diff --git a/web/utils/firewall.py b/web/utils/firewall.py
index d7a8771da..175a704eb 100644
--- a/web/utils/firewall.py
+++ b/web/utils/firewall.py
@@ -345,6 +345,9 @@ class Firewall(object):
         protocol = 'tcp'
         ps = 'PANEL端口'
 
+        if thisdb.getFirewallCountByPort(port) > 0:
+            return mw.returnData(False, '您要放行的端口已存在，无需重复放行!')
+
         thisdb.addFirewall(port, ps=ps,protocol=protocol)
         self.addAcceptPortCmd(port, protocol=protocol)
         self.reload()