diff --git a/Drivers/Esp8266/Esp8266.cpp b/Drivers/Esp8266/Esp8266.cpp
index 5a30d031..f2c5bc72 100644
--- a/Drivers/Esp8266/Esp8266.cpp
+++ b/Drivers/Esp8266/Esp8266.cpp
@@ -254,7 +254,7 @@ bool Esp8266::OnLink(uint retry)
 }
 
 // 配置网络参数
-void Esp8266::Config()
+bool Esp8266::Config()
 {
 	// 设置多连接
 	SetMux(true);
@@ -268,6 +268,8 @@ void Esp8266::Config()
 	SetMAC(false, mac);
 
 	//SetAutoConn(AutoConn);
+
+	return true;
 }
 
 Socket* Esp8266::CreateSocket(NetType type)
diff --git a/Drivers/Esp8266/Esp8266.h b/Drivers/Esp8266/Esp8266.h
index 7537a8bc..efe48fa5 100644
--- a/Drivers/Esp8266/Esp8266.h
+++ b/Drivers/Esp8266/Esp8266.h
@@ -30,7 +30,7 @@ public:
 
 	void Init(ITransport* port, Pin power = P0, Pin rst = P0);
 
-	virtual void Config();
+	virtual bool Config();
 	void SetLed(Pin led);
 	void SetLed(OutputPort& led);
 	void RemoveLed();
diff --git a/Drivers/W5500.cpp b/Drivers/W5500.cpp
index e8fb2d9c..4df6e49c 100644
--- a/Drivers/W5500.cpp
+++ b/Drivers/W5500.cpp
@@ -514,7 +514,7 @@ bool W5500::OnLink(uint retry)
 	return true;
 }
 
-void W5500::Config()
+bool W5500::Config()
 {
 	ShowConfig();
 
@@ -555,6 +555,8 @@ void W5500::Config()
 
 	// 一次性全部写入
 	WriteFrame(0, bs);
+
+	return true;
 }
 
 void W5500::ChangePower(int level)
diff --git a/Drivers/W5500.h b/Drivers/W5500.h
index 02d12459..57c028b4 100644
--- a/Drivers/W5500.h
+++ b/Drivers/W5500.h
@@ -29,7 +29,7 @@ public:
 	void SetLed(Pin led);
 	void SetLed(OutputPort& led);
 
-	virtual void Config();
+	virtual bool Config();
 
 	// 读写帧，帧本身由外部构造   （包括帧数据内部的读写标志）
 	bool WriteFrame(ushort addr, const Buffer& bs, byte socket = 0 ,byte block = 0);
diff --git a/Net/NetworkInterface.h b/Net/NetworkInterface.h
index d606769e..9d5f2f78 100644
--- a/Net/NetworkInterface.h
+++ b/Net/NetworkInterface.h
@@ -60,7 +60,7 @@ public:
 	bool Active() const;
 
 	// 应用配置
-	virtual void Config() = 0;
+	virtual bool Config() = 0;
 
 	// 保存和加载网络配置
 	void InitConfig();
diff --git a/TinyIP/TinyIP.cpp b/TinyIP/TinyIP.cpp
index 4313ce21..5fc3215b 100644
--- a/TinyIP/TinyIP.cpp
+++ b/TinyIP/TinyIP.cpp
@@ -237,9 +237,10 @@ void TinyIP::OnClose()
 	_port->Close();
 }
 
-void TinyIP::Config()
+bool TinyIP::Config()
 {
 	//ShowConfig();
+	return true;
 }
 
 bool TinyIP::SendEthernet(ETH_TYPE type, const MacAddress& remote, const byte* buf, uint len)
diff --git a/TinyIP/TinyIP.h b/TinyIP/TinyIP.h
index 460f5ed0..105d4b96 100644
--- a/TinyIP/TinyIP.h
+++ b/TinyIP/TinyIP.h
@@ -59,7 +59,7 @@ public:
     virtual ~TinyIP();
 	void Init(ITransport* port);
 
-	virtual void Config();
+	virtual bool Config();
 	ushort CheckSum(IPAddress* remote, const byte* buf, uint len, byte type);
 
 	bool SendEthernet(ETH_TYPE type, const MacAddress& remote, const byte* buf, uint len);