diff --git a/application/api/model/Sign.php b/application/api/model/Sign.php
index a46f9524..c38896db 100644
--- a/application/api/model/Sign.php
+++ b/application/api/model/Sign.php
@@ -390,6 +390,18 @@ class Sign extends Model
             if($sign_user_type == 0){
                 //任务：6-第一次签约师父
                 model('Tasks')->tasks_complete($sign_user_id,6);
+                //任务：21、22、23-师徒任务
+                $task_ids = [21, 22, 23];
+                $data_list = [];
+                foreach ($task_ids as $task_id) {
+                    $data_list[] = [
+                        'user_id' => $max_sign_user['user_id'],
+                        'student_id' => $sign_user_id,
+                        'task_id' => $task_id,
+                        'createtime' => time()
+                    ];
+                }
+                db::name('vs_task_student')->insertAll($data_list);
             }
             //判定是否 今日第一次签约徒弟
             $is_first_sign_student = db::name('vs_user_sign')->where(['parent_user_id' => $max_sign_user['user_id'],'createtime' => ['>=',strtotime(date('Y-m-d'))]])->count();