test

app/Http/Controllers/Admin/RemarkController.php

@@ -45,6 +45,10 @@ class RemarkController extends Controller
             });
         }
 
+        foreach($list as $item) {
+            $item->average_score = RemarkDetail::where('remark_id', $item->id)->get()->avg('score');
+        }
+
         $list = $this->paginate($list);
 
         list($pre_uri, $model_name) = array($this->pre_uri, $this->model_name);

resources/views/admin/remarks/index.blade.php

@@ -53,7 +53,7 @@
                                         <tr>
                                             <td>{{ empty($item->teacher) ? '' : $item->teacher->name }}</td>
                                             <td>{{ empty($item->course) ? '' : $item->course->name }}</td>
-                                            <td></td>
+                                            <td>{{ $item->average_score }}</td>
                                             <td>{{ empty($item->student) ? '' : $item->student->name }}</td>
                                             <td>{{ $item->created_at }}</td>
                                             <td>