diff --git a/src/linker.tun/LinkerTunDeviceAdapter.cs b/src/linker.tun/LinkerTunDeviceAdapter.cs
index c92d651b..090dcb4a 100644
--- a/src/linker.tun/LinkerTunDeviceAdapter.cs
+++ b/src/linker.tun/LinkerTunDeviceAdapter.cs
@@ -377,6 +377,7 @@ namespace linker.tun
             {
                 mapDic = new Dictionary<uint, uint>().ToFrozenDictionary();
                 masks = Array.Empty<uint>();
+                natDic.Clear();
                 return;
             }
 
diff --git a/version.txt b/version.txt
index 12441aca..47e8d9c4 100644
--- a/version.txt
+++ b/version.txt
@@ -1,5 +1,5 @@
 v1.7.3
-2025-04-14 16:45:47
+2025-04-14 16:46:15
 1. 优化自动分配IP
 2. 优化网卡，排除不明数据包
 3. 虚拟网卡点对网IP映射，用于解决网段冲突
\ No newline at end of file