diff --git a/.gitmodules b/.gitmodules
index 6db58dc..94d2034 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,9 +1,9 @@
 [submodule "utilities/imp_util_ring_queue"]
 	path = utilities/imp_util_ring_queue
-	url = ssh://git@192.168.124.18:222/Utilities/imp_util_ring_queue.git
+	url = ssh://git@192.168.124.23:222/Utilities/imp_util_ring_queue.git
 [submodule "utilities/imp_types"]
 	path = utilities/imp_types
-	url = ssh://git@192.168.124.18:222/Utilities/imp_types.git
+	url = ssh://git@192.168.124.23:222/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
+	url = ssh://git@192.168.124.23:222/Utilities/imp_util_tlv_trans_protocol.git