diff --git a/api/checks/runs.py b/api/checks/runs.py
index a5d0dca..05ace7b 100644
--- a/api/checks/runs.py
+++ b/api/checks/runs.py
@@ -1,11 +1,10 @@
 from core.rest_client import RestClient
 
-
 class Runs(RestClient):
 
-    def list_check_runs(self, owner, repo, ref, **kwargs):
+    def list_check_runs(self,owner,repo,ref, **kwargs):
         """
-        https://developer.github.com/v3/checks/runs/#list-check-runs-for-a-specific-ref
+        https://docs.github.com/en/rest/reference/checks#list-check-runs-for-a-git-reference
         """
-        headers = {'Accept': 'application/vnd.github.antiope-preview+json'}
-        return self.get("/repos/{}/{}/commits/{}/check-runs".format(owner, repo, ref), headers=headers, **kwargs)
+         return self.get("/repos/{}/{}/commits/{}/check-runs".format(owner,repo,ref), **kwargs)
+
diff --git a/scripts/debug.py b/scripts/debug.py
index 1a1b97e..f481508 100644
--- a/scripts/debug.py
+++ b/scripts/debug.py
@@ -11,3 +11,4 @@
     # test 2: 在当前用户下创建一个repo，使用一些输入值
     result = create_repo(github, "simpletest03", has_issues=False)
     assert result.success == True, result.error
+
diff --git a/test0331.txt b/test0331.txt
new file mode 100644
index 0000000..fb39e0f
--- /dev/null
+++ b/test0331.txt
@@ -0,0 +1 @@
+create new branch.
\ No newline at end of file