diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5ad9918..9943d38 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -2,7 +2,7 @@ CMAKE_MINIMUM_REQUIRED (VERSION 3.0)
 
 SET (CMAKE_C_COMPILER "gcc")
 
-PROJECT (ervu-sign-module VERSION 1.2.0 LANGUAGES C)
+PROJECT (ervu-sign-module VERSION 1.2.1 LANGUAGES C)
 
 IF (CMAKE_VERBOSE)
     SET (CMAKE_VERBOSE_MAKEFILE 1)
diff --git a/src/utils/cryptopro.c b/src/utils/cryptopro.c
index acaa949..5c3c82b 100644
--- a/src/utils/cryptopro.c
+++ b/src/utils/cryptopro.c
@@ -149,7 +149,7 @@ check_cert_chain_policy(PCCERT_CHAIN_CONTEXT chain_ctx)
     status.pvExtraPolicyStatus = &extraStatus;
 
     if (!cp_function_list.CertVerifyCertificateChainPolicy(
-            CPCERT_CHAIN_POLICY_SIGNATURE,
+            CERT_CHAIN_POLICY_BASE,
             chain_ctx, 
             &policy_para,
             &status)) {