diff --git a/.github/workflows/mock-project-build.yml b/.github/workflows/mock-project-build.yml
index 527f5362ba..1c7f334280 100644
--- a/.github/workflows/mock-project-build.yml
+++ b/.github/workflows/mock-project-build.yml
@@ -13,6 +13,7 @@ concurrency:
 
 jobs:
   pr-check-ci:
+    if: github.repository == 'ant-design/ant-design'
     runs-on: ubuntu-latest
     name: Build Project
     steps:
diff --git a/.github/workflows/pr-check-ci.yml b/.github/workflows/pr-check-ci.yml
index b065fa90d9..33d9716ea9 100644
--- a/.github/workflows/pr-check-ci.yml
+++ b/.github/workflows/pr-check-ci.yml
@@ -10,6 +10,7 @@ permissions:
 
 jobs:
   pr-check-ci:
+    if: github.repository == 'ant-design/ant-design'
     permissions:
       checks: read  # for actions-cool/check-pr-ci to get check reference
       contents: write  # for actions-cool/check-pr-ci to merge PRs