diff --git a/main/applications/office/kbookreader b/main/applications/office/kbookreader
index bf97bf20f..53a734a2a 160000
--- a/main/applications/office/kbookreader
+++ b/main/applications/office/kbookreader
@@ -1 +1 @@
-Subproject commit bf97bf20f5bfd35eba9248b26b26fb66d437d053
+Subproject commit 53a734a2a42057d60788c55bae56ef269238a37b