diff --git a/Sources/sdlan/SDLContext.swift b/Sources/sdlan/SDLContext.swift
index 1936568..e44299c 100644
--- a/Sources/sdlan/SDLContext.swift
+++ b/Sources/sdlan/SDLContext.swift
@@ -35,7 +35,7 @@ class SDLContext {
     // nat映射的相关信息, 暂时没有用处
     //var natAddress: SDLNatAddress?
     // nat的网络类型
-    var natType: NatType = .blocked
+    var natType: SDLNatProber.NatType = .blocked
     
     // AES加密，授权通过后，对象才会被创建
     var aesCipher: AESCipher?
@@ -102,7 +102,7 @@ class SDLContext {
             case .changed:
                 // 需要重新探测网络的nat类型
                 Task {
-                    self.natType = await self.getNatType()
+                    self.natType = await SDLNatProber.getNatType(udpHole: self.udpHole, config: self.config)
                     NSLog("didNetworkPathChanged, nat type is: \(self.natType)")
                 }
             case .unreachable: