add

server/app/Http/Controllers/Api/V1/IndexController.php

@@ -364,7 +364,7 @@ class IndexController extends Controller
         }
 
         if (!empty($age)) {
-            $age_arr = explode(',',$age);
+            $age_arr = explode(',',$age);  // 被选中的年龄数组
             foreach ($age_arr as $value) {
                 switch ($value) {
                     case 1: