diff --git a/.gitmodules b/.gitmodules
index 5a4d6df..6db58dc 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "utilities/imp_types"]
 	path = utilities/imp_types
 	url = ssh://git@192.168.124.18:222/Utilities/imp_types.git
+[submodule "utilities/imp_util_tlv_trans_protocol"]
+	path = utilities/imp_util_tlv_trans_protocol
+	url = ssh://git@192.168.124.18:222/Utilities/imp_util_tlv_trans_protocol.git
diff --git a/utilities/imp_util_tlv_trans_protocol b/utilities/imp_util_tlv_trans_protocol
new file mode 160000
index 0000000..4671012
--- /dev/null
+++ b/utilities/imp_util_tlv_trans_protocol
@@ -0,0 +1 @@
+Subproject commit 467101244b0d1042daa97df9c3895cd68d8fd3d9