diff --git a/main/applications/office/kbookreader b/main/applications/office/kbookreader
index 9bdbff38f..49e31fae0 160000
--- a/main/applications/office/kbookreader
+++ b/main/applications/office/kbookreader
@@ -1 +1 @@
-Subproject commit 9bdbff38fbb54b89dad261fa08d478e8a917cd4d
+Subproject commit 49e31fae07529923f3db1e6d5f58cc6c563c147d