diff --git a/src/applet/app/controllers/AliCallBackController.php b/src/applet/app/controllers/AliCallBackController.php
index b80c8b4..c8b6538 100644
--- a/src/applet/app/controllers/AliCallBackController.php
+++ b/src/applet/app/controllers/AliCallBackController.php
@@ -94,7 +94,7 @@ class AliCallBackController extends \Phalcon\Mvc\Controller
                 $userIdentity = UserIdentity::findFirst("id = '{$userIdentityId}'");
                 $this->logger(["userIdentity1" => $userIdentity], 'alipay.planet.ecocampus.spi.trade.pay.detail', true);
                 if (empty($userIdentity)) {
-                    $selfSupportForSchoolInfo = SelfSupportForUserFaceInfo::findFirst("user_id = '{$biz_content["buyer_id"]}'");
+                    $selfSupportForSchoolInfo = SelfSupportForUserFaceInfo::findFirst("user_id = '{$biz_content["buyer_id"]}' and school_code = '{$biz_content["buyer_info"]["school_code"]}'");
                     $this->logger(["selfSupportForSchoolInfo" => $selfSupportForSchoolInfo], 'alipay.planet.ecocampus.spi.trade.pay.detail', true);
                     if (!empty($selfSupportForSchoolInfo)) {
                         $userIdentity = UserIdentity::findFirst("id = '{$selfSupportForSchoolInfo->user_identity_id}'");