diff --git a/xmlrpc-c.spec b/xmlrpc-c.spec
index f9efea0bf4440091c10a73012c3180ad44891f5f..251814481b4485a54490ad96143dc8e694ac3ed5 100644
--- a/xmlrpc-c.spec
+++ b/xmlrpc-c.spec
@@ -2,7 +2,7 @@
 
 Name:		xmlrpc-c
 Version:	1.51.03
-Release:        2	
+Release:        3	
 Summary:	Library implementing XML-based Remote Procedure Calls
 License:	BSD and MIT
 URL:		http://xmlrpc-c.sourceforge.net/
@@ -16,16 +16,16 @@ BuildRequires:	git-core meson >= 0.36.0 gcc gcc-c++ ncurses-devel
 BuildRequires:  libcurl-devel readline-devel pkgconfig(openssl)
 
 Provides:       xmlrpc-c-c++ = %{version}-%{release}      xmlrpc-c-c++%{?_isa} = %{version}-%{release}
-Obsoletes:      xmlrpc-c-c++ < %{version}-%{release}      xmlrpc-c-c++%{_?isa} < %{version}-%{release}
+Obsoletes:      xmlrpc-c-c++ < %{version}-%{release}      
 
 Provides:       xmlrpc-c-client = %{version}-%{release}   xmlrpc-c-client%{?_isa} = %{version}-%{release} 
-Obsoletes:      xmlrpc-c-client < %{version}-%{release}   xmlrpc-c-client%{?_isa} < %{version}-%{release} 
+Obsoletes:      xmlrpc-c-client < %{version}-%{release}    
 
 Provides:       xmlrpc-c-client++ = %{version}-%{release} xmlrpc-c-client++%{?_isa} = %{version}-%{release}
-Obsoletes:      xmlrpc-c-client++ < %{version}-%{release} xmlrpc-c-client++%{?_isa} < %{version}-%{release}
+Obsoletes:      xmlrpc-c-client++ < %{version}-%{release} 
 
 Provides:       xmlrpc-c-apps = %{version}-%{release}     xmlrpc-c-apps%{?_isa} = %{version}-%{release}
-Obsoletes:      xmlrpc-c-apps < %{version}-%{release}     xmlrpc-c-apps%{?_isa} < %{version}-%{release}
+Obsoletes:      xmlrpc-c-apps < %{version}-%{release}     
 
 %if %{with libxml2}
 BuildRequires:  libxml2-devel
@@ -84,6 +84,12 @@ Header files for xmlrpc-c.
 %{_mandir}/man1/*
 
 %changelog
+* Tue Jan 14 2020 openEuler Buildteam <buildteam@openeuler.org> - 1.51.03-3
+- Type:bugfix
+- Id:NA
+- SUG:NA
+- DESC:delete the isa in obsoletes
+
 * Fri Jan 10 2020 openEuler Buildteam <buildteam@openeuler.org> - 1.51.03-2
 - Type:NA
 - ID:NA