diff --git a/ros_comm.spec b/ros_comm.spec
index 1118f59..f9613a3 100644
--- a/ros_comm.spec
+++ b/ros_comm.spec
@@ -107,6 +107,23 @@ cp -r install_isolated/* %{buildroot}/opt/ros/noetic/
 cp  install_isolated/.rosinstall %{buildroot}/opt/ros/noetic/
 cp  install_isolated/.catkin %{buildroot}/opt/ros/noetic/
 
+####
+# 对chrpath修改
+#
+####
+file `find  %{buildroot}/opt/ros/noetic/lib/ -type f` | grep -w ELF | awk -F: '{print $1}' | xargs chrpath -d
+
+
+#chrpath -d %{buildroot}/opt/ros/noetic/lib/librostime.so
+#mkdir -p %{buildroot}/etc/ld.so.conf.d
+#echo %{buildroot}/opt/ros/noetic/lib/:%{buildroot} > %{buildroot}/etc/ld.so.conf.d/%{name}-%{_arch}.conf
+
+#%post
+#/sbin/ldconfig
+
+#%postun
+#/sbin/ldconfig
+
 %files
 %defattr(-,root,root)
 /opt/ros/noetic/*