diff --git a/WebBasedCrawler/base/dbdata.py b/WebBasedCrawler/base/dbdata.py
new file mode 100644
index 0000000..d08d986
--- /dev/null
+++ b/WebBasedCrawler/base/dbdata.py
@@ -0,0 +1,51 @@
+from pymysql.connections import Connection
+import datetime
+from numbers import Number
+
+class DataDBRow:
+    def __init__(self):
+        self.platform_name = None
+        self.platform_form = None
+        self.platform_title = None
+        self.article_form = None
+        self.article_parent = None
+        self.article_id = None
+        self.article_nickname = None
+        self.article_title = None
+        self.article_data = None
+        self.article_url = None
+        self.article_hit = 0
+        self.article_date = None
+        self.article_order = 0
+        self.article_profile = None
+        self.article_profileurl = None
+        self.platform_id = None
+        self.keyword_id = -1
+        self.reply_url = None
+        self.etc = None
+
+    def get_insert_query(self, conn, db_num):
+
+        inst = DataDBRow()
+
+        keys = ''
+        values = ''
+        for key, value_type in inst.__dict__.items():
+            if key.startswith('__') or callable(value_type):
+                continue
+
+            if len(keys) > 0:
+                keys += ', '
+                values += ', '
+
+            keys += key
+            value = self.__dict__[key]
+            if isinstance(value, Number):
+                values += str(value)
+            elif isinstance(value, str):
+                values += conn.escape(value.encode('utf8').decode('utf8'))
+            else:
+                values += conn.escape(value)
+
+        query = 'insert into data_{} ({}) values ({})'.format(db_num, keys, values)
+        return query
diff --git a/WebBasedCrawler/twitter/twconfig.py b/WebBasedCrawler/twitter/twconfig.py
new file mode 100644
index 0000000..082079a
--- /dev/null
+++ b/WebBasedCrawler/twitter/twconfig.py
@@ -0,0 +1,41 @@
+import datetime
+
+
+class TwitterConfig:
+    protocol = 'https'
+    top_url = 'twitter.com'
+    search_url = '/i/search/timeline'
+
+    def __init__(self):
+        self.keyword_id = -1
+        self.db_num = -1
+
+        self.id = 0
+        self.realtime = False
+        self.keywords = []
+        self.start_str = None
+        self.start = None
+        self.end_str = None
+        self.end = None
+        self.authorship = None
+        self.state = None
+        self.platform = None
+
+    def set_param(self, keyword_id, db_num, params):
+        self.keyword_id = int(keyword_id)
+        self.db_num = int(db_num)
+
+        self.id = int(params['id'])
+        self.realtime = params['realtime'] == '1'
+
+        self.keywords = []
+        for keyword in params['searches'].split(','):
+            self.keywords.append(keyword.strip())
+
+        self.start = datetime.datetime.combine(params['start'], datetime.datetime.min.time())
+        self.start_str = str(params['start'])
+        self.end = datetime.datetime.combine(params['end'], datetime.datetime.min.time())
+        self.end_str = str(params['end'])
+        self.authorship = params['authorship']
+        self.state = params['state']
+        self.platform = params['platform']
\ No newline at end of file
diff --git a/WebBasedCrawler/twitter/twdbhelper.py b/WebBasedCrawler/twitter/twdbhelper.py
new file mode 100644
index 0000000..1b702d2
--- /dev/null
+++ b/WebBasedCrawler/twitter/twdbhelper.py
@@ -0,0 +1,39 @@
+from twitter.tweet import Tweet
+from base.dbdata import DataDBRow
+
+
+class TwitterDBHelper:
+    pymysql = __import__('pymysql.cursors')
+
+    def __init__(self):
+        self.conn = self.pymysql.connect(host='bigbird.iptime.org',
+                                         user='admin', passwd='admin123',
+                                         db='concepters', charset='utf8',
+                                         cursorclass=self.pymysql.cursors.DictCursor)
+
+    def __del__(self):
+        self.conn.close()
+
+    def get_param(self, keyword_id):
+        query = "select * from keyword where id = " + str(keyword_id)
+        params = []
+        try:
+            with self.conn.cursor() as cursor:
+                cursor.execute(query)
+                params = cursor.fetchone()
+
+        except Exception as e:
+            print(e)
+            exit(1)
+
+        return params
+
+    def insert_tweet(self, db_num: int, tweet: Tweet):
+        query = tweet.get_insert_query(self.conn, db_num)
+
+        try:
+            with self.conn.cursor() as cursor:
