update

app/Http/Controllers/Admin/TeacherController.php

@@ -127,10 +127,12 @@ class TeacherController extends BaseController
                     }
                 });
             }
-            if(isset($all['keyword'])){
-                $list = $list->whereHas('courseContents', function ($query) use ($all) {
-                    $query->where('direction', 'like', '%' . $all['keyword'] . '%');
-                })->orWhere('name', 'like', '%' . $all['keyword'] . '%');
+            if (isset($all['keyword'])) {
+                $list = $list->where(function ($query) use ($all) {
+                    $query->whereHas('courseContents', function ($query) use ($all) {
+                        $query->where('direction', 'like', '%' . $all['keyword'] . '%');
+                    })->orWhere('name', 'like', '%' . $all['keyword'] . '%');
+                });
             }
             // 输出
             $list = $list->paginate($all['page_size'] ?? 20);