diff --git a/0027-Pin-server-Optimized-LocalVarSummeryPass.patch b/0027-Pin-server-Optimized-LocalVarSummeryPass.patch
new file mode 100644
index 0000000000000000000000000000000000000000..68168df05d582f749be515080516eeea76ee760c
--- /dev/null
+++ b/0027-Pin-server-Optimized-LocalVarSummeryPass.patch
@@ -0,0 +1,29 @@
+From 085d310af6b860b00245c0ceb88c9cc8413ae67e Mon Sep 17 00:00:00 2001
+From: d00573793 <dingguangya1@huawei.com>
+Date: Fri, 24 Mar 2023 18:41:45 +0800
+Subject: [PATCH] [Pin-server] Optimized LocalVarSummeryPass
+
+
+diff --git a/user/LocalVarSummeryPass.cpp b/user/LocalVarSummeryPass.cpp
+index b7e104e..4f72a2a 100755
+--- a/user/LocalVarSummeryPass.cpp
++++ b/user/LocalVarSummeryPass.cpp
+@@ -35,6 +35,7 @@ static void LocalVarSummery(void)
+     vector<mlir::Plugin::FunctionOp> allFunction = pluginAPI.GetAllFunc();
+     map<string, string> args = PluginServer::GetInstance()->GetArgs();
+     for (size_t i = 0; i < allFunction.size(); i++) {
++        if (allFunction[i] == nullptr) continue;
+         uint64_t funcID = allFunction[i].idAttr().getValue().getZExtValue();
+         fprintf(stderr, "In the %ldth function:\n", i);
+         vector<mlir::Plugin::LocalDeclOp> decls = pluginAPI.GetDecls(funcID);
+@@ -73,6 +74,7 @@ static void LocalVarSummery(void)
+         }
+         for (size_t j = 0; j < decls.size(); j++) {
+             auto decl = decls[j];
++            if (decl == nullptr) continue;
+             string name = decl.symNameAttr().getValue().str();
+             int64_t declTypeID = decl.typeIDAttr().getValue().getZExtValue();
+             if (declTypeID == typeFilter) {
+-- 
+2.33.0
+
diff --git a/pin-server.spec b/pin-server.spec
index ce8199b3839d377190ae28ec2aca0f296d0069cb..b6b4be130949026d379f51cde7d1cde1386f9e84 100644
--- a/pin-server.spec
+++ b/pin-server.spec
@@ -1,6 +1,6 @@
 Name:           pin-server
 Version:        0.4.0
-Release:        8
+Release:        9
 Summary:        Pin (Plug-IN framework) server provides plugin APIs for compiler optimization developers to develop optimization pass.
 License:        Apache 2.0
 URL:            https://gitee.com/openeuler/pin-server
@@ -36,6 +36,7 @@ Patch23: 0023-Pin-server-Add-StructReorderPASS-demo.patch
 Patch24: 0024-Pin-server-Fix-VectorType.patch
 Patch25: 0025-Pin-server-Fix-Pass-DoOptimize-method-and-struct-sel.patch
 Patch26: 0026-Pin-server-Fix-log-output-form.patch
+Patch27: 0027-Pin-server-Optimized-LocalVarSummeryPass.patch
 
 %description
 Pin (Plug-IN framework) server provides plugin APIs for compiler optimization developers to develop optimization pass.
@@ -77,6 +78,7 @@ A demo for pin-server
 %patch24 -p1
 %patch25 -p1
 %patch26 -p1
+%patch27 -p1
 
 mkdir -p _build
 cd _build
@@ -117,6 +119,12 @@ find %{_libdir} -type f -name "libMLIRServerAPI.so" -exec strip "{}" ";"
 %config(noreplace) /etc/ld.so.conf.d/%{name}-%{_arch}.conf
 
 %changelog
+* Sat Mar 25 2023 dingguangya <dingguangya1@huawei.com> - 0.4.0-9
+- Type:Update
+- ID:NA
+- SUG:NA
+- DESC:Fix Optimized LocalVarSummeryPass
+
 * Tue Mar 21 2023 dingguangya <dingguangya1@huawei.com> - 0.4.0-8
 - Type:Update
 - ID:NA