diff --git a/app/Http/Controllers/Admin/EmployeeParticipationController.php b/app/Http/Controllers/Admin/EmployeeParticipationController.php
index 5630223..308324e 100644
--- a/app/Http/Controllers/Admin/EmployeeParticipationController.php
+++ b/app/Http/Controllers/Admin/EmployeeParticipationController.php
@@ -157,6 +157,7 @@ class EmployeeParticipationController extends BaseController
      *     @OA\Parameter(name="end_date", in="query", @OA\Schema(type="string", format="date"), required=false, description="结束日期"),
      *     @OA\Parameter(name="total", in="query", @OA\Schema(type="integer", format="int64"), required=false, description="数量"),
      *     @OA\Parameter(name="course_type_id", in="query", @OA\Schema(type="integer", format="int64"), required=false, description="课程类型ID"),
+     *     @OA\Parameter(name="course_id", in="query", @OA\Schema(type="integer", format="int64"), required=false, description="课程ID"),
      *     @OA\Parameter(name="course_name", in="query", @OA\Schema(type="string", nullable=true), description="课程名称"),
      *     @OA\Parameter(name="company_name", in="query", @OA\Schema(type="string", nullable=true), description="公司名字"),
      *     @OA\Parameter(name="name", in="query", @OA\Schema(type="string", nullable=true), description="姓名"),
@@ -251,6 +252,7 @@ class EmployeeParticipationController extends BaseController
             '结束日期' => 'end_date',
             '数量' => 'total',
             '课程类型ID' => 'course_type_id',
+            '课程ID' => 'course_id',
             '课程名称' => 'course_name',
             '公司名字' => 'company_name',
             '姓名' => 'name',
diff --git a/app/Models/CourseSign.php b/app/Models/CourseSign.php
index 7836291..9041e70 100755
--- a/app/Models/CourseSign.php
+++ b/app/Models/CourseSign.php
@@ -416,7 +416,16 @@ class CourseSign extends SoftDeletesModel
         if ($retList) {
             return User::with('company')->whereIn('id', $courseSigns->pluck('user_id'))->get();
         } else {
-            return User::whereIn('id', $courseSigns->pluck('user_id'))->count();
+            $baseCount = User::whereIn('id', $courseSigns->pluck('user_id'))->count();
+            // 额外数据：从 TraineeStudent 模型中统计
+            $traineeStudentTotal = TraineeStudent::where(function ($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]);
+                }
+            })->sum('total');
+            return $baseCount + $traineeStudentTotal;
         }
     }
 
@@ -601,30 +610,37 @@ class CourseSign extends SoftDeletesModel
         $courseSignsQuery = self::getStudentList($start_date, $end_date, null, $course_ids);
         $courseSignByType = $courseSignsQuery->get();
 
-        // 检测关键词
-        $companyNameKeyword = [
-            '元禾控股',
-            '元禾原点',
-            '元禾厚望',
-            '元禾重元',
-            '元禾璞华',
-            '元禾谷风',
-            '元禾绿柳',
-            '元禾辰坤',
-            '元禾沙湖',
-            '禾裕集团',
-            '苏州科服',
-            '信诚管理咨询',
-            '集成电路公司',
-            '常州团队',
-            '国器元禾'
-        ];
-        $list = User::whereIn('id', $courseSignByType->pluck('user_id'))
-            ->where(function ($query) use ($companyNameKeyword) {
-                foreach ($companyNameKeyword as $item) {
-                    $query->orWhere('company_name', 'like', '%' . $item . '%');
+        // 从 config 表中获取公司名称关键词
+        $companyNameKeyword = [];
+        $configValue = Config::getValueByKey('yuanhe_company');
+        if ($configValue) {
+            $configData = json_decode($configValue, true);
+            if (is_array($configData)) {
+                foreach ($configData as $item) {
+                    // 提取 company_name 和 short_company_name，过滤空值
+                    if (!empty($item['company_name'])) {
+                        $companyNameKeyword[] = $item['company_name'];
+                    }
+                    if (!empty($item['short_company_name'])) {
+                        $companyNameKeyword[] = $item['short_company_name'];
+                    }
                 }
-            })->get();
+                // 去重关键词并重新索引
+                $companyNameKeyword = array_values(array_unique($companyNameKeyword));
+            }
+        }
+
+        // 如果 config 中没有数据，使用空数组（避免 SQL 错误）
+        if (empty($companyNameKeyword)) {
+            $list = collect([]);
+        } else {
+            $list = User::whereIn('id', $courseSignByType->pluck('user_id'))
+                ->where(function ($query) use ($companyNameKeyword) {
+                    foreach ($companyNameKeyword as $item) {
+                        $query->orWhere('company_name', 'like', '%' . $item . '%');
+                    }
+                })->get();
+        }
 
         if ($retList) {
             // 返回列表
diff --git a/database/migrations/2026_01_17_133320_add_course_id_to_employee_participations_table.php b/database/migrations/2026_01_17_133320_add_course_id_to_employee_participations_table.php
new file mode 100644
index 0000000..fa978df
--- /dev/null
+++ b/database/migrations/2026_01_17_133320_add_course_id_to_employee_participations_table.php
@@ -0,0 +1,31 @@
+<?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('employee_participations', function (Blueprint $table) {
+            $table->integer('course_id')->nullable()->comment('课程ID')->after('course_type_id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('employee_participations', function (Blueprint $table) {
+            $table->dropColumn('course_id');
+        });
+    }
+};