diff --git a/libwd-1.1.10.tar.gz b/libwd-1.1.10.tar.gz
new file mode 100644
index 0000000..5a45185
Binary files /dev/null and b/libwd-1.1.10.tar.gz differ
diff --git a/libwd-1.2.1.tar.gz b/libwd-1.2.1.tar.gz
deleted file mode 100644
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Binary files a/libwd-1.2.1.tar.gz and /dev/null differ
diff --git a/libwd.spec b/libwd.spec
index 1ad4f76..76161a4 100644
--- a/libwd.spec
+++ b/libwd.spec
@@ -1,6 +1,6 @@
 Name: libwd
 Summary: Huawei Accelerator Library
-Version:1.2.1
+Version:1.1.10
 Release: 1
 Source: %{name}-%{version}.tar.gz
 Vendor: Huawei Corporation