diff --git a/app/Http/Controllers/Admin/CourseController.php b/app/Http/Controllers/Admin/CourseController.php
index c3b27eb..e52e0fe 100755
--- a/app/Http/Controllers/Admin/CourseController.php
+++ b/app/Http/Controllers/Admin/CourseController.php
@@ -169,8 +169,9 @@ class CourseController extends BaseController
                 });
         $list = $list->orderBy($all['sort_name'] ?? 'sign_status', $all['sort_type'] ?? 'asc');
         if (isset($all['is_export']) && !empty($all['is_export'])) {
-            $list = $list->limit(5000)->get()->toArray();
-            return Excel::download(new CommonExport($list, $all['export_fields'] ?? ''), $all['file_name'] ?? '' . date('YmdHis') . '.xlsx');
+            $exportList = $list->limit(5000)->get();
+            $this->withoutCourseQrcodeAppend($exportList);
+            return Excel::download(new CommonExport($exportList->toArray(), $all['export_fields'] ?? ''), $all['file_name'] ?? '' . date('YmdHis') . '.xlsx');
         } else {
             // 在分页之前，克隆查询构建器用于计算总和
             $totalStatsQuery = clone $list;
@@ -206,6 +207,9 @@ class CourseController extends BaseController
                 $totalStats['sign_black_total'] += $course->sign_black_total ?? 0;
             }
 
+            // 列表不现场生成小程序码，避免微信缓存失败导致整页 500
+            $this->withoutCourseQrcodeAppend($list->getCollection());
+
             // 将分页数据转换为数组，并在最外层追加统计总和
             $result = $list->toArray();
             $result['statistics_total'] = $totalStats;
@@ -214,6 +218,19 @@ class CourseController extends BaseController
         }
     }
 
+    /**
+     * 列表/导出时移除 qrcode append，避免触发微信 access_token
+     */
+    protected function withoutCourseQrcodeAppend($courses)
+    {
+        foreach ($courses as $course) {
+            if (method_exists($course, 'setAppends')) {
+                $course->setAppends(array_values(array_diff($course->getAppends(), ['qrcode'])));
+            }
+        }
+        return $courses;
+    }
+
     /**
      * @OA\Get(
      *     path="/api/admin/courses/show",
@@ -242,6 +259,9 @@ class CourseController extends BaseController
             return $this->fail([ResponseCode::ERROR_PARAMETER, implode(',', $validator->errors()->all())]);
         }
         $detail = $this->model->withCount('courseSigns')->with(underlineToHump($all['show_relation'] ?? []))->find($all['id']);
+        if ($detail) {
+            $detail->setAppends(array_values(array_diff($detail->getAppends(), ['qrcode'])));
+        }
         return $this->success($detail);
     }