diff --git a/.gitmodules b/.gitmodules
index 26aa85b..328fee9 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -10,9 +10,6 @@
 [submodule "libznordic"]
 	path = libznordic
 	url = zwsd@192.168.1.3:p_chinagoldgroup_hand_acid/blelib_libznordic.git
-[submodule "protocol"]
-	path = protocol
-	url = zwsd@192.168.1.3:p_chinagoldgroup_hand_acid/hand_acid_ble_protocol.git
 [submodule "app_protocols"]
 	path = app_protocols
-	url = zwsd@192.168.1.3:p_chinagoldgroup_hand_acid/hand_acid_app_protocols.git
+	url = zwsd@192.168.1.3:p_chinagoldgroup_hand_acid/hand_acid_app_protocols.git
\ No newline at end of file
diff --git a/protocol b/protocol
deleted file mode 160000
index e5997c7..0000000
--- a/protocol
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit e5997c75812daaa49ddc95ffdaa06e90539ae0bb