--- a/candolint/handlers.py	Sat Jul 01 00:27:05 2017 +0800
+++ b/candolint/handlers.py	Sat Jul 22 12:35:06 2017 +0800
@@ -155,10 +155,13 @@
 class StatusHandler(BaseHandler):
     def get(self, domain, user, name):
         project = get_project_or_404(domain, user, name)
-        check = (Check
+        checks = (Check
             .select(*Check.get_light_fields())
-            .where(Check.project == project)
-            .first())
+            .where(Check.project == project))
+        branch = self.get_argument('branch', None)
+        if branch is not None:
+            checks = checks.join(Change).where(Change.branch == branch)
+        check = checks.first()
         parts = [('#555', 30, 14.5, 'lint')]
         if check is None or not check.success:
             parts.append(('#777', 62, 30.5, 'unknown'))