diff --git a/.github/workflows/prettier.yml b/.github/workflows/prettier.yml
index ec9ec74..76aa20c 100644
--- a/.github/workflows/prettier.yml
+++ b/.github/workflows/prettier.yml
@@ -11,9 +11,15 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
+        if: github.event.pull_request.head.repo.full_name == 'XTLS/Xray-docs-next'
         uses: actions/checkout@v4
         with:
           ref: ${{ github.head_ref }}
+      - name: Checkout
+        if: github.event.pull_request.head.repo.full_name != 'XTLS/Xray-docs-next'
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 2
       - name: Prettify code
         if: github.event.pull_request.head.repo.full_name == 'XTLS/Xray-docs-next'
         uses: creyD/prettier_action@v4.6