
+        if ($retList) {
+            return $companiesAfterEnrollment;
+        } else {
+            return count($companiesAfterEnrollment);
+        }
+    }
+
     /**
      * 区域统计
      * @param string $start_date 开始日期
@@ -275,11 +332,11 @@ class CourseSign extends SoftDeletesModel
     }
 
     /**
-     * 元和员工参与企业
+     * 元和员工参人员
      */
     public static function companyJoin($start_date = null, $end_date = null, $course_ids = null, $retList = false)
     {
-        $courseSignsQuery = self::getStudentList($start_date, $end_date, 1, $course_ids);
+        $courseSignsQuery = self::getStudentList($start_date, $end_date, null, $course_ids);
         $courseSignByType = $courseSignsQuery->get();
 
         // 检测关键词
@@ -289,13 +346,15 @@ class CourseSign extends SoftDeletesModel
             '禾裕集团', '苏州科服', '信诚管理咨询',
             '集成电路公司', '常州团队', '国企元禾'
         ];
-        $list = Company::whereHas('users', function ($query) use ($courseSignByType, $companyNameKeyword) {
-            $query->whereIn('id', $courseSignByType->pluck('user_id'));
-        })->where(function ($query) use ($companyNameKeyword) {
+        $company = Company::where(function ($query) use ($companyNameKeyword) {
             foreach ($companyNameKeyword as $item) {
                 $query->orWhere('company_name', 'like', '%' . $item . '%');
             }
         })->get();
+        $list = User::whereIn('id', $courseSignByType->pluck('user_id'))
+            ->whereIn('company_id', $company->pluck('id'))
+            ->get();
+
         if ($retList) {
             // 返回列表
             return $list;
@@ -317,7 +376,7 @@ class CourseSign extends SoftDeletesModel
     {
         $courseSignsQuery = self::getStudentList($start_date, $end_date, 1, $course_ids);
         $courseSigns = $courseSignsQuery->whereHas('user', function ($query) {
-            $query->where('from', '跟班学员');
+            $query->where('from', 'like', '%跟班学员%');
         })->get();
         if ($retList) {
             return User::with('company')->whereIn('id', $courseSigns->pluck('user_id'))->get();
diff --git a/app/Models/HistoryCourse.php b/app/Models/HistoryCourse.php
index 4eb14bf..8c5a203 100644
--- a/app/Models/HistoryCourse.php
+++ b/app/Models/HistoryCourse.php
@@ -9,5 +9,10 @@ class HistoryCourse extends SoftDeletesModel
     {
         return $this->hasOne(CourseType::class, 'id', 'type');
     }
+
+    public function calendar()
+    {
+        return $this->belongsTo(Calendar::class, 'calendar_id', 'id');
+    }
 }
 
diff --git a/database/migrations/2025_11_26_100000_add_calendar_id_to_history_courses_table.php b/database/migrations/2025_11_26_100000_add_calendar_id_to_history_courses_table.php
new file mode 100644
index 0000000..20aafa5
--- /dev/null
+++ b/database/migrations/2025_11_26_100000_add_calendar_id_to_history_courses_table.php
@@ -0,0 +1,34 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('history_courses', function (Blueprint $table) {
+            $table->unsignedBigInteger('calendar_id')->nullable()->after('id')->comment('日历ID');
+            $table->index('calendar_id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('history_courses', function (Blueprint $table) {
+            $table->dropIndex(['calendar_id']);
+            $table->dropColumn('calendar_id');
+        });
+    }
+};
+
diff --git a/database/migrations/2025_11_26_100100_add_count_fields_to_calendars_table.php b/database/migrations/2025_11_26_100100_add_count_fields_to_calendars_table.php
new file mode 100644
index 0000000..9a537ab
--- /dev/null
+++ b/database/migrations/2025_11_26_100100_add_count_fields_to_calendars_table.php
@@ -0,0 +1,33 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('calendars', function (Blueprint $table) {
+            $table->tinyInteger('is_count_days')->nullable()->comment('是否统计天数 0否 1是');
+            $table->tinyInteger('is_count_people')->nullable()->comment('是否统计人数 0否 1是');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('calendars', function (Blueprint $table) {
+            $table->dropColumn(['is_count_days', 'is_count_people']);
+        });
+    }
+};
+