diff --git a/sig/Application/OWNERS b/sig/Application/OWNERS
index cb028c77648aa12f73f7715572b7231e2f722747..d31fbdb9b38ff802029fcd61e86543f6f30c47d3 100644
--- a/sig/Application/OWNERS
+++ b/sig/Application/OWNERS
@@ -1,3 +1,3 @@
 maintainers:
 - Clergy97
-- Peanut_Huang
\ No newline at end of file
+- whsq
\ No newline at end of file
diff --git a/sig/Application/oceanstor/a/antlr-maven-plugin.yaml b/sig/Application/oceanstor/a/antlr-maven-plugin.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..dfecbe793033f4048e8b9ce05233408b1029d1eb
--- /dev/null
+++ b/sig/Application/oceanstor/a/antlr-maven-plugin.yaml
@@ -0,0 +1,8 @@
+name: antlr-maven-plugin
+description: Maven plugin that generates files based on grammar file(s)
+branches:
+- name: master
+  type: protected
+- name: openEuler-20.03-LTS-Next
+  type: protected
+type: public