diff --git a/lib/tasks/commit_log_to_db.rake b/lib/tasks/commit_log_to_db.rake
index b434583f2..359a844fc 100644
--- a/lib/tasks/commit_log_to_db.rake
+++ b/lib/tasks/commit_log_to_db.rake
@@ -63,6 +63,7 @@ namespace :commit_log_to_db do
       # "luoyuan <luoyuan7@huawei.com>"
       commit_author = "#{commiter['name']} <#{commiter['email']}>"
       commit_sha = commit['sha']
+      next if CommitLog.find_by(commit_id: commit_sha).present?
       ref = "master"
       commit_message = commit['commit']['message'].to_s.gsub("/n","").gsub("\"","")
       user = User.find_by(mail: commiter['email'])