diff --git a/WebBasedCrawler/base/proxy2.py b/WebBasedCrawler/base/proxy2.py
index adb61e3..2d3c33e 100644
--- a/WebBasedCrawler/base/proxy2.py
+++ b/WebBasedCrawler/base/proxy2.py
@@ -132,7 +132,7 @@ class Proxy2Handler:
 		return instance
 
 	def check_all_proxies(self, platform):
-		print('check all start')
+		# print('check all start')
 
 		url_map = {
 			Platform.NAVER: 'https://www.naver.com',
@@ -165,7 +165,7 @@ class Proxy2Handler:
 					else:
 						instance.set_block_at(platform, datetime.datetime.now())
 
-		print('check all end')
+		# print('check all end')
 		return alive_cnt
 
 	def get(self, platform, proc_id=-1):
@@ -192,7 +192,10 @@ class Proxy2Handler:
 
 				return None
 
-			instance = instances[random.randint(0, len(instances)-1)] if len(instances) > 0 else None
+			instance = None
+			if len(instances) > 0:
+				instance = instances[random.randint(0, len(instances)-1)] if len(instances) > 0 else None
+
 			if instance:
 				self.lock_leave()
 				return instance.get_instance_for_http()
diff --git a/WebBasedCrawler/base/proxy_crawler.py b/WebBasedCrawler/base/proxy_crawler.py
index dba1aca..403817a 100644
--- a/WebBasedCrawler/base/proxy_crawler.py
+++ b/WebBasedCrawler/base/proxy_crawler.py
@@ -86,12 +86,12 @@ def check_proxy(qu, proxy, url):
 
 
 def crawl_proxies(check_url=None):
-	print('proxy crawling start')
+	# print('proxy crawling start')
 	proxies = get_proxies_free_proxy()
 	proxies += get_proxies_proxy_searcher()
 	# proxies += get_proxies_nntime()
 	# proxies = list(set(proxies))
-	print('proxy crawled {}'.format(len(proxies)))
+	# print('proxy crawled {}'.format(len(proxies)))
 
 	if check_url:
 		qu = queue.Queue()
@@ -111,7 +111,7 @@ def crawl_proxies(check_url=None):
 	else:
 		proxies_alive = proxies
 
-	print('proxy crawling end')
+	# print('proxy crawling end')
 	return proxies_alive
 
 	# proxies_alive.sort()
diff --git a/WebBasedCrawler/twitter/twittercrawl.py b/WebBasedCrawler/twitter/twittercrawl.py
index eceab9b..0e9d15f 100644
--- a/WebBasedCrawler/twitter/twittercrawl.py
+++ b/WebBasedCrawler/twitter/twittercrawl.py
@@ -303,7 +303,7 @@ class TwitterCrawler:
 		start_time = time.time()
 
 		# run
-		worker_count = 1
+		worker_count = 16
 		split_config = self.default_config.split()
 
 		content_qu = queue.Queue()