diff --git a/product/en/docs-mogdb/v2.1/reference-guide/tool-reference/tools-used-in-the-internal-system/gs_install_plugin.md b/product/en/docs-mogdb/v2.1/reference-guide/tool-reference/tools-used-in-the-internal-system/gs_install_plugin.md
index 826b4c9e80ae356c1fdcbeec469ab20ffdd8a4eb..8c4d069a4a15d5306f034bbbd55b640c82e3f568 100644
--- a/product/en/docs-mogdb/v2.1/reference-guide/tool-reference/tools-used-in-the-internal-system/gs_install_plugin.md
+++ b/product/en/docs-mogdb/v2.1/reference-guide/tool-reference/tools-used-in-the-internal-system/gs_install_plugin.md
@@ -17,6 +17,24 @@ MogDB provides gs_install_plugin for installing plugins. Currently, the supporte
 
 The deployment of MogDB with one primary node and multiple standby nodes has been completed.
 
+> **release patch notes**:
+>
+> There is a known bug in version 2.1 of this tool that causes installation failure due to unrecognized plug-in packages.
+> Please do the following to fix the patch before using this tool and then proceed with the subsequent plugin installation (for 2.1.x).
+>
+> - When the extranet is accessible.
+>
+> 1. switch to the user who installed the database (e.g.: omm): `su - omm`
+> 2. perform online repair: `cd $GPHOME && curl https://cdn-mogdb.enmotech.com/mogdb-media/2.1.1/om_plugin_install_v2.1.1.patch | patch -p1`
+>
+> - When unable to access the extranet.
+>
+> 1. Please download the patch file [om_plugin_install_v2.1.1.patch](https://cdn-mogdb.enmotech.com/mogdb-media/2.1.1/om_plugin_install_v2.1.1.patch) from a server with internet access first, and then copy the patch file to the server to be repaired.
+> 2. Switch to the user who installed the database (e.g.: omm): `su - omm`
+> 3. Execute `cd $GPHOME && patch -p1 < [replace Patch file path here]`
+
+&nbsp;
+
 ## Syntax
 
 ```
@@ -150,7 +168,6 @@ gs_install_plugin [-h] [-X XML] [--all] [--dblink] [--pg_trgm] [--wal2json] [--p
 
     ```bash
     /opt/software/mogdb/script/gs_install_plugin -X /opt/software/mogdb/clusterconfig.xml --all
-
     # When the installation is successful, the output is as follows:
     SUCCESS: dblink.
     SUCCESS: pg_trgm.
diff --git a/product/en/docs-mogdb/v2.1/reference-guide/tool-reference/tools-used-in-the-internal-system/gs_install_plugin_local.md b/product/en/docs-mogdb/v2.1/reference-guide/tool-reference/tools-used-in-the-internal-system/gs_install_plugin_local.md
index b8454731b5be75b32b237250a4425cfa046779f2..cec6b7e2bd2e89f684b03ce16e72e44001c4cbb5 100644
--- a/product/en/docs-mogdb/v2.1/reference-guide/tool-reference/tools-used-in-the-internal-system/gs_install_plugin_local.md
+++ b/product/en/docs-mogdb/v2.1/reference-guide/tool-reference/tools-used-in-the-internal-system/gs_install_plugin_local.md
@@ -17,6 +17,24 @@ MogDB provides gs_install_plugin_local for installing plugins. Currently, the su
 
 The deployment of MogDB single node has been completed.
 
+> **release patch notes**:
+>
+> There is a known bug in version 2.1 of this tool that causes installation failure due to unrecognized plug-in packages.
+> Please do the following to fix the patch before using this tool and then proceed with the subsequent plugin installation (for 2.1.x).
+>
+> - When the extranet is accessible.
+>
+> 1. switch to the user who installed the database (e.g.: omm): `su - omm`
+> 2. perform online repair: `cd $GPHOME && curl https://cdn-mogdb.enmotech.com/mogdb-media/2.1.1/om_plugin_install_v2.1.1.patch | patch -p1`
+>
+> - When unable to access the extranet.
+>
+> 1. Please download the patch file [om_plugin_install_v2.1.1.patch](https://cdn-mogdb.enmotech.com/mogdb-media/2.1.1/om_plugin_install_v2.1.1.patch) from a server with internet access first, and then copy the patch file to the server to be repaired.
+> 2. Switch to the user who installed the database (e.g.: omm): `su - omm`
+> 3. Execute `cd $GPHOME && patch -p1 < [replace Patch file path here]`
+
+&nbsp;
+
 ## Syntax
 
 ```
@@ -141,7 +159,6 @@ gs_install_plugin_local [-h] [-X XML] [--all] [--dblink] [--pg_trgm] [--wal2json
 
     ```bash
     /opt/software/mogdb/script/gs_install_plugin_local -X /opt/software/mogdb/clusterconfig.xml --all
-
     # When the installation is successful, the output is as follows:
     SUCCESS: dblink.
     SUCCESS: pg_trgm.