diff --git a/application/api/model/Tasks.php b/application/api/model/Tasks.php
index 945f348c..fa92cd06 100644
--- a/application/api/model/Tasks.php
+++ b/application/api/model/Tasks.php
@@ -600,9 +600,6 @@ class Tasks extends Model
                 if ($sign_in_info['sign_in_date'] == date('Y-m-d',strtotime('-1 day'))) {
                     $continuous = $sign_in_info['continuous'] + 1;
                 } else {
-                    db::name('vs_user_tasks_sign_in')->where(['user_id'=>$user_id,'delete_time'=>0])->update([
-                        'delete_time' => time()
-                    ]);
                     $continuous = 1;
                 }
             }