diff --git a/hosts/xlab-gateway/dhcp.nix b/hosts/xlab-gateway/dhcp.nix
index 333a59c..61cba0d 100644
--- a/hosts/xlab-gateway/dhcp.nix
+++ b/hosts/xlab-gateway/dhcp.nix
@@ -72,10 +72,11 @@
       };
     };
     
-    # 延迟启动，确保网络接口已初始化
-  after = [ "network-online.target" ];
-  wantedBy = [ "multi-user.target" ];
-    
+  };
+  
+  systemd.services.kea-dhcp4 = {
+    after = [ "network-online.target" ];
+    wants = [ "network-online.target" ];
   };
 
   # ===========================================================================
@@ -134,12 +135,13 @@
         server-port = 53001;
       };
     };
-    
-    # 延迟启动，确保网络接口已初始化
-  after = [ "network-online.target" ];
-  wantedBy = [ "multi-user.target" ];
-    
   };
+  
+  systemd.services.kea-dhcp6 = {
+    after = [ "network-online.target" ];
+    wants = [ "network-online.target" ];
+  };
+
 
   # ===========================================================================
   # Kea DHCP-DDNS (D2) - Forwards DNS updates to BIND9