diff --git a/xarm_description/urdf/gripper/gripper.urdf.xacro b/xarm_description/urdf/gripper/gripper.urdf.xacro
new file mode 100644
index 00000000..5693d002
--- /dev/null
+++ b/xarm_description/urdf/gripper/gripper.urdf.xacro
@@ -0,0 +1,11 @@
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\ No newline at end of file
diff --git a/xarm_description/urdf/gripper/gripper_macro.xacro b/xarm_description/urdf/gripper/gripper_macro.xacro
new file mode 100644
index 00000000..04e5cc02
--- /dev/null
+++ b/xarm_description/urdf/gripper/gripper_macro.xacro
@@ -0,0 +1,29 @@
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\ No newline at end of file
diff --git a/xarm_description/urdf/vacuum_gripper/vacuum_gripper.urdf.xacro b/xarm_description/urdf/vacuum_gripper/vacuum_gripper.urdf.xacro
new file mode 100644
index 00000000..3cbff02f
--- /dev/null
+++ b/xarm_description/urdf/vacuum_gripper/vacuum_gripper.urdf.xacro
@@ -0,0 +1,11 @@
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\ No newline at end of file
diff --git a/xarm_description/urdf/vacuum_gripper/vacuum_gripper_macro.xacro b/xarm_description/urdf/vacuum_gripper/vacuum_gripper_macro.xacro
new file mode 100644
index 00000000..9f9c03f7
--- /dev/null
+++ b/xarm_description/urdf/vacuum_gripper/vacuum_gripper_macro.xacro
@@ -0,0 +1,29 @@
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\ No newline at end of file
diff --git a/xarm_gripper/urdf/xarm_gripper_model.xacro b/xarm_gripper/urdf/xarm_gripper_model.xacro
index ac8bfb25..445d37cd 100644
--- a/xarm_gripper/urdf/xarm_gripper_model.xacro
+++ b/xarm_gripper/urdf/xarm_gripper_model.xacro
@@ -2,7 +2,7 @@
-
+