diff --git a/src/Tor/TorManager.py b/src/Tor/TorManager.py
index 9f2b1801..59c5989c 100644
--- a/src/Tor/TorManager.py
+++ b/src/Tor/TorManager.py
@@ -5,11 +5,12 @@ import binascii
 import sys
 import os
 import time
-
-import gevent
+import random
 import subprocess
 import atexit
 
+import gevent
+
 from Config import config
 from Crypt import CryptRsa
 from Site import SiteManager
@@ -208,6 +209,9 @@ class TorManager(object):
             self.log.error("Tor reset circuits error: %s" % res)
 
     def addOnion(self):
+        if len(self.privatekeys) >= config.tor_hs_limit:
+            return random.choice(self.privatekeys.keys())
+
         result = self.makeOnionAndKey()
         if result:
             onion_address, onion_privatekey = result
@@ -305,4 +309,4 @@ class TorManager(object):
             sock = socks.socksocket()
             sock.set_proxy(socks.SOCKS5, self.proxy_ip, self.proxy_port)
             sock.connect((onion, int(port)))
-        return sock
+        return sock
\ No newline at end of file