diff --git a/vn.lts/vnltsmd/pyltsmd/vnltsmd.cpp b/vn.lts/vnltsmd/pyltsmd/vnltsmd.cpp
index 4ed66837..927928bd 100644
--- a/vn.lts/vnltsmd/pyltsmd/vnltsmd.cpp
+++ b/vn.lts/vnltsmd/pyltsmd/vnltsmd.cpp
@@ -433,6 +433,15 @@ int MdApi::join()
 	return i;
 };
 
+int MdApi::exit()
+{
+	//该函数在原生API里没有，用于安全退出API用，原生的join似乎不太稳定
+	this->api->RegisterSpi(NULL);
+	this->api->Release();
+	this->api = NULL;
+	return 1;
+};
+
 string MdApi::getTradingDay()
 {
 	string day = this->api->GetTradingDay();
@@ -642,6 +651,7 @@ BOOST_PYTHON_MODULE(vnltsmd)
 		.def("release", &MdApiWrap::release)
 		.def("init", &MdApiWrap::init)
 		.def("join", &MdApiWrap::join)
+		.def("exit", &MdApiWrap::exit)
 		.def("getTradingDay", &MdApiWrap::getTradingDay)
 		.def("registerFront", &MdApiWrap::registerFront)
 		.def("subscribeMarketData", &MdApiWrap::subscribeMarketData)
diff --git a/vn.lts/vnltsmd/pyltsmd/vnltsmd.h b/vn.lts/vnltsmd/pyltsmd/vnltsmd.h
index b5bf9190..44240c8f 100644
--- a/vn.lts/vnltsmd/pyltsmd/vnltsmd.h
+++ b/vn.lts/vnltsmd/pyltsmd/vnltsmd.h
@@ -258,6 +258,8 @@ public:
 
 	int join();
 
+	int exit();
+
 	string getTradingDay();
 
 	void registerFront(string pszFrontAddress);
diff --git a/vn.lts/vnltsmd/test/mdtest.py b/vn.lts/vnltsmd/test/mdtest.py
index 8480ee9d..d753997d 100644
--- a/vn.lts/vnltsmd/test/mdtest.py
+++ b/vn.lts/vnltsmd/test/mdtest.py
@@ -128,16 +128,19 @@ def main():
     #i = api.reqUserLogout({}, 1)
     #sleep(0.5)
     
+    ## 瀹夊叏閫�鍑猴紝娴嬭瘯閫氳繃
+    #i = api.exit()
+    
     # 鑾峰彇浜ゆ槗鏃ワ紝鐩墠杈撳嚭涓虹┖
     #day = api.getTradingDay()
     #print 'Trading Day is:' + str(day)
     #sleep(0.5)
     
-    # 璁㈤槄鍚堢害
-    subReq = {}
-    subReq['InstrumentID'] = '11000061'
-    subReq['ExchangeID'] = 'SSE'
-    i = api.subscribeMarketData(subReq)
+    ## 璁㈤槄鍚堢害
+    #subReq = {}
+    #subReq['InstrumentID'] = '11000061'
+    #subReq['ExchangeID'] = 'SSE'
+    #i = api.subscribeMarketData(subReq)
     
     ## 閫�璁㈠悎绾�
     #i = api.unSubscribeMarketData(subReq)
diff --git a/vn.lts/vnltsmd/test/vnltsmd.pyd b/vn.lts/vnltsmd/test/vnltsmd.pyd
index 52844e77..a4298b84 100644
Binary files a/vn.lts/vnltsmd/test/vnltsmd.pyd and b/vn.lts/vnltsmd/test/vnltsmd.pyd differ
diff --git a/vn.lts/vnltstd/pyltstd/vnltstd.cpp b/vn.lts/vnltstd/pyltstd/vnltstd.cpp
index 74a596a0..99334d08 100644
--- a/vn.lts/vnltstd/pyltstd/vnltstd.cpp
+++ b/vn.lts/vnltstd/pyltstd/vnltstd.cpp
@@ -2127,6 +2127,15 @@ int TdApi::join()
 	return i;
 };
 
+int TdApi::exit()
+{
+	//该函数在原生API里没有，用于安全退出API用，原生的join似乎不太稳定
+	this->api->RegisterSpi(NULL);
+	this->api->Release();
+	this->api = NULL;
+	return 1;
+};
+
 string TdApi::getTradingDay()
 {
 	string day = this->api->GetTradingDay();
@@ -3129,6 +3138,7 @@ BOOST_PYTHON_MODULE(vnltstd)
 		.def("release", &TdApiWrap::release)
 		.def("init", &TdApiWrap::init)
 		.def("join", &TdApiWrap::join)
+		.def("exit", &TdApiWrap::exit)
 		.def("getTradingDay", &