diff --git a/linux-sgx.spec b/linux-sgx.spec
index 6a3c0d26e21804ea44f063d2d6428991b5c2e3de..38deae4e47ddf6520d3430baa356dcb38d92d6d6 100644
--- a/linux-sgx.spec
+++ b/linux-sgx.spec
@@ -1,9 +1,9 @@
 Name:           linux-sgx
 Version:        2.11
-Release:        2
+Release:        4
 Summary:        Intel(R) Software Guard Extensions for Linux* OS
 ExclusiveArch:	x86_64
-License:        BSD License
+License:        BSD-3-Clause
 URL:            https://github.com/intel/linux-sgx
 Source0:        https://github.com/intel/linux-sgx/archive/sgx_%{version}.tar.gz
 Source1:        https://github.com/intel/SGXDataCenterAttestationPrimitives/archive/DCAP_1.8.tar.gz
@@ -32,6 +32,7 @@ developers seeking to protect select code and data from disclosure or modificati
 %package sdk
 Summary:        Development files for linux sgx
 Requires:       glibc tar make
+Provides:       libsgx_urts_sim.so()(64bit)
 %description sdk
 %{summary}.
 
@@ -89,6 +90,12 @@ rm -rf /opt/sgx_linux_x64_sdk_2.11.100.2.bin
 
 
 %changelog
+* Sat Feb 20 2021 chenmaodong <chenmaodong@huawei.com> - 2.11-4
+- add new symbol in Provides item
+
+* Sat Feb 20 2021 chenmaodong <chenmaodong@huawei.com> - 2.11-3
+- fix license error in spec
+
 * Mon Jan 18 2021 chenmaodong <chenmaodong@huawei.com> - 2.11-2
 - fix arm building error