diff --git a/.github/workflows/main.yaml b/.github/workflows/main.yaml
index 7ea48e8226..2fb1d11989 100644
--- a/.github/workflows/main.yaml
+++ b/.github/workflows/main.yaml
@@ -76,7 +76,7 @@ jobs:
           docker-compose up -d pulsar etcd minio
       - name: Build and UnitTest
         run: |
-          ./build/builder.sh /bin/bash -c "make check-proto-product && make codecov"
+          ./build/builder.sh /bin/bash -c "make ci-ut"
       - name: Get the status & restart count for containers when ut failed
         if: ${{ failure() }}
         run: |  
diff --git a/Makefile b/Makefile
index 62fdd5d27f..33da871f1d 100644
--- a/Makefile
+++ b/Makefile
@@ -22,6 +22,7 @@ ARCH := $(shell arch)
 mode = Release
 disk_index = OFF
 
+
 export GIT_BRANCH=master
 
 milvus: build-cpp print-build-info
@@ -46,14 +47,19 @@ tools/bin/revive: tools/check/go.mod
 cppcheck:
 	@(env bash ${PWD}/scripts/core_build.sh -l)
 
-generated-proto-go: export protoc:=${PWD}/cmake_build/thirdparty/protobuf/protobuf-build/protoc
-generated-proto-go: build-cpp
+# put generate proto as a separated target because build cpp have different cases like with unittest.
+generated-proto-go-without-cpp: export protoc:=${PWD}/cmake_build/thirdparty/protobuf/protobuf-build/protoc
+generated-proto-go-without-cpp: 
 	@mkdir -p ${GOPATH}/bin
 	@which protoc-gen-go 1>/dev/null || (echo "Installing protoc-gen-go" && cd /tmp && go install github.com/golang/protobuf/protoc-gen-go@v1.3.2)
 	@(env bash $(PWD)/scripts/proto_gen_go.sh)
 
-check-proto-product: generated-proto-go
-	@(env bash $(PWD)/scripts/check_proto_product.sh)
+generated-proto-go: build-cpp generated-proto-go-without-cpp
+
+check-proto-product-only:
+	 @(env bash $(PWD)/scripts/check_proto_product.sh)
+check-proto-product: generated-proto-go check-proto-product-only
+	
 
 fmt:
 ifdef GO_DIFF_FILES
@@ -289,3 +295,6 @@ mock-datanode:
 
 mock-tnx-kv:
 	mockery --name=TxnKV --dir=$(PWD)/internal/kv --output=$(PWD)/internal/kv/mocks --filename=TxnKV.go --with-expecter
+
+
+ci-ut: build-cpp-with-coverage generated-proto-go-without-cpp codecov-cpp codecov-go