diff --git a/tc_reminder.py b/tc_reminder.py
index bb651c29c52cc115e76a67027284f77c4fca3cb9..1c76f68aab91df38b9168c853335d169fb5a6038 100755
--- a/tc_reminder.py
+++ b/tc_reminder.py
@@ -14,17 +14,21 @@ import yaml
 from pprint import pprint
 from datetime import datetime
 
-class Advisor:
+class Advisor(object):
+    """
+    This is a object abstract TC robot
+    """
     def __init__(self):
-        self.secret = open(os.path.expanduser("~/.gitee_token.json"), "r")
+        self.secret = open(os.path.expanduser("~/.gitee_personal_token.json"), "r")
         self.token = json.load(self.secret)
-#        self.req = urllib.request.Request('https://gitee.com/api/v5/repos/#{owner}/issues')
         self.header = {"User-Agent":"Mozilla/5.0 (Windows NT 10.0; WOW64; rv:50.0) Gecko/20100101 Firefox/50.0"}
         self.tc_members = None
         self.time_format = "%Y-%m-%dT%H:%M:%S%z"
 
-
     def get_json(self, url):
+        """
+        Return object parsed from remote json
+        """
         headers = self.header.copy()
         headers["Content-Type"] = "application/json;charset=UTF-8"
         req = urllib.request.Request(url = url, 
@@ -35,8 +39,10 @@ class Advisor:
             resp = json.loads(u.read().decode("utf-8"))
         return resp
 
-
     def get_file(self, repo, path):
+        """
+        Get remote raw file
+        """
         url = "https://gitee.com/{repo}/raw/master/{path}".format(repo=repo, path=path)
         req = urllib.request.Request(url = url, 
                 headers = self.header,
@@ -48,21 +54,35 @@ class Advisor:
         return resp
 
     def get_prs(self):
-        list_url = "https://gitee.com/api/v5/repos/openeuler/community/pulls?access_token={token}&state=open&sort=created&direction=desc&page=1&per_page=100"
+        """
+        Get list of PRs
+        """
+        pulls_url = "https://gitee.com/api/v5/repos/openeuler/community/pulls"
+        list_url = pulls_url + "?access_token={token}&state=open&sort=created&direction=desc&page=1&per_page=100"
         url = list_url.format(token=self.token["access_token"])
         return self.get_json(url)
 
     def get_pr_comments(self, number):
-        desc_url = "https://gitee.com/api/v5/repos/openeuler/community/pulls/{number}/comments?access_token={token}&page=1&per_page=100"
+        """
+        Get Comments for a specific PR
+        """
+        pulls_url = "https://gitee.com/api/v5/repos/openeuler/community/pulls"
+        desc_url = pulls_url + "/{number}/comments?access_token={token}&page=1&per_page=100"
         url = desc_url.format(number=number, token=self.token["access_token"])
         return self.get_json(url)
 
     def get_tc_members(self):
+        """
+        Get list of current TC members
+        """
         m = yaml.load(adv.get_file("openeuler/community", "sig/TC/OWNERS"), Loader=yaml.Loader)
         self.tc_members = m["maintainers"]
         return m["maintainers"]
 
     def filter_out_tc(self, users):
+        """
+        Pick TC members from users
+        """
         if not self.tc_members:
             self.get_tc_members()
         return [x for x in self.tc_members if x in users]
@@ -75,18 +95,36 @@ if __name__ == "__main__":
 
     adv = Advisor()
     PRs = adv.get_prs()
+    PRs.reverse()
     for pr in PRs:
         commenters = []
         commenters.append(pr["user"]["login"])
         last_update = pr["updated_at"]
         print("URL: https://gitee.com/openeuler/community/pulls/{number}".format(number=pr["number"]))
-        print("Title: "+pr["title"])
-        comm = adv.get_pr_comments(pr["number"])
-        for c in comm:
-            #print("comment updated at:")
-            #pprint(datetime.strptime(c["updated_at"], adv.time_format)) 
-            commenters.append(c["user"]["login"]) 
+        print("Title: " + pr["title"])
+        comments = adv.get_pr_comments(pr["number"])
+        last_update = datetime.strptime(comments[0]["updated_at"], adv.time_format)
+        comments.reverse()
+        current_lgtm = 0
+        current_approve = False
+        for comment in comments:
+            commenters.append(comment["user"]["login"]) 
+            if comment["body"].startswith("new changes are detected"):
+                last_update = datetime.strptime(comment["updated_at"], adv.time_format)
+                break # older comments are ignored
+            elif comment["body"].startswith("***lgtm*** is added in this pull request"):
+                current_lgtm = current_lgtm + 1
+            elif comment["body"].startswith("***approved*** is added in this pull request"):
+                current_approve = True
+
         tc = adv.filter_out_tc(commenters)
-        print("Currently involved TC members: " + ", ".join(tc) + "\n")
+        age = datetime.now() - last_update.replace(tzinfo=None)
+        age_days = max(age.days, 0)
+        print("Currently {num} days old".format(num=age_days))
+        print("Currently involved TC members: " + ", ".join(tc))
+        print("Currently has {num} /lgtm".format(num=current_lgtm))
+        if current_approve:
+            print("Currently /approve")
+        print("")