+                cursor.execute(query)
+                self.conn.commit()
+        except Exception as e:
+            print(e)
diff --git a/WebBasedCrawler/twitter/tweet.py b/WebBasedCrawler/twitter/tweet.py
new file mode 100644
index 0000000..23a4b99
--- /dev/null
+++ b/WebBasedCrawler/twitter/tweet.py
@@ -0,0 +1,20 @@
+from base.dbdata import DataDBRow
+
+
+class Tweet(DataDBRow):
+
+    def __init__(self):
+        super(self.__class__, self).__init__()
+
+        self.user_id = None
+        self.user_name = None
+        self.text = None
+        self.created_at = None
+        self.retweets = 0
+        self.favorites = 0
+
+        self.is_reply = False
+        self.reply_cnt = 0
+        self.retweet_cnt = 0
+        self.favorite_cnt = 0
+        self.tweet_link = None
diff --git a/WebBasedCrawler/twitter/twittercrawl.py b/WebBasedCrawler/twitter/twittercrawl.py
index 585ceb0..02b8ec4 100644
--- a/WebBasedCrawler/twitter/twittercrawl.py
+++ b/WebBasedCrawler/twitter/twittercrawl.py
@@ -1,36 +1,107 @@
+from twitter.twconfig import TwitterConfig
+from twitter.twdbhelper import TwitterDBHelper
+from twitter.tweet import Tweet
+from twitter.twparser import TweetParser
 
-class TwitterMainCrawler:
+import base.proxy
+
+import requests
+import bs4
+import json
+from urllib import parse
+
+
+class TwitterCrawler:
     def __init__(self):
-        self.keyword_id = -1
-        pass
-
-    def init_keyword_id(self, keyword_id):
-        if type(keyword_id) != int:
-            self.keyword_id = int(keyword_id)
-        else:
-            self.keyword_id = keyword_id
-        # self.crawl_init.get_keyword_parameters(keyword_id)
-        # self.crawl_init.disconnect()
-        pass
-
-    def init_db(self, db_num):
-        # self.send_to_db.set_db(db_num)
-        pass
-
-    def init_before_day(self, before_day):
-        # self.crawl_init.set_before_day(before_day)
-        pass
-
-    def init_until_page(self, until_page):
-        # self.crawl_init.set_until_page(until_page)
-        pass
+        self.config = TwitterConfig()
+        self.db_helper = TwitterDBHelper()
+        self.proxies = None
 
     def set_arguments(self, browser, keyword_id, db_num, before_day, until_page):
-        self.init_keyword_id(keyword_id)
-        self.init_db(db_num)
-        self.init_before_day(before_day)
-        self.init_until_page(until_page)
-        # self.init_browser(browser)
+        params = self.db_helper.get_param(keyword_id)
+        self.config.set_param(keyword_id, db_num, params)
+
+    def get_url(self, query, max_position=None):
+        params = {
+            'f': 'tweets',
+            'q': '{} since:{} until:{}'.format(query, self.config.start_str, self.config.end_str),
+            'language': 'en'
+        }
+
+        if max_position is not None:
+            params['max_position'] = max_position
+
+        url_tupple = (TwitterConfig.protocol, TwitterConfig.top_url, TwitterConfig.search_url, '', parse.urlencode(params), '')
+        return parse.urlunparse(url_tupple)
+
+    def get_page(self, url):
+        headers = {
+            'user-agent': 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.86 Safari/537.36',
+            'Accept-Language': 'en-US'
+        }
+        if self.proxies is None:
+            self.proxies = base.proxy.get_proxy_for_requests()
+
+        resp = None
+        for cnt in range(5):
+            try:
+                resp = requests.get(url, headers=headers, proxies=self.proxies, timeout=5)
+            except Exception as e:
+                print('proxy {} is expired. ({})'.format(self.proxies, e))
+                self.proxies = base.proxy.get_proxy_for_requests()
+            else:
+                break
+
+        return resp
+
+    def insert_pool(self, tweet: Tweet):
+        pass
 
     def start(self):
-        pass
\ No newline at end of file
+        b_continue = True
+        min_tweet_id = None
+        max_tweet_id = None
+        max_position = None
+        tweet_count = 0
+
+        while b_continue:
+            if min_tweet_id is not None:
+                max_position = 'TWEET-{}-{}'.format(max_tweet_id, min_tweet_id)
+            url = self.get_url(self.config.keywords[0], max_position)
+            r = self.get_page(url)
+            if r is None:
+                break
+            j = json.loads(r.content.decode('utf-8'))
+
+            soup = bs4.BeautifulSoup(j['items_html'], 'lxml')
+            tweet_tags = soup.select("div.tweet")
+
+            for tw in tweet_tags:
