diff --git a/parser/sql/dialect/opengauss/src/main/antlr4/imports/opengauss/DALStatement.g4 b/parser/sql/dialect/opengauss/src/main/antlr4/imports/opengauss/DALStatement.g4
index c7e2d9c0147ae..6344fecc52751 100644
--- a/parser/sql/dialect/opengauss/src/main/antlr4/imports/opengauss/DALStatement.g4
+++ b/parser/sql/dialect/opengauss/src/main/antlr4/imports/opengauss/DALStatement.g4
@@ -33,7 +33,7 @@ set
     | SCHEMA STRING_
     | NAMES encoding?
     | ROLE nonReservedWordOrSconst
-    | SESSION AUTHORIZATION nonReservedWordOrSconst
+    | SESSION AUTHORIZATION IDENTIFIER_ PASSWORD STRING_
     | SESSION AUTHORIZATION DEFAULT
     | XML OPTION documentOrContent)
     ;
diff --git a/test/it/parser/src/main/resources/case/dal/set.xml b/test/it/parser/src/main/resources/case/dal/set.xml
index 80b95dfbceb7b..f955d30e79aae 100644
--- a/test/it/parser/src/main/resources/case/dal/set.xml
+++ b/test/it/parser/src/main/resources/case/dal/set.xml
@@ -118,4 +118,5 @@
             <parameter name="CLIENT_ENCODING" />
         </parameter-assign>
     </set-parameter>
+    <set-parameter sql-case-id="set_session_authorization" />
 </sql-parser-test-cases>
diff --git a/test/it/parser/src/main/resources/sql/supported/dal/set.xml b/test/it/parser/src/main/resources/sql/supported/dal/set.xml
index 7c748805f2675..0f92b710d6151 100644
--- a/test/it/parser/src/main/resources/sql/supported/dal/set.xml
+++ b/test/it/parser/src/main/resources/sql/supported/dal/set.xml
@@ -44,4 +44,5 @@
     <sql-case id="set_charset_mysql" value="SET NAMES 'utf8'" db-types="MySQL" />
     <sql-case id="set_charset_postgresql" value="SET NAMES 'UTF8'" db-types="PostgreSQL" />
     <sql-case id="set_client_encoding" value="SET CLIENT_ENCODING TO 'UTF8'" db-types="PostgreSQL" />
+    <sql-case id="set_session_authorization" value="SET SESSION AUTHORIZATION user1 PASSWORD 'password'" db-types="openGauss" />
 </sql-cases>