diff --git a/rpmbuild/SPECS/omc.spec b/rpmbuild/SPECS/omc.spec
index 1ef3456..30cccfa 100644
--- a/rpmbuild/SPECS/omc.spec
+++ b/rpmbuild/SPECS/omc.spec
@@ -97,6 +97,7 @@ systemctl enable adb.service
 
 # 卸载时执行
 %postun
+UsrLib64Dir=/usr/lib64
 if [ "$1" = "0" ] ; then
 systemctl stop restagent.service
 systemctl stop crontask.service
@@ -111,6 +112,7 @@ systemctl disable sshsvc.service
 systemctl disable captrace.service
 systemctl disable adb.service
 systemctl daemon-reload
+cd ${UsrLib64Dir}
 rm libwireshark.so.15
 rm libwireshark.so
 rm libwiretap.so.12
@@ -125,6 +127,7 @@ systemctl restart restagent.service
 systemctl restart crontask.service
 systemctl restart sshsvc.service
 systemctl restart captrace.service
+cd ${UsrLib64Dir}
 rm libwireshark.so.15
 rm libwireshark.so
 rm libwiretap.so.12