diff --git a/main/applications/office/kbookreader b/main/applications/office/kbookreader
index e47baa8f1..5809bef5f 160000
--- a/main/applications/office/kbookreader
+++ b/main/applications/office/kbookreader
@@ -1 +1 @@
-Subproject commit e47baa8f120042143820c6e81fb7eeffa03d7974
+Subproject commit 5809bef5fab96182a781fcad03a0ece1effffd72