diff --git a/itrustee_sdk.spec b/itrustee_sdk.spec
index de352936bcdf4456081783f02bb6d9e0160dbfcd..37339905ab1363e7264bfd62a7f7b4f31761f8d5 100644
--- a/itrustee_sdk.spec
+++ b/itrustee_sdk.spec
@@ -1,6 +1,6 @@
 Name:		itrustee_sdk
 Version:	0.1.0
-Release:	2%{?dist}
+Release:	3%{?dist}
 Summary:	Confidential computing framework for developing TA on itrustee OS
 ExclusiveArch:  aarch64
 
@@ -31,12 +31,16 @@ install -d %{buildroot}/opt/
 install -d %{buildroot}/lib64/
 make install DESTDIR=%{buildroot}/
 
+strip %{buildroot}/lib64/*.so
+
 %files
 %defattr(-,root,root)
 /opt/itrustee_sdk
 /lib64/libteec_adaptor.so
 
 %changelog
+* Sat Sep 4 2021 zhangtao<zhangtao221g@huawei.com> - 0.1.0-3
+- strip dynamic library
 * Thu May 20 2021 houmingyong<houmingyong@huawei.com> - 0.1.0-2
 - DESC:init itrustee_sdk
 * Sat May 8 2021 chenmaodong<chenmaodong@huawei.com> - 0.1.0-1