diff --git a/.gitmodules b/.gitmodules
index aebed30a2bdcb63a22a347e0dbb82c4d64cb4b09..54b8a2074da3774f93556ae420cfab56e0e0990d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,68 +1,68 @@
 [submodule "mavlink/include/mavlink/v2.0"]
 	path = mavlink/include/mavlink/v2.0
-	url = https://github.com/mavlink/c_library_v2.git
+	url = https://gitee.com/mavlink/c_library_v2.git
 	branch = master
 [submodule "src/drivers/uavcan/libuavcan"]
 	path = src/drivers/uavcan/libuavcan
-	url = https://github.com/PX4/libuavcan.git
+	url = https://gitee.com/PX4/libuavcan.git
 	branch = px4
 [submodule "Tools/jMAVSim"]
 	path = Tools/jMAVSim
-	url = https://github.com/PX4/jMAVSim.git
+	url = https://gitee.com/PX4/jMAVSim.git
 	branch = master
 [submodule "Tools/sitl_gazebo"]
 	path = Tools/sitl_gazebo
-	url = https://github.com/PX4/PX4-SITL_gazebo.git
+	url = https://gitee.com/PX4/PX4-SITL_gazebo.git
 	branch = master
 [submodule "src/lib/matrix"]
 	path = src/lib/matrix
-	url = https://github.com/PX4/PX4-Matrix.git
+	url = https://gitee.com/PX4/PX4-Matrix.git
 	branch = master
 [submodule "src/drivers/gps/devices"]
 	path = src/drivers/gps/devices
-	url = https://github.com/PX4/PX4-GPSDrivers.git
+	url = https://gitee.com/PX4/PX4-GPSDrivers.git
 	branch = master
 [submodule "src/modules/micrortps_bridge/micro-CDR"]
 	path = src/modules/micrortps_bridge/micro-CDR
-	url = https://github.com/PX4/Micro-CDR.git
+	url = https://gitee.com/PX4/Micro-CDR.git
 	branch = master
 [submodule "platforms/nuttx/NuttX/nuttx"]
 	path = platforms/nuttx/NuttX/nuttx
-	url = https://github.com/PX4/NuttX.git
+	url = https://gitee.com/PX4/NuttX.git
 	branch = px4_firmware_nuttx-10.1.0+
 [submodule "platforms/nuttx/NuttX/apps"]
 	path = platforms/nuttx/NuttX/apps
-	url = https://github.com/PX4/NuttX-apps.git
+	url = https://gitee.com/PX4/NuttX-apps.git
 	branch = px4_firmware_nuttx-10.1.0+
 [submodule "Tools/flightgear_bridge"]
 	path = Tools/flightgear_bridge
-	url = https://github.com/PX4/PX4-FlightGear-Bridge.git
+	url = https://gitee.com/PX4/PX4-FlightGear-Bridge.git
 [submodule "Tools/jsbsim_bridge"]
 	path = Tools/jsbsim_bridge
-	url = https://github.com/PX4/px4-jsbsim-bridge.git
+	url = https://gitee.com/PX4/px4-jsbsim-bridge.git
 [submodule "src/drivers/uavcan_v1/libcanard"]
 	path = src/drivers/uavcan_v1/libcanard
-	url = https://github.com/UAVCAN/libcanard.git
+	url = https://gitee.com/uavcan/libcanard.git
 [submodule "src/drivers/uavcan_v1/public_regulated_data_types"]
 	path = src/drivers/uavcan_v1/public_regulated_data_types
-	url = https://github.com/UAVCAN/public_regulated_data_types.git
+	url = https://gitee.com/uavcan/public_regulated_data_types.git
 [submodule "src/drivers/uavcannode_gps_demo/public_regulated_data_types"]
 	path = src/drivers/uavcannode_gps_demo/public_regulated_data_types
-	url = https://github.com/UAVCAN/public_regulated_data_types.git
+	url = https://gitee.com/uavcan/public_regulated_data_types.git
 [submodule "src/drivers/uavcannode_gps_demo/libcanard"]
 	path = src/drivers/uavcannode_gps_demo/libcanard
-	url = https://github.com/UAVCAN/libcanard.git
+	url = https://gitee.com/uavcan/libcanard.git
 [submodule "src/drivers/uavcan_v1/legacy_data_types"]
 	path = src/drivers/uavcan_v1/legacy_data_types
-	url = https://github.com/PX4/public_regulated_data_types.git
+	url = https://gitee.com/PX4/public_regulated_data_types.git
 	branch = legacy
 [submodule "src/lib/crypto/monocypher"]
 	path = src/lib/crypto/monocypher
-	url = https://github.com/PX4/Monocypher.git
+	url = https://gitee.com/PX4/Monocypher.git
 	branch = px4
 [submodule "src/lib/events/libevents"]
 	path = src/lib/events/libevents
-	url = https://github.com/mavlink/libevents.git
+	url = https://gitee.com/mavlink/libevents.git
 [submodule "Tools/simulation-ignition"]
 	path = Tools/simulation-ignition
-	url = https://github.com/Auterion/px4-simulation-ignition.git
+	url = https://gitee.com/auterion/px4-simulation-ignition.git
\ No newline at end of file