已候补数量

application/api/controller/Lesson.php

@@ -289,8 +289,10 @@ class Lesson extends Api
 
         //剩余候补数量
         $info['wait_remain'] = 0;
+        $info['wait_number'] = 0;
         if($info['waitnum_max'] > 0){
             $wait_number = Db::name('lesson_order')->where('slot_id',$info['id'])->where('jointype',2)->sum('usernumber');
+            $info['wait_number'] = $wait_number;
             $info['wait_remain'] = $info['waitnum_max'] - $wait_number;
             if($info['wait_remain'] < 0){
                 $info['wait_remain'] = 0;