diff --git a/src/JT808.Protocol b/src/JT808.Protocol
index 641907a..16b8bfc 160000
--- a/src/JT808.Protocol
+++ b/src/JT808.Protocol
@@ -1 +1 @@
-Subproject commit 641907ad8373cf62d8973dedf76b84aaa894e52f
+Subproject commit 16b8bfcd87686c809912b3ed722c5c035e1121cf