diff --git a/add-to-strbuf_append_string.patch b/add-to-strbuf_append_string.patch
index ae97c5b..db21494 100644
--- a/add-to-strbuf_append_string.patch
+++ b/add-to-strbuf_append_string.patch
@@ -13,9 +13,9 @@ index c27b21c..ab03a75 100644
    size_t capacity;
  } strbuf_t;
  
--void strbuf_append_string(strbuf_t *buf, const char *s);
-+__attribute__ ((visibility("hidden"))) void strbuf_append_string(strbuf_t *buf, const char *s);
+-void libconfig_strbuf_append_string(strbuf_t *buf, const char *s);
++__attribute__ ((visibility("hidden"))) void libconfig_strbuf_append_string(strbuf_t *buf, const char *s);
  
- void strbuf_append_char(strbuf_t *buf, char c);
+ void libconfig_strbuf_append_char(strbuf_t *buf, char c);
  
  
diff --git a/libconfig-1.7.3.tar.gz b/libconfig-1.7.3.tar.gz
new file mode 100644
index 0000000..424e971
Binary files /dev/null and b/libconfig-1.7.3.tar.gz differ
diff --git a/libconfig.spec b/libconfig.spec
index d5a081e..6f36b2c 100644
--- a/libconfig.spec
+++ b/libconfig.spec
@@ -1,12 +1,12 @@
 Name:           libconfig
-Version:        1.7.2
-Release:        10
+Version:        1.7.3
+Release:        1
 Summary:        C/C++ Configuration File Library
 License:        LGPLv2+
 URL:            http://www.hyperrealm.com/libconfig/libconfig.html
 # This tarball comes from libconfig-1.7.2/docs/dist/libconfig-1.7.2.tar.gz
 # in archive(https://github.com/hyperrealm/libconfig/archive/v1.7.2.tar.gz)
-Source0:        https://github.com/hyperrealm/libconfig/archive/v%{version}.tar.gz
+Source0:        https://github.com/hyperrealm/libconfig/releases/download/v%{version}/%{name}-%{version}.tar.gz
 
 Source1:        libconfig.pdf
 Patch9000:      add-to-strbuf_append_string.patch
@@ -63,6 +63,12 @@ make check
 %{_libdir}/*.la
 
 %changelog
+* Thu Dec 30 2021 wangchen<wangchen137@huawei.com> - 1.7.3-1
+- Type:enhancement
+- ID:NA
+- SUG:NA
+- DESC:update to 1.7.3
+
 * Fri Jul 30 2021 chenyanpanHW <chenyanpan@huawei.com> - 1.7.2-10
 - DESC: delete -Sgit from %autosetup, and delete BuildRequires git
 
diff --git a/v1.7.2.tar.gz b/v1.7.2.tar.gz
deleted file mode 100644
index 7baedb9..0000000
Binary files a/v1.7.2.tar.gz and /dev/null differ