diff --git a/shadowsocks/encrypt.py b/shadowsocks/encrypt.py
index 267565c..9d94dd1 100644
--- a/shadowsocks/encrypt.py
+++ b/shadowsocks/encrypt.py
@@ -157,9 +157,9 @@ class Encryptor(object):
                 self.cipher_iv = iv[:m[1]]  # this iv is for cipher not decipher
             if method != 'salsa20-ctr':
                 import M2Crypto.EVP
-                return M2Crypto.EVP.Cipher(method.replace('-', '_'), key, iv, op,
-                                       key_as_bytes=0, d='md5', salt=None, i=1,
-                                       padding=1)
+                return M2Crypto.EVP.Cipher(method.replace('-', '_'), key, iv,
+                                           op, key_as_bytes=0, d='md5',
+                                           salt=None, i=1, padding=1)
             else:
                 return encrypt_salsa20.Salsa20Cipher(method, key, iv, op)
 
diff --git a/shadowsocks/local.py b/shadowsocks/local.py
index 7219c08..0ccc813 100755
--- a/shadowsocks/local.py
+++ b/shadowsocks/local.py
@@ -55,7 +55,7 @@ def main():
         while sys.stdin.read():
             pass
     except KeyboardInterrupt:
-        sys.exit(0)
+        os._exit(0)
 
 if __name__ == '__main__':
     main()
diff --git a/shadowsocks/tcprelay.py b/shadowsocks/tcprelay.py
index 335849b..b7902d9 100644
--- a/shadowsocks/tcprelay.py
+++ b/shadowsocks/tcprelay.py
@@ -294,6 +294,7 @@ class TCPRelay(object):
                             (listen_addr, listen_port))
         af, socktype, proto, canonname, sa = addrs[0]
         server_socket = socket.socket(af, socktype, proto)
+        server_socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
         server_socket.bind(sa)
         server_socket.setblocking(False)
         server_socket.listen(1024)
diff --git a/shadowsocks/utils.py b/shadowsocks/utils.py
index 0daa507..180cdcb 100644
--- a/shadowsocks/utils.py
+++ b/shadowsocks/utils.py
@@ -56,12 +56,6 @@ def find_config():
 
 
 def check_config(config):
-    config['password'] = config.get('password', None)
-    config['method'] = config.get('method', None)
-    config['port_password'] = config.get('port_password', None)
-    config['timeout'] = int(config.get('timeout', 300))
-    config['fast_open'] = config.get('fast_open', False)
-    config['workers'] = config.get('workers', 1)
     if config.get('local_address', '') in ['0.0.0.0']:
         logging.warn('warning: local set to listen 0.0.0.0, which is not safe')
     if config.get('server', '') in ['127.0.0.1', 'localhost']:
@@ -136,6 +130,15 @@ def get_config(is_local):
         sys.exit('config not specified, please read '
                  'https://github.com/clowwindy/shadowsocks')
 
+    config['password'] = config.get('password', None)
+    config['method'] = config.get('method', None)
+    config['port_password'] = config.get('port_password', None)
+    config['timeout'] = int(config.get('timeout', 300))
+    config['fast_open'] = config.get('fast_open', False)
+    config['workers'] = config.get('workers', 1)
+    config['verbose'] = config.get('verbose', False)
+    config['local_address'] = config.get('local_address', '127.0.0.1')
+
     check_config(config)
 
     if config['verbose']: