sync ui (#4029)

diff --git a/skywalking-ui b/skywalking-ui
index e6a036f..501b7e4 160000
--- a/skywalking-ui
+++ b/skywalking-ui
@@ -1 +1 @@
-Subproject commit e6a036fb9e54f2f06a59f1a2cfc79eb3b432cc89
+Subproject commit 501b7e47c6a412f916589ccbf5d4bf6befae9814