diff --git a/app/Http/Controllers/Admin/OtherController.php b/app/Http/Controllers/Admin/OtherController.php
index 0537abd..23b6186 100755
--- a/app/Http/Controllers/Admin/OtherController.php
+++ b/app/Http/Controllers/Admin/OtherController.php
@@ -230,37 +230,53 @@ class OtherController extends CommonController
                 ->orderBy('sort', 'asc')
                 ->get();
 
-            // 2. 查询对应的 CourseType
+            // 2. 查询对应的 CourseType（仅一层归集：overview_parent_id 指向根体系）
             $allCourseTypes = CourseType::where('is_chart', 1)
-                ->orderBy('sort', 'asc')
                 ->where('is_history', 0)
+                ->orderBy('sort', 'asc')
                 ->get();
 
+            // 根体系：没有归集到其他体系的类型
+            $rootCourseTypes = $allCourseTypes->whereNull('overview_parent_id')->values();
+            // 子体系：归集到某个根体系（仅一层）
+            $childrenByRootId = $allCourseTypes
+                ->whereNotNull('overview_parent_id')
+                ->groupBy('overview_parent_id');
+
             // 3. 循环所有配置，对每个配置进行统计
             foreach ($yearConfigs as $config) {
                 // 根据配置获取日期范围
                 $configStartDate = $config->start_date;
                 $configEndDate = $config->end_date ? $config->end_date : date('Y-m-d', strtotime('+10 year'));
 
-                // 复制 CourseType 集合（避免引用问题）
-                $courseTypes = $allCourseTypes->map(function ($item) {
+                // 复制根 CourseType 集合（避免引用问题）
+                $courseTypes = $rootCourseTypes->map(function ($item) {
                     return clone $item;
-                });
+                })->values();
 
                 // 汇总本配置下全部 Course id，用于 course_signs_unique_total 与 courses-home 口径一致（courseSignsTotalByUnique）
                 $configCourseIds = collect();
 
                 // 对每个 CourseType 进行统计
                 foreach ($courseTypes as $courseType) {
+                    $includedTypeIds = collect([$courseType->id]);
+                    $children = $childrenByRootId->get($courseType->id);
+                    if ($children && $children->count() > 0) {
+                        $includedTypeIds = $includedTypeIds->merge($children->pluck('id'));
+                    }
+                    $includedTypeIds = $includedTypeIds->unique()->values();
+
                     // 历史课程数据（添加时间范围限制；仅统计 type 为 is_history=0 的，is_history=1 的由下方「与 courses-home 口径一致」块统计，避免重复）
-                    $historyCourse = HistoryCourse::whereHas('typeDetail', function ($query) use ($courseType) {
-                        $query->where('name', 'like', '%' . $courseType->name . '%')->where('is_history', 0);
-                    })->where(function ($query) use ($configStartDate, $configEndDate) {
+                    // 口径升级：history_courses.type 存的是课程体系ID字符串，直接按 includedTypeIds 归集（避免名称匹配漂移）
+                    $historyCourse = HistoryCourse::whereIn('type', $includedTypeIds)
+                        ->whereHas('typeDetail', function ($query) {
+                            $query->where('is_history', 0);
+                        })->where(function ($query) use ($configStartDate, $configEndDate) {
                         $query->whereBetween('start_time', [$configStartDate, $configEndDate])
                             ->orWhereBetween('end_time', [$configStartDate, $configEndDate]);
                     })->get();
                     // 实际课程数据（添加时间范围限制）
-                    $courses = Course::where('type', $courseType->id)->where('is_chart', 1)
+                    $courses = Course::whereIn('type', $includedTypeIds)->where('is_chart', 1)
                         ->where(function ($query) use ($configStartDate, $configEndDate) {
                             $query->whereBetween('start_date', [$configStartDate, $configEndDate])
                                 ->orWhereBetween('end_date', [$configStartDate, $configEndDate]);
diff --git a/database/migrations/2026_04_09_120000_add_overview_parent_id_to_course_types_table.php b/database/migrations/2026_04_09_120000_add_overview_parent_id_to_course_types_table.php
new file mode 100644
index 0000000..64db5c0
--- /dev/null
+++ b/database/migrations/2026_04_09_120000_add_overview_parent_id_to_course_types_table.php
@@ -0,0 +1,30 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration
+{
+    /**
+     * Run the migrations.
+     */
+    public function up(): void
+    {
+        Schema::table('course_types', function (Blueprint $table) {
+            $table->unsignedInteger('overview_parent_id')->nullable()->index()->comment('数据总览归集到的课程体系ID（仅一层）');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     */
+    public function down(): void
+    {
+        Schema::table('course_types', function (Blueprint $table) {
+            $table->dropIndex(['overview_parent_id']);
+            $table->dropColumn('overview_parent_id');
+        });
+    }
+};
+