diff --git a/0020-add-loongarch64-support-for-pulsar.patch b/0020-add-loongarch64-support-for-pulsar.patch
new file mode 100644
index 0000000000000000000000000000000000000000..699b910809e11ba6a7dcbdc23885afef703ed173
--- /dev/null
+++ b/0020-add-loongarch64-support-for-pulsar.patch
@@ -0,0 +1,48 @@
+From 791c24fc85904fb2e9e9bef287b03e6cc5a9f340 Mon Sep 17 00:00:00 2001
+From: Wenlong Zhang <zhangwenlong@loongson.cn>
+Date: Thu, 17 Apr 2025 10:52:11 +0800
+Subject: [PATCH] add loongarch64 support for pulsar
+
+---
+ pom.xml | 11 +++++++++--
+ 1 file changed, 9 insertions(+), 2 deletions(-)
+
+diff --git a/pom.xml b/pom.xml
+index 3ee138c..c8f9413 100644
+--- a/pom.xml
++++ b/pom.xml
+@@ -132,7 +132,7 @@ flexible messaging model and an intuitive client API.</description>
+     <typetools.version>0.5.0</typetools.version>
+     <protobuf3.version>3.19.6</protobuf3.version>
+     <protoc3.version>${protobuf3.version}</protoc3.version>
+-    <grpc.version>1.55.3</grpc.version>
++    <grpc.version>1.54.2</grpc.version>
+     <google-http-client.version>1.41.0</google-http-client.version>
+     <perfmark.version>0.26.0</perfmark.version>
+     <protoc-gen-grpc-java.version>${grpc.version}</protoc-gen-grpc-java.version>
+@@ -256,7 +256,7 @@ flexible messaging model and an intuitive client API.</description>
+     <maven-checkstyle-plugin.version>3.1.2</maven-checkstyle-plugin.version>
+     <git-commit-id-plugin.version>4.0.2</git-commit-id-plugin.version>
+     <wagon-ssh-external.version>3.4.3</wagon-ssh-external.version>
+-    <os-maven-plugin.version>1.4.1.Final</os-maven-plugin.version>
++    <os-maven-plugin.version>1.7.1</os-maven-plugin.version>
+     <jacoco-maven-plugin.version>0.8.7</jacoco-maven-plugin.version>
+     <spotbugs-maven-plugin.version>4.2.2</spotbugs-maven-plugin.version>
+     <spotbugs.version>4.2.2</spotbugs.version>
+@@ -2435,6 +2435,13 @@ flexible messaging model and an intuitive client API.</description>
+         <enabled>false</enabled>
+       </snapshots>
+     </repository>
++    <repository>
++      <id>loongarch</id>
++      <url>https://maven.loongnix.cn/loongarch/maven/</url>
++      <snapshots>
++        <enabled>false</enabled>
++      </snapshots>
++    </repository>
+     <repository>
+       <id>confluent</id>
+       <url>https://packages.confluent.io/maven/</url>
+-- 
+2.43.0
+
diff --git a/pulsar.spec b/pulsar.spec
index dd2e0c29feb6fac9f4de52b6ae9954d548d5d565..f619604f15e2b897ab62142bcf12680d5cd81386 100644
--- a/pulsar.spec
+++ b/pulsar.spec
@@ -1,6 +1,6 @@
 %define debug_package %{nil}
 %define pulsar_ver 2.10.4
-%define pkg_ver 19
+%define pkg_ver 20
 %define _prefix /opt/pulsar
 Summary: Cloud-Native, Distributed Messaging and Streaming
 Name: pulsar
@@ -29,6 +29,7 @@ Patch0016: 0016-handle-exception.patch
 Patch0017: 0017-return-earliest-position.patch
 Patch0018: 0018-return-when-AbstractDispatcherSingleActiveConsumer-closed.patch
 Patch0019: 0019-clean-inactive-bundle.patch
+Patch0020: 0020-add-loongarch64-support-for-pulsar.patch
 BuildRoot: /root/rpmbuild/BUILDROOT/
 BuildRequires: java-1.8.0-openjdk-devel,maven,systemd
 Requires: java-1.8.0-openjdk,systemd
@@ -60,6 +61,7 @@ Pulsar is a distributed pub-sub messaging platform with a very flexible messagin
 %patch0017 -p1
 %patch0018 -p1
 %patch0019 -p1
+%patch0020 -p1
 
 %build
 mvn clean install -Pcore-modules,-main -DskipTests
@@ -85,6 +87,9 @@ getent passwd pulsar >/dev/null || useradd -r -g pulsar -d / -s /sbin/nologin pu
 exit 0
 
 %changelog
+* Thu Apr 17 2025 Wenlong Zhang <zhangwenlong@loongson.cn> - 2.10.4-20
+- add loongarch64 support for pulsar
+
 * Fri Dec 8 2023 Dapeng Sun <sundapeng@cmss.chinamobile.com> - 2.10.4-19
 - clean inactive bundle from bundleData in loadData and bundlesCache
 * Fri Dec 8 2023 Dapeng Sun <sundapeng@cmss.chinamobile.com> - 2.10.4-18