diff --git a/backstage/application/api/models/Applet_model.php b/backstage/application/api/models/Applet_model.php
index e9209a7..3ec1aa9 100644
--- a/backstage/application/api/models/Applet_model.php
+++ b/backstage/application/api/models/Applet_model.php
@@ -37,10 +37,12 @@ class Applet_model extends CI_Model {
         );
     }
 
-    public function applet_logout(){
-        $uid = $this->input->post('uid');
+    public function applet_logout($uid){
         $this->db->where('uid', $uid);
-        $this->db->delete('tb_session');
+        $this->db->update('tb_session', array('token' => '', 'expire_time' => 0));
+
+        $this->db->where('id', $uid);
+        $this->db->update('tb_user', array('applet_openid' => null));
         return array(
             'status' => 1,
             'message' => "操作成功"