diff --git a/main/applications/kbookreader b/main/applications/kbookreader
index b90eaa183..b44569523 160000
--- a/main/applications/kbookreader
+++ b/main/applications/kbookreader
@@ -1 +1 @@
-Subproject commit b90eaa1836a7bf327070e93d8afc46e3d4b1ed05
+Subproject commit b4456952366457a1d51516d16b7c0b5246815514