diff --git a/.dev_scripts/dockerci.sh b/.dev_scripts/dockerci.sh
index 0db69f3e..b4332f39 100644
--- a/.dev_scripts/dockerci.sh
+++ b/.dev_scripts/dockerci.sh
@@ -9,6 +9,10 @@ cpu_sets_arr=($cpu_sets)
 is_get_file_lock=false
 CI_COMMAND=${CI_COMMAND:-bash .dev_scripts/ci_container_test.sh python tests/run.py --parallel 2 --run_config tests/run_config.yaml}
 echo "ci command: $CI_COMMAND"
+PR_CHANGED_FILES="${PR_CHANGED_FILES:-''}"
+echo "PR modified files: $PR_CHANGED_FILES"
+PR_CHANGED_FILES=${PR_CHANGED_FILES//[ ]/#}
+echo "PR_CHANGED_FILES: $PR_CHANGED_FILES"
 idx=0
 for gpu in $gpus
 do
@@ -42,6 +46,7 @@ do
               -e MODELSCOPE_ENVIRONMENT='ci' \
               -e TEST_UPLOAD_MS_TOKEN=$TEST_UPLOAD_MS_TOKEN \
               -e MODEL_TAG_URL=$MODEL_TAG_URL \
+              -e PR_CHANGED_FILES=$PR_CHANGED_FILES \
               --workdir=$CODE_DIR_IN_CONTAINER \
               ${IMAGE_NAME}:${IMAGE_VERSION} \
               $CI_COMMAND
@@ -64,6 +69,7 @@ do
               -e MODELSCOPE_ENVIRONMENT='ci' \
               -e TEST_UPLOAD_MS_TOKEN=$TEST_UPLOAD_MS_TOKEN \
               -e MODEL_TAG_URL=$MODEL_TAG_URL \
+              -e PR_CHANGED_FILES=$PR_CHANGED_FILES \
               --workdir=$CODE_DIR_IN_CONTAINER \
               ${IMAGE_NAME}:${IMAGE_VERSION} \
               $CI_COMMAND
diff --git a/.github/workflows/citest.yaml b/.github/workflows/citest.yaml
index 463d391c..8060f0bb 100644
--- a/.github/workflows/citest.yaml
+++ b/.github/workflows/citest.yaml
@@ -52,10 +52,19 @@ jobs:
           sudo chown -R $USER:$USER  $ACTION_RUNNER_DIR
 
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
         with:
             lfs: 'true'
             submodules: 'true'
+            fetch-depth: ${{ github.event_name == 'pull_request' && 2 || 0 }}
+      - name: Get changed files
+        id: changed-files
+        run: |
+            if ${{ github.event_name == 'pull_request' }}; then
+                echo "PR_CHANGED_FILES=$(git diff --name-only -r HEAD^1 HEAD | xargs)" >> $GITHUB_ENV
+            else
+                echo "PR_CHANGED_FILES=$(git diff --name-only ${{ github.event.before }} ${{ github.event.after }} | xargs)" >> $GITHUB_ENV
+            fi
       - name: Checkout LFS objects
         run: git lfs checkout
       - name: Run unittest
diff --git a/tests/run_analysis.py b/tests/run_analysis.py
index ca0a0018..95c24698 100644
--- a/tests/run_analysis.py
+++ b/tests/run_analysis.py
@@ -125,16 +125,21 @@ def get_current_branch():
 
 
 def get_modified_files():
-    cmd = ['git', 'diff', '--name-only', 'origin/master...']
-    cmd_output = run_command_get_output(cmd)
-    logger.info('Modified files: ')
-    logger.info(cmd_output)
+    if 'PR_CHANGED_FILES' in os.environ and os.environ[
+            'PR_CHANGED_FILES'] != '':
+        logger.info('Getting PR modified files.')
+        # get modify file from environment
+        diff_files = os.environ['PR_CHANGED_FILES'].replace('#', '\n')
+    else:
+        cmd = ['git', 'diff', '--name-only', 'origin/master...']
+        diff_files = run_command_get_output(cmd)
+    logger.info('Diff files: ')
+    logger.info(diff_files)
     modified_files = []
     # remove the deleted file.
-    for diff_file in cmd_output.splitlines():
-        if os.path.exists(diff_file):
-            modified_files.append(diff_file)
-
+    for diff_file in diff_files.splitlines():
+        if os.path.exists(diff_file.strip()):
+            modified_files.append(diff_file.strip())
     return modified_files