diff --git a/main/applications/kbookreader b/main/applications/kbookreader
index 0bf27db4a..4270cd99a 160000
--- a/main/applications/kbookreader
+++ b/main/applications/kbookreader
@@ -1 +1 @@
-Subproject commit 0bf27db4ab6e530a1969c510c4a57ae9307deec6
+Subproject commit 4270cd99ade5fc2679228bd4ca8731f131dcda9a