diff --git a/application/api/model/Sign.php b/application/api/model/Sign.php
index 141fa266..6fdba622 100644
--- a/application/api/model/Sign.php
+++ b/application/api/model/Sign.php
@@ -269,7 +269,7 @@ class Sign extends Model
                 $student = db::name('vs_tasks_student')->where(['student_id' => $sign_user_id,'status' => 0])->select();
                 if($student){
                     foreach ($student as &$v){
-                        db::name('vs_tasks_student')->where(['id' => $v['id']])->updaatte(['delete_time' => time()]);
+                        db::name('vs_tasks_student')->where(['id' => $v['id']])->update(['delete_time' => time()]);
                     }
                 }
             }else{