diff --git a/Board/AP0801.cpp b/Board/AP0801.cpp
index f462e2d2..91170851 100644
--- a/Board/AP0801.cpp
+++ b/Board/AP0801.cpp
@@ -217,27 +217,26 @@ TokenClient* AP0801::CreateClient()
 	return Client = client;
 }
 
-bool SetWiFi(const Dictionary& args, Buffer& result)
+bool SetWiFi(void* param, const BinaryPair& args, Stream& result)
 {
 	ByteArray rs;
 
-	/*String ssid;
+	String ssid;
 	String pass;
 
 	if(!args.Get("ssid", ssid)) return false;
-	if(!args.Get("pass", pass)) return false;*/
+	if(!args.Get("pass", pass)) return false;
 
-	auto ssid	= args.GetString("ssid");
+	/*auto ssid	= args.GetString("ssid");
 	auto pass	= args.GetString("pass");
 
-	if(!ssid || !pass) return false;
+	if(!ssid || !pass) return false;*/
 
 	//todo 保存WiFi信息
 	//auto esp	= (ESP8266*)
 
 	//result.Set("Result", (byte)1);
-	result.SetLength(1);
-	result[0]	= true;
+	result.Write((byte)1);
 
 	return true;
 }
@@ -260,8 +259,9 @@ void SetWiFiTask(void* param)
 	BinaryPair args(ms1);
 
 	ByteArray result;
-	client->OnInvoke("SetWiFi", args.GetAll(), result);
+	bool rs	= client->OnInvoke("SetWiFi", args, result);
 
+	assert(rs, "OnInvoke");
 	assert(result, "result");
 	assert(result[0] == 1, "rt");
 
diff --git a/Test/InvokeTest.cpp b/Test/InvokeTest.cpp
index e00e9c98..05c04b9c 100644
--- a/Test/InvokeTest.cpp
+++ b/Test/InvokeTest.cpp
@@ -1,22 +1,20 @@
 #include "Sys.h"
 #include "TokenNet/TokenClient.h"
 
-bool InvokeFun(const BinaryPair& args, BinaryPair& result)
+bool InvokeFun(void* param, const BinaryPair& args, Buffer& result)
 {
 	byte rt;
 	bool rs;
 
 	rs = args.Get("Hello", rt);
-	if (rt == 1 && rs)
-		result.Set("Hello", (byte)0);
-	else
-		return false;
+	if(!rs || rt != 1) return false;
+
+	result.SetAt(0, 0);
 
 	rs = args.Get("Rehello", rt);
-	if (rt == 0 && rs)
-		result.Set("Rehello", (byte)1);
-	else
-		return false;
+	if(!rs || rt != 0) return false;
+
+	result.SetAt(0, 1);
 
 	return true;
 }
@@ -36,10 +34,11 @@ void InvokeTest(TokenClient * client)
 	// 封装成所需数据格式
 	BinaryPair args(ms1);
 	// 准备返回数据的容器
-	MemoryStream ms2;
+	ByteArray bs;
+	Stream ms2(bs);
 	BinaryPair result(ms2);
 	// 调用
-	client->OnInvoke("Test", args, result);
+	client->OnInvoke("Test", args, bs);
 
 	bool isOk = true;
 
diff --git a/TokenNet/TokenClient.cpp b/TokenNet/TokenClient.cpp
index dff8b696..bb432b66 100644
--- a/TokenNet/TokenClient.cpp
+++ b/TokenNet/TokenClient.cpp
@@ -764,17 +764,22 @@ void TokenClient::OnInvoke(const TokenMessage& msg, TokenController* ctrl)
 	}
 	else
 	{
-		auto args	= bp.GetAll();
-		ByteArray result;
-		if(!OnInvoke(action, args, result))
+		// 传入参数名值对以及结果缓冲区引用，业务失败时返回false并把错误信息放在结果缓冲区
+		MemoryStream result;
+		if(!OnInvoke(action, bp, result))
 		{
-			rs.SetError(0x02, "操作注册有误");
+			if(result.Position() > 0)
+				rs.SetError(0x03, (cstring)result.GetBuffer());
+			else
+				rs.SetError(0x02, "执行出错");
 		}
 		else
 		{
 			// 执行成功
+			result.SetPosition(0);
+
 			BinaryPair bprs(ms);
-			bprs.Set("Result", result);
+			bprs.Set("Result", Buffer(result.GetBuffer(), result.Length));
 
 			// 数据流可能已经扩容
 			rs.Data		= ms.GetBuffer();
@@ -785,19 +790,36 @@ void TokenClient::OnInvoke(const TokenMessage& msg, TokenController* ctrl)
 	ctrl->Reply(rs);
 }
 
-bool TokenClient::OnInvoke(const String& action, const Dictionary& args, Buffer& result)
+bool TokenClient::OnInvoke(const String& action, const BinaryPair& args, Stream& result)
 {
-	void* handler	= nullptr;
-	if(!Routes.TryGetValue(action.GetBuffer(), handler) || !handler) return false;
+	void* ps	= nullptr;
+	if(!Routes.TryGetValue(action.GetBuffer(), ps) || !ps) return false;
 
-	return ((InvokeHandler)handler)(args, result);
+	auto ps2	= (int*)ps;
+	auto inv	= (InvokeHandler)ps2[0];
+	auto param	= (void*)ps2[1];
+
+	return inv(param, args, result);
 }
 
-void TokenClient::Register(const String& action, InvokeHandler handler)
+void TokenClient::Register(const String& action, InvokeHandler handler, void* param)
 {
 	auto act	= action.GetBuffer();
 	if(handler)
-		Routes.Add(act, (void*)handler);
+	{
+		int* ps	= new int[2];
+		ps[0]	= (int)handler;
+		ps[1]	= (int)param;
+		Routes.Add(act, (void*)ps);
+	}
 	else
-		Routes.Remove(act);
+	{
+		void* ps	= nullptr;
+		if(Routes.TryGetValue(act, ps))
+		{
+			delete (int*)ps;
+
+			Routes.Remove(act);
+		}
+	}
 }
diff --git a/TokenNet/TokenClient.h b/TokenNet/TokenClient.h
index 68bb1f0d..fced1383 100644
--- a/TokenNet/TokenClient.h
+++ b/TokenNet/TokenClient.h
@@ -68,9 +68,16 @@ public:
 	// 远程调用
 	void Invoke(const String& action, const Buffer& bs);
 
+	// 远程调用委托。传入参数名值对以及结果缓冲区引用，业务失败时返回false并把错误信息放在结果缓冲区
+	typedef bool (*InvokeHandler)(void* param, const BinaryPair& args, Stream& result);
 	// 注册远程调用处理器
-	typedef bool (*InvokeHandler)(const Dictionary& args, Buffer& result);
-	void Register(const String& action, InvokeHandler handler);
+	void Register(const String& action, InvokeHandler handler, void* param = nullptr);
+	// 模版支持成员函数
+	template<typename T>
+	void Register(const String& action, void(T::*func)(const BinaryPair&, Stream&), T* target)
+	{
+		Register(action, *(InvokeHandler*)&func, target);
+	}
 
 private:
 	bool OnHello(TokenMessage& msg, TokenController* ctrl);
@@ -94,7 +101,7 @@ private:
 #if DEBUG
 public:
 #endif
-	bool OnInvoke(const String& action, const Dictionary& args, Buffer& result);
+	bool OnInvoke(const String& action, const BinaryPair& args, Stream& result);
 
 private:
 	uint	_task;