diff --git a/Crawler/Crawler.py b/Crawler/Crawler.py
old mode 100644
new mode 100755
diff --git a/Crawler/ProxyHandler.py b/Crawler/ProxyHandler.py
old mode 100644
new mode 100755
index 521546c..2d39adb
--- a/Crawler/ProxyHandler.py
+++ b/Crawler/ProxyHandler.py
@@ -29,7 +29,7 @@ class ProxyHandler:
 	def check_proxy_all(self, proxies, check_url):
 		Logger.log('checking proxies for {}'.format(check_url))
 
-		worker_cnt = 64
+		worker_cnt = 16
 		pool = concurrent.futures.ThreadPoolExecutor(worker_cnt)
 		[pool.submit(self.check_proxy, proxy, check_url) for proxy in proxies]
 		pool.shutdown()
diff --git a/Crawler/Setting.py b/Crawler/Setting.py
old mode 100644
new mode 100755
index 77cb4f8..7dca1f3
--- a/Crawler/Setting.py
+++ b/Crawler/Setting.py
@@ -51,8 +51,8 @@ class Setting:
 			if 'download_path' not in self.settings:
 				self.settings['download_path'] = '.'
 
-			if self.settings['download_path'][-1] != '\\':
-				self.settings['download_path'] += '\\'
+			if self.settings['download_path'][-1] != '/':
+				self.settings['download_path'] += '/'
 
 			if not os.path.exists(self.settings['download_path']):
 				try:
diff --git a/requirements.txt b/requirements.txt
index dc1536f..fddc1a7 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,3 @@
 requests
 bs4
+yaml