diff --git a/pkg/rpm/SPECS/omc.spec b/pkg/rpm/SPECS/omc.spec
index 5c2134c..af424b5 100644
--- a/pkg/rpm/SPECS/omc.spec
+++ b/pkg/rpm/SPECS/omc.spec
@@ -17,7 +17,7 @@ OMC is a management application for the 5GC core network.
 %prep
 rm -rf ${RPM_BUILD_ROOT} && mkdir -p ${RPM_BUILD_ROOT}
 cp -rf ${RPM_BUILD_DIR}/* ${RPM_BUILD_ROOT}/
-
+chmod 644 ${RPM_BUILD_ROOT}/usr/local/etc/omc/web/wiregasm/wiregasm.wasm
 
 # 安装前脚本    ========
 %pre