+                tweet = TweetParser.parse(tw, self.config.keyword_id)
+
+                if tweet.is_reply is True:
+                    continue
+
+                if tweet.created_at < self.config.start:
+                    b_continue = False
+                    break
+                elif tweet.created_at > self.config.end:
+                    continue
+
+                if tweet.reply_cnt > 0:
+                    self.insert_pool(tweet)
+
+                self.db_helper.insert_tweet(self.config.db_num, tweet)
+
+                print('{} {}>>{}: {}'.format(tweet.created_at, tweet.article_id, tweet.user_name, tweet.text))
+
+            count = len(tweet_tags)
+            if count == 0:
+                break
+
+            if min_tweet_id is None:
+                min_tweet_id = tweet_tags[0].attrs['data-item-id']
+            max_tweet_id = tweet_tags[-1].attrs['data-item-id']
+            tweet_count += count
+
+        print('runner finished {}'.format(tweet_count))
diff --git a/WebBasedCrawler/twitter/twparser.py b/WebBasedCrawler/twitter/twparser.py
new file mode 100644
index 0000000..dfc7406
--- /dev/null
+++ b/WebBasedCrawler/twitter/twparser.py
@@ -0,0 +1,66 @@
+from twitter.tweet import Tweet
+from twitter.twconfig import TwitterConfig
+
+import bs4
+import datetime
+
+
+class TweetParser:
+
+    @staticmethod
+    def parse(tag, keyword_id):
+        tweet = Tweet()
+
+        nickname_tag = tag.select('strong.fullname')[0]
+        tweet.user_name = ''
+        for child in nickname_tag.children:
+            if isinstance(child, bs4.element.NavigableString):
+                if len(tweet.user_name) > 0:
+                    tweet.user_name += ' '
+                tweet.user_name += child
+        tweet.user_id = tag.select('span.username')[0].text[1:]
+        tweet.text = tag.select('p.tweet-text')[0].text
+
+        time_str = tag.select('a.tweet-timestamp')[0].attrs['title']
+        tweet.created_at = datetime.datetime.strptime(time_str, '%I:%M %p - %d %b %Y')
+
+        reply_tag = tag.select('div.ReplyingToContextBelowAuthor')
+        tweet.is_reply = len(reply_tag) > 0
+
+        reply_cnt_tag = tag.select('span.ProfileTweet-action--reply > span.ProfileTweet-actionCount')
+        if len(reply_cnt_tag) > 0:
+            tweet.reply_cnt = int(reply_cnt_tag[0].attrs['data-tweet-stat-count'])
+
+        retweet_cnt_tag = tag.select('span.ProfileTweet-action--reply > span.ProfileTweet-actionCount')
+        if len(retweet_cnt_tag) > 0:
+            tweet.retweet_cnt = int(retweet_cnt_tag[0].attrs['data-tweet-stat-count'])
+
+        favorite_cnt_tag = tag.select('span.ProfileTweet-action--reply > span.ProfileTweet-actionCount')
+        if len(favorite_cnt_tag) > 0:
+            tweet.favorites_cnt = int(favorite_cnt_tag[0].attrs['data-tweet-stat-count'])
+
+        link_tag = tag.select('a.js-permalink')
+        if len(link_tag) > 0:
+            tweet.tweet_link = link_tag[0].attrs['href']
+
+        tweet.platform_name = 'twitter'
+        tweet.platform_form = 'post'
+        tweet.platform_title = tweet.user_id
+        tweet.article_form = 'reply' if tweet.is_reply else 'body'
+        # tweet.article_parent = None
+        tweet.article_id = tweet.user_id
+        tweet.article_nickname = tweet.user_name
+        # tweet.article_title = None
+        tweet.article_data = tweet.text
+        tweet.article_url = TwitterConfig.protocol + '://' + TwitterConfig.top_url + tweet.tweet_link
+        # tweet.article_hit = 0
+        tweet.article_date = tweet.created_at
+        # tweet.article_order = 0
+        # tweet.article_profile = tweet.user_name
+        tweet.article_profileurl = TwitterConfig.protocol + '://' + TwitterConfig.top_url + '/' + tweet.user_id
+        tweet.platform_id = tweet.user_id
+        tweet.keyword_id = keyword_id
+        # tweet.reply_url = ''
+        # tweet.etc = ''
+
+        return tweet
diff --git a/WebBasedCrawler/webbasedcrawler.py b/WebBasedCrawler/webbasedcrawler.py
index 75783cc..44a0853 100644
--- a/WebBasedCrawler/webbasedcrawler.py
+++ b/WebBasedCrawler/webbasedcrawler.py
@@ -31,7 +31,7 @@ class WebBasedCrawler:
         elif platform == 'facebook':
             self.crawler = facebookcrawlbs.FacebookMainCrawler()
         elif platform == 'twitter':
-            self.crawler = twittercrawl.TwitterMainCrawler()
+            self.crawler = twittercrawl.TwitterCrawler()
         elif platform == 'youtube':
             self.crawler = youtubecrawl.YoutubeMainCrawler()
         else: