diff --git a/.github/workflows/build-wheels.yml b/.github/workflows/build-wheels.yml
index d79ad4f06..e6abd4bcb 100644
--- a/.github/workflows/build-wheels.yml
+++ b/.github/workflows/build-wheels.yml
@@ -16,6 +16,7 @@ on:
 
 jobs:
   build_wheels_pypitest:
+    if: ${{ github.event.inputs.release-testpypi }} == "true"
     name: Build wheels on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     if: ${{ inputs.release-testpypi }}
@@ -84,6 +85,7 @@ jobs:
           repository_url: https://test.pypi.org/legacy/          
 
   build_wheels:
+    if: ${{ github.event.inputs.release }} == "true"
     name: Build wheels on ${{ matrix.os }}
     runs-on: ${{ matrix.os }}
     if: ${{ inputs.release }}
diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e14d8035b..242d15748 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -115,6 +115,8 @@ jobs:
           # ref https://github.com/pypa/setuptools/issues/3198
           pip install -e .
           python -m unittest discover -s src/PY/test
+      - if: matrix.python-version == '3.8'
+        run : |
           pip install -r plugins/PY/requirements.txt
           python -m unittest discover -s plugins/PY/pinpointPy
   Collector-agent:
@@ -137,5 +139,7 @@ jobs:
         uses: arduino/setup-protoc@v2.1.0
       
       - run: |
+          export GO_PATH=~/go
+          export PATH=$PATH:/$GO_PATH/bin
           go install google.golang.org/protobuf/cmd/protoc-gen-go@latest && go install google.golang.org/grpc/cmd/protoc-gen-go-grpc@latest
           cd collector-agent && make && go test ./... -v
\ No newline at end of file