diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 39c7266..88673df 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -43,7 +43,7 @@ jobs:
 
   build_test:
     name: Build oneflow and backend
-    runs-on: [self-hosted, linux, provision]
+    runs-on: [self-hosted, linux, gpu]
     needs: [cancel_previous]
     if: github.event_name == 'release' || github.event_name == 'schedule' || github.event_name == 'workflow_dispatch' || (github.event.pull_request.draft == false && github.base_ref == 'main' && contains(github.event.pull_request.requested_reviewers.*.login, 'oneflow-ci-bot'))
     outputs:
diff --git a/ci/build/backend.sh b/ci/build/backend.sh
index 23125bb..c646f78 100644
--- a/ci/build/backend.sh
+++ b/ci/build/backend.sh
@@ -2,8 +2,6 @@
 set -euxo pipefail
 
 # build oneflow-backend
-git config --global http.proxy ${HTTP_PROXY}
-git config --global https.proxy ${HTTP_PROXY}
 
 mkdir -p build
 cd build