diff --git a/main/applications/kbookreader b/main/applications/kbookreader
index e049575c7..c257a57e7 160000
--- a/main/applications/kbookreader
+++ b/main/applications/kbookreader
@@ -1 +1 @@
-Subproject commit e049575c78373f495f954af5c2c601253cdce6e2
+Subproject commit c257a57e77e9b035ef1a84c80e3ee6b84f177e79