课程

app/Http/Controllers/Admin/CourseController.php

@@ -434,8 +434,13 @@ class CourseController extends BaseController
         if ($validator->fails()) {
             return $this->fail([ResponseCode::ERROR_PARAMETER, implode(',', $validator->errors()->all())]);
         }
-        $url = (new Course())->getCourseQrcode($all['id']);
-        return $this->success($url);
+        // generate=1 时才调用微信生成；默认仅返回已有文件，避免弹窗打开即 500
+        $generate = !empty($all['generate']);
+        $url = (new Course())->getCourseQrcode($all['id'], $generate);
+        if ($generate && empty($url)) {
+            return $this->fail([ResponseCode::ERROR_BUSINESS, '二维码生成失败，请检查微信配置或缓存后重试']);
+        }
+        return $this->success($url ?: '');
     }
 
     /**

app/Http/Controllers/Admin/CourseSignController.php

@@ -176,7 +176,8 @@ class CourseSignController extends BaseController
                     $key = $condition['key'] ?? null;
                     $op = $condition['op'] ?? null;
                     $value = $condition['value'] ?? null;
-                    if (!isset($key) || !isset($op) || !isset($value)) {
+                    // 空字符串/null 不参与筛选（前端未选状态时会传 status=''）
+                    if (!isset($key) || !isset($op) || !isset($value) || $value === '' || $value === []) {
                         continue;
                     }
                     // 等于

app/Models/Course.php

@@ -15,7 +15,7 @@ class Course extends SoftDeletesModel
         'date_status',
         'publicize',
         'sign_date_status',
-        'qrcode',
+        // qrcode 不自动 append：列表/关联序列化时会调微信，易导致接口 500
         'teacher_detail',
         'status_text',
         'is_fee_text',
@@ -237,8 +237,10 @@ class Course extends SoftDeletesModel
 
     /**
      * 获取课程详情小程序码
+     * @param mixed $courseId
+     * @param bool $generate 是否在文件不存在时尝试生成
      */
-    public function getCourseQrcode($courseId)
+    public function getCourseQrcode($courseId, $generate = true)
     {
         $course = Course::find($courseId);
         if (empty($course)) {
@@ -247,14 +249,15 @@ class Course extends SoftDeletesModel
         return $this->resolveMiniProgramQrcode(
             'course_qrcode/' . $course->id . '.png',
             'packages/course/detail?id=' . $courseId,
-            ['course_id' => $courseId]
+            ['course_id' => $courseId],
+            $generate
         );
     }
 
     /**
      * 获取课程报名小程序码
      */
-    public function getCourseCheckQrcode($courseId)
+    public function getCourseCheckQrcode($courseId, $generate = true)
     {
         $course = Course::find($courseId);
         if (empty($course)) {
@@ -263,14 +266,15 @@ class Course extends SoftDeletesModel
         return $this->resolveMiniProgramQrcode(
             'course_check_qrcode/' . $course->id . '.png',
             'packages/sign/course?course_id=' . $courseId,
-            ['course_id' => $courseId]
+            ['course_id' => $courseId],
+            $generate
         );
     }
 
     /**
      * 获取问卷小程序码
      */
-    public function getEvaluationQrcode($id)
+    public function getEvaluationQrcode($id, $generate = true)
     {
         $courseContentEvaluation = CourseContentEvaluation::find($id);
         if (empty($courseContentEvaluation)) {
@@ -279,14 +283,15 @@ class Course extends SoftDeletesModel
         return $this->resolveMiniProgramQrcode(
             'course_evaluation_qrcode/' . $courseContentEvaluation->id . '.png',
             'packages/surveyFill/index?id=' . $id,
-            ['evaluation_id' => $id]
+            ['evaluation_id' => $id],
+            $generate
         );
     }
 
     /**
      * 读取或生成小程序码；微信/缓存失败时返回空字符串，避免列表接口 500
      */
-    protected function resolveMiniProgramQrcode(string $relativePath, string $page, array $context = []): string
+    protected function resolveMiniProgramQrcode(string $relativePath, string $page, array $context = [], bool $generate = true): string
     {
         $path = config('filesystems.disks.public.root') . '/' . $relativePath;
         $url = config('filesystems.disks.public.url') . '/' . $relativePath;
@@ -295,6 +300,10 @@ class Course extends SoftDeletesModel
             return $url;
         }
 
+        if (!$generate) {
+            return '';
+        }
+
         $appId = (string) config('app.applet_appid');
         $secret = (string) config('app.applet_secret');
         if ($appId === '' || $secret === '') {