diff --git a/WebBasedCrawler/base/baseclasses.py b/WebBasedCrawler/base/baseclasses.py
index 718a864..0809ba4 100644
--- a/WebBasedCrawler/base/baseclasses.py
+++ b/WebBasedCrawler/base/baseclasses.py
@@ -45,8 +45,8 @@ def printl(*objects, sep=' ', end='\n', file=None, flush=True):
         # method_name = call_frame[frame_no][3]
 
         try:
-            # print('{}({}) [{}.{}] : {}'.format(file_path, line_no, class_name, method_name, *objects), sep=sep, end=end, file=file, flush=flush)
-            print('{}({}) : {}'.format(file_path, line_no, *objects), sep=sep, end=end, file=file, flush=flush)
+            objects = ('{}({}) :'.format(file_path, line_no),) + objects
+            print(*objects, sep=sep, end=end, file=file, flush=flush)
         except Exception as e:
             print(e)
     else:
diff --git a/WebBasedCrawler/insta/instacrawl.py b/WebBasedCrawler/insta/instacrawl.py
index 334eb0d..986788b 100644
--- a/WebBasedCrawler/insta/instacrawl.py
+++ b/WebBasedCrawler/insta/instacrawl.py
@@ -16,6 +16,7 @@ from queue import Queue
 import threading
 import time
 import sys
+import bs4
 import inspect
 
 
@@ -44,8 +45,8 @@ def printl(*objects, sep=' ', end='\n', file=None, flush=True):
         # method_name = call_frame[frame_no][3]
 
         try:
-            # print('{}({}) [{}.{}] : {}'.format(file_path, line_no, class_name, method_name, *objects), sep=sep, end=end, file=file, flush=flush)
-            print('{}({}) : {}'.format(file_path, line_no, *objects), sep=sep, end=end, file=file, flush=flush)
+            objects = ('{}({}) :'.format(file_path, line_no),) + objects
+            print(*objects, sep=sep, end=end, file=file, flush=flush)
         except Exception as e:
             print(e)
     else:
@@ -223,6 +224,12 @@ def make_list_instance(url, proxies=None):
         else:
             list_crawler = ListUser(url, proxies)
         return list_crawler
+
+    except requests.exceptions.ProxyError as e:
+        printd('proxy: '+str(e.args[0].pool.proxy), e)
+        printd("Fail to make list instance")
+        return None
+
     except Exception as e:
         printd(e)
         printd("Fail to make list instance")
@@ -234,9 +241,15 @@ def make_content_instance(url, proxies=None):
     try:
         content = InstaContent(url, {}, url, proxies)
         return content
+
+    except requests.exceptions.ProxyError as e:
+        printd('proxy: '+str(e.args[0].pool.proxy), e)
+        printd("Fail to make content instance")
+        return None
+
     except Exception as e:
         printd(e)
-        printd("Fail to make contanet instance")
+        printd("Fail to make content instance")
         return None
 
 
@@ -271,10 +284,6 @@ def load_ajax_list(ins):
 def load_ajax_reply(ins):
     try:
         replies = ins.load_reply_more()
-        # if replies:
-        #     return replies
-        # else:
-        #     return None
         return replies
     except Exception as e:
         printd(e)
@@ -360,7 +369,8 @@ def crawl_content_process(qu, keyword_id, db_num):
                 send_to_db.send_body(body)
                 if replies:
                     send_to_db.send_reply(replies)
-                printl("proxies = ", content.proxies['http'][7:])
+                if content.proxies is not None:
+                    printl("proxies = ", content.proxies['http'][7:])
                 printl(element['url'])
                 printl('ok')
                 ok = False
@@ -436,7 +446,7 @@ class ListTag:
         self.__r = requests.get(url, headers=instaheaders.get_headers_for_list_html(), proxies=proxies, timeout=requests_timeout, stream=True)
         content = requests_get(self.__r)
 
-        self.log_load_url_before()
+        # self.log_load_url_before()
         self.__r.raise_for_status()
         self.__tag = self.__get_tag(url)
         self.__set_cookies(self.__r.cookies)
@@ -444,7 +454,8 @@ class ListTag:
         #self.list_tag, self.end_cursor, self.has_next = instaparser.parse_list_tag_html(self.__r.content)
         self.list_tag, self.end_cursor, self.has_next = instaparser.parse_list_tag_html(content)
         self.__r.close()
-        self.log_load_url_after()
+        printd('tag list, end_cursor: {}'.format(self.end_cursor))
+        # self.log_load_url_after()
         return self.list_tag
 
     def load_more(self):
@@ -453,7 +464,7 @@ class ListTag:
                                 timeout=requests_timeout, stream=True)
         content = requests_get(self.__r)
 
