diff --git a/app/Services/ServerService.php b/app/Services/ServerService.php
index f4d99fcb..4c9241ff 100644
--- a/app/Services/ServerService.php
+++ b/app/Services/ServerService.php
@@ -204,6 +204,9 @@ class ServerService
             $protocolObj->outboundTag = 'block';
             array_push($json->routing->rules, $protocolObj);
         }
+        if (empty($domainRules) && empty($protocolRules)) {
+            $json->inbound->sniffing->enable = false;
+        }
     }
 
     private function setTls(Server $server, object $json)