bug修改

app/common/dao/user/UserCertificationDao.php

@@ -97,6 +97,6 @@ class UserCertificationDao extends BaseDao
      */
     public function getUserCertification($mobile)
     {
-        return $this->getModel()->getDB()->where('mobile', $mobile)->find();
+        return $this->getModel()::getDB()->where('mobile', $mobile)->find();
     }
 }