-        self.log_load_url_before()
+        # self.log_load_url_before()
         self.__r.raise_for_status()
         self.__tag = self.__get_tag(url)
         self.__set_cookies(self.__r.cookies)
@@ -461,9 +472,10 @@ class ListTag:
         # self.list_tag, self.end_cursor, self.has_next = instaparser.parse_list_tag_html(self.__r.content)
         self.list_tag, self.end_cursor, self.has_next = instaparser.parse_list_tag_html(content)
         self.__r.close()
-        self.log_load_url_after()
+        printd('tag list, end_cursor: {}'.format(self.end_cursor))
+        # self.log_load_url_after()
 
-        # 기존 방식 instagram에서 post를 막은 듯
+        # 기존 방식 instagram?�서 post�?막�? ??
         # form_data = instaheaders.get_form_data_for_list_tag(self.__tag, self.end_cursor, num_of_list_ajax)
         # headers = instaheaders.get_headers_for_ajax(self.cookies, self.__url, form_data)
         # self.log_load_more_before(form_data, headers)
@@ -571,6 +583,7 @@ class ListUser:
         # self.list_user, self.end_cursor, self.has_next, self.__user = instaparser.parse_list_user_html(self.__r.content)
         self.list_user, self.end_cursor, self.has_next, self.__user = instaparser.parse_list_user_html(content)
         self.__r.close()
+        printd('user list, end_cursor: {}'.format(self.end_cursor))
         return self.list_user
 
     def load_more(self):
@@ -588,6 +601,7 @@ class ListUser:
         # self.list_user, self.end_cursor, self.has_next = instaparser.parse_list_ajax(content)
         self.list_user, self.end_cursor, self.has_next, self.__user = instaparser.parse_list_user_html(content)
         self.__r.close()
+        printd('user list, end_cursor: {}'.format(self.end_cursor))
         # self.log_load_more_after()
         return self.list_user
 
@@ -646,6 +660,8 @@ class InstaContent:
         self.has_previous = False
         self.cookies = {}
         self.proxies = proxies
+        self.content = ''
+        self.query_id = ''
         self.load_url(url, cookies, referer, self.proxies)
 
     def load_url(self, url, cookies, referer, proxies):
@@ -653,6 +669,7 @@ class InstaContent:
         self.__r = requests.get(url, headers=instaheaders.get_headers_for_body_html(self.cookies), proxies=proxies,
                                 timeout=requests_timeout, stream=True)
         content = requests_get(self.__r)
+        self.content = content
         self.__r.raise_for_status()
         self.__referer = referer
         self.__code = self.__get_code(url)
@@ -660,6 +677,8 @@ class InstaContent:
         self.body, self.reply, self.start_cursor, self.has_previous = instaparser.parse_body_html(content)
         self.__set_cookies(self.__r.cookies)
         self.__r.close()
+
+        printd('reply, end_cursor: {}'.format(self.start_cursor))
         return self.body, self.reply
 
     def get_body(self):
@@ -668,18 +687,56 @@ class InstaContent:
     def get_reply(self):
         return self.reply
 
+    def get_query_ids(self, html):
+        doc = bs4.BeautifulSoup(html, "html.parser")
+
+        query_ids = []
+        for script in doc.find_all("script"):
+            if script.has_attr("src") and "_Commons.js" in script['src']:
+                text = requests.get("%s%s" % ('https://www.instagram.com', script['src'])).text
+                for query_id in re.findall("(?<=queryId:\")[0-9]{17,17}", text):
+                    query_ids.append(query_id)
+        return query_ids
+
+    def find_query_id(self):
+        potential_query_ids = self.get_query_ids(self.content)
+        query_id = ''
+        for potential_id in potential_query_ids:
+            # url = "https://www.instagram.com/graphql/query/?query_id=%s&first=12&after=%s" % (potential_id, self.start_cursor)
+            url = 'https://www.instagram.com/graphql/query/?query_id={}&shortcode={}&first={}&after={}'.format(
+                potential_id, self.__code, len(self.reply), self.start_cursor)
+            try:
+                data = requests.get(url).json()
+                if data['status'] == 'ok':
+                    query_id = potential_id
+                    break
+            except Exception:
+                # no valid JSON retured, most likely wrong query_id resulting in 'Oops, an error occurred.'
+                pass
+
+        return query_id
+
     def load_reply_more(self):
-        url = self.__referer + "?max_id="+self.start_cursor
+        if not self.query_id:
+            self.query_id = self.find_query_id()
+
+        url = 'https://www.instagram.com/graphql/query/?query_id={}&shortcode={}&first={}&after={}'.format(
+            self.query_id, self.__code, len(self.reply), self.start_cursor)
+        # url = self.__referer + "?max_id="+self.start_cursor
         # self.log_load_reply_more_before(form_data, headers)
         self.__r = requests.get(url, headers=instaheaders.get_headers_for_body_html(self.cookies), proxies=self.proxies,
                                 timeout=requests_timeout, stream=True)
         content = requests_get(self.__r)
+
         self.__r.raise_for_status()
-        self.__code = self.__get_code(url)
-        self.body, self.reply, self.start_cursor, self.has_previous = instaparser.parse_body_html(content)
+        reply, self.start_cursor, self.has_previous = instaparser.parse_reply_more(content)
         self.__set_cookies(self.__r.cookies)
         self.__r.close()
+
+        self.reply += reply
+        printl('{} - reply : {} (next : {})'.format(self.__referer, len(self.reply), self.start_cursor))
         # self.log_load_reply_more_after()
+
         return self.reply
 
