diff --git a/.gitmodules b/.gitmodules
index 9fd8f3d..d762212 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,3 +4,6 @@
 [submodule "main/utilities/imp_types"]
 	path = main/utilities/imp_types
 	url = ssh://git@192.168.124.23:222/Utilities/imp_types.git
+[submodule "main/utilities/imp_util_tlv_trans_protocol"]
+	path = main/utilities/imp_util_tlv_trans_protocol
+	url = http://192.168.124.23:3000/Utilities/imp_util_tlv_trans_protocol.git
diff --git a/main/utilities/imp_util_tlv_trans_protocol b/main/utilities/imp_util_tlv_trans_protocol
new file mode 160000
index 0000000..d40ed5d
--- /dev/null
+++ b/main/utilities/imp_util_tlv_trans_protocol
@@ -0,0 +1 @@
+Subproject commit d40ed5d390976e00d35359b2b32f3db71a4dd63b