diff --git a/third_party/phpcommon b/third_party/phpcommon
index 55e2f9de..85b467ba 160000
--- a/third_party/phpcommon
+++ b/third_party/phpcommon
@@ -1 +1 @@
-Subproject commit 55e2f9deb1eb1eede1e8c390c7bd166528632e8a
+Subproject commit 85b467ba2eca1f843f0f988823741c0d00b2724d
diff --git a/webapp/controller/ToolsController.class.php b/webapp/controller/ToolsController.class.php
index ad9d9b90..225a21a7 100644
--- a/webapp/controller/ToolsController.class.php
+++ b/webapp/controller/ToolsController.class.php
@@ -103,6 +103,18 @@ class ToolsController extends BaseController {
         myself()->_rspOk();
     }
 
+    public function isSameSeriesAccount()
+    {
+        $accountId1 = getReqVal('account_id1', '');
+        $accountId2 = getReqVal('account_id2', '');
+        error_log(phpcommon\extractOpenId($accountId1));
+        error_log(phpcommon\extractRealOpenId(phpcommon\extractOpenId($accountId1)));
+        error_log($accountId1 . ' **** ' . $accountId2 . ' ' .
+                  phpcommon\isSameSeriesAccount($accountId1, $accountId2));
+        myself()->_rspData(array(
+
+        ));
+    }
 
     private function writeToFile($fileName, $data)
     {