     def get_cookies(self):
@@ -892,12 +949,19 @@ class InstaAlgorithmMulti(InstaAlgorithm):
         old_elements = 0
         for element in contents_list:
             if element['date'].date() > self.crawl_init.get_end_day():
-                # printl(element['url'])
-                printl(element['date'].strftime("%Y-%m-%d %H:%M:%S"))
+                printl('post is not in range of date (url: {}, date:{}, start:{}, end:{})'.format(
+                    element['url'],
+                    element['date'].strftime("%Y-%m-%d %H:%M:%S"),
+                    self.crawl_init.get_begin_day().strftime("%Y-%m-%d %H:%M:%S"),
+                    self.crawl_init.get_end_day().strftime("%Y-%m-%d %H:%M:%S")))
 
             elif element['date'].date() < self.crawl_init.get_begin_day():
-                printl(element['url'])
-                printl(element['date'].strftime("%Y-%m-%d %H:%M:%S"))
+                printl('post is not in range of date (url: {}, date:{}, start:{}, end:{})'.format(
+                    element['url'],
+                    element['date'].strftime("%Y-%m-%d %H:%M:%S"),
+                    self.crawl_init.get_begin_day().strftime("%Y-%m-%d %H:%M:%S"),
+                    self.crawl_init.get_end_day().strftime("%Y-%m-%d %H:%M:%S")))
+
                 old_elements += 1
                 if old_elements > 6:
                     return False
diff --git a/WebBasedCrawler/insta/instaparser.py b/WebBasedCrawler/insta/instaparser.py
index f3951bf..45488ef 100644
--- a/WebBasedCrawler/insta/instaparser.py
+++ b/WebBasedCrawler/insta/instaparser.py
@@ -17,15 +17,20 @@ def get_json_from_html(content):
         s = content.content.decode('utf-8')
     else:
         raise TypeError
-    m = rx_json_html.search(s)
 
+    # try:
+    #     json_data =json.loads(s)
+    # except ValueError as e:
+    m = rx_json_html.search(s)
     if m:
         #return json.dumps(json.loads(m.group(1)))
         #return json.loads(json.dumps(m.group(1)))
-        return json.loads(m.group(1))
+        json_data = json.loads(m.group(1))
     else:
         raise TypeError("Check requests.response")
 
+    return json_data
+
 
 def parse_list_user_html(content):
     json_data = get_json_from_html(content)
@@ -161,3 +166,33 @@ def parse_reply_ajax(content):
                 "article_form": "reply",
             })
     return reply, start_cursor, has_previous
+
+
+def parse_reply_more(content):
+    json_data = json.loads(content.decode('utf-8'), encoding="utf-8")
+    reply = []
+    start_cursor = ''
+    has_previous = False
+    if json_data["status"] == "ok":
+        data = json_data['data']['shortcode_media']['edge_media_to_comment']
+        comments = data['edges']
+        has_previous = data['page_info']['has_next_page']
+        start_cursor = data['page_info']['end_cursor']
+        if not start_cursor:
+            start_cursor = ''
+
+        for edge in comments:
+            node = edge['node']
+            reply.append({
+                "article_data": node["text"],
+                "article_date":
+                    (old_date + datetime.timedelta(seconds=node["created_at"])).strftime("%Y-%m-%d %H:%M:%S"),
+                "article_id": node["owner"]["username"],
+                "article_nickname": node["owner"]["username"],
+                "article_profileurl": node["owner"]["profile_pic_url"],
+                "platform_name": "instagram",
+                "platform_form": "post",
+                "article_form": "reply",
+            })
+
+    return reply, start_cursor, has_previous