diff --git a/.github/workflows/check.yaml b/.github/workflows/check.yaml
index 7590ded..aa0089f 100644
--- a/.github/workflows/check.yaml
+++ b/.github/workflows/check.yaml
@@ -4,7 +4,7 @@ on:
   pull_request:
     branches:
       - master
-      - '2.2'
+      - "[0-9]+.[0-9]+"
 
 jobs:
   build:
@@ -33,4 +33,4 @@ jobs:
       run: |
         python -m grpc_tools.protoc -I ./proto --python_out=./ ./proto/common.proto
         python -m grpc_tools.protoc -I ./proto --python_out=./ ./proto/schema.proto
-        python -m grpc_tools.protoc -I ./proto --python_out=./ --grpc_python_out=./ ./proto/milvus.proto
\ No newline at end of file
+        python -m grpc_tools.protoc -I ./proto --python_out=./ --grpc_python_out=./ ./proto/milvus.proto