diff --git a/sblim-sfcb-1.4.9-fix-undefined-symbol.patch b/sblim-sfcb-1.4.9-fix-undefined-symbol.patch
new file mode 100644
index 0000000000000000000000000000000000000000..e45acc39da4d5076edaabf16fbc63d08c76639ec
--- /dev/null
+++ b/sblim-sfcb-1.4.9-fix-undefined-symbol.patch
@@ -0,0 +1,24 @@
+diff --git a/providerMgr.c b/providerMgr.c
+index 53fed57..23deaaf 100644
+--- a/providerMgr.c
++++ b/providerMgr.c
+@@ -54,6 +54,7 @@
+ #endif
+ 
+ sigset_t mask, old_mask;
++const char    *sfcBrokerStart;
+ 
+ static pthread_mutex_t resultsocketMutex = PTHREAD_MUTEX_INITIALIZER;
+ 
+diff --git a/sfcBroker.c b/sfcBroker.c
+index 5133cc4..e15a637 100644
+--- a/sfcBroker.c
++++ b/sfcBroker.c
+@@ -52,7 +52,6 @@
+ #include "config.h"
+ #endif
+ 
+-const char    *sfcBrokerStart;
+ 
+ int             sfcBrokerPid = 0;
+ 
diff --git a/sblim-sfcb.spec b/sblim-sfcb.spec
index 5f748b73368a8f4cabb01013643a1258d44d5770..f04fde2f3577f4f0104b262866634f936a83e80b 100644
--- a/sblim-sfcb.spec
+++ b/sblim-sfcb.spec
@@ -9,7 +9,7 @@ Name: sblim-sfcb
 Summary: Small Footprint CIM Broker
 URL: http://sblim.wiki.sourceforge.net/
 Version: 1.4.9
-Release: 17%{anolis_release}%{?dist}
+Release: 18%{anolis_release}%{?dist}
 License: EPL-1.0
 Source0: http://downloads.sourceforge.net/sblim/%{name}-%{version}.tar.bz2
 Source1: sfcb.service
@@ -47,6 +47,7 @@ Patch10: sblim-sfcb-1.4.9-docdir-license.patch
 # backport patch from fc33
 Patch1001: 1001-sblim-sfcb-1.4.9-fix-multiple-definition.patch
 # End: Anolis customized patches
+Patch1002: sblim-sfcb-1.4.9-fix-undefined-symbol.patch
 
 Provides: cim-server = 0
 Requires: cim-schema
@@ -100,6 +101,7 @@ Doc pages for %{name}.
 %patch9 -p1 -b .fix-ppc-optimization-level
 %patch10 -p1 -b .docdir-license
 %patch1001 -p1
+%patch1002 -p1
 
 %build
 %configure --enable-debug --enable-uds --enable-ssl --enable-pam --enable-ipv6 \
@@ -161,6 +163,9 @@ fi;
 %doc AUTHORS ChangeLog NEWS README
 
 %changelog
+* Wed Sep 3 2025 Yongchang Si <siyongchang@cqsoftware.com.cn> - 1.4.9-18.0.2
+- fix undefined symbol
+
 * Sun Jul 17 2022 Xiaoping Liu <liuxiaoping@alibaba-inc.com> - 1.4.9-17.0.2
 - add doc sub package