diff --git a/advisors/review_tool.py b/advisors/review_tool.py
index dccb2703bf3ceba8ad48f62930ea62925ddab5a7..3925fa462f72c4f69031ff4a59df81e430adb812 100755
--- a/advisors/review_tool.py
+++ b/advisors/review_tool.py
@@ -603,6 +603,7 @@ def prepare_env(work_dir, reuse, pr_tuple, branch):
     gitee_url = "https://gitee.com/{repo}.git".format(repo=repo)
     local_path = os.path.join(work_dir, local_repo_name(group, repo_name, pull_id))
     if os.path.exists(local_path) and not reuse:
+        print("WARNING: %s already exist, delete it." % local_path)
         shutil.rmtree(local_path)
     if not os.path.exists(local_path):
         if exec_cmd(["git", "clone", gitee_url, local_path]) != 0:
diff --git a/prow/prow_review_tool b/prow/prow_review_tool
index 5334408774cecf50cb4bfcec7e4d3ce0c096bf76..40ec9ce9db9d36f1e1e88d84595e11a798f48369 100755
--- a/prow/prow_review_tool
+++ b/prow/prow_review_tool
@@ -63,19 +63,23 @@ if __name__ == '__main__':
             return_code = subp.returncode
         elif args.event == 'Note Hook' and data['action'] == 'comment' \
                 and data['noteable_type'] == 'PullRequest':
-            if not data['comment']['body'].startswith("/review"):
+            if not data['comment']['body'].startswith("/review "):
                 sys.exit(2)
+            sets_li = []
             for line in data['comment']['body'].splitlines():
-                if line.strip().startswith("/review"):
-                    args = line.strip().split(' ', 1)
-                    content = args[1]
-                    subp = subprocess.run(["python3", get_cmd(),
-                        "-u", data['pull_request']['html_url'], "-e", content],
-                        stdout=subprocess.PIPE,
-                        stderr=subprocess.STDOUT,
-                        encoding="utf-8",
-                        check=False)
-                    return_code = subp.returncode
+                if line.strip().startswith("/review "):
+                    sets = line.strip().split(maxsplit=1)[1]
+                    sets_li.append(sets)
+            contents = " ".join(sets_li)
+            if not contents:
+                sys.exit(2)
+            subp = subprocess.run(["python3", get_cmd(),
+                "-u", data['pull_request']['html_url'], "-e", contents],
+                stdout=subprocess.PIPE,
+                stderr=subprocess.STDOUT,
+                encoding="utf-8",
+                check=False)
+            return_code = subp.returncode
         else:
             print("prow_review_tool: this action type not need to process.")
     if return_code != 0: