diff --git a/application/api/model/Sign.php b/application/api/model/Sign.php
index d83a25a..03a0092 100644
--- a/application/api/model/Sign.php
+++ b/application/api/model/Sign.php
@@ -613,7 +613,7 @@ class Sign extends Model
             return ['code' => 0, 'msg' => '该用户已不满足免费续签条件', 'data' => null];
         }
         $sign_info = db::name('vs_user_sign')
-            ->where(['user_id' => $user_id,'sign_user_id' => $sign_user_id,'end_time' => ['>',time()]])->find();
+            ->where(['parent_user_id' => $user_id,'sign_user_id' => $sign_user_id,'end_time' => ['>',time()]])->find();
         if(!$sign_info){
             return ['code' => 0, 'msg' => '您没有签约该用户或该用户已解约', 'data' => null];
         }
@@ -636,7 +636,7 @@ class Sign extends Model
      */
     public function re_sign($user_id,$sign_user_id){
         $sign_info = db::name('vs_user_sign')
-            ->where(['user_id' => $user_id,'sign_user_id' => $sign_user_id,'end_time' => ['>',time()]])->find();
+            ->where(['parent_user_id' => $user_id,'sign_user_id' => $sign_user_id,'end_time' => ['>',time()]])->find();
         if(!$sign_info){
             return ['code' => 0, 'msg' => '您没有签约该用户或该用户已解约', 'data' => null];
         }