diff --git a/V1.0.64.tar.gz b/V1.0.64.tar.gz
deleted file mode 100644
index 99b77170b377c89b87a92cc632713e1f2e769b41..0000000000000000000000000000000000000000
Binary files a/V1.0.64.tar.gz and /dev/null differ
diff --git a/V1.0.66.tar.gz b/V1.0.66.tar.gz
new file mode 100644
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diff --git a/libfastcommon.spec b/libfastcommon.spec
index 5dafe2dc0b8eeb81887151f494085abd7308dc85..8caa83976c655a5d8525e61c84fdf40c3ff943e5 100644
--- a/libfastcommon.spec
+++ b/libfastcommon.spec
@@ -1,5 +1,5 @@
 Name: libfastcommon
-Version: 1.0.64
+Version: 1.0.66
 Release: 1
 Summary: c common functions library extracted from my open source projects FastDFS
 License: LGPL-2.0-or-later
@@ -50,6 +50,9 @@ rm -rf %{buildroot}
 %{_usr}/include/fastcommon/*
 
 %changelog
+* Mon Mar 20 2023 suweifeng <suweifeng1@huawei.com> - 1.0.66-1
+- Upgrade to version 1.0.66
+
 * Fri Dec 16 2022 lihaoxiang <lihaoxiang9@huawei.com> - 1.0.64-1
 - Upgrade to version 1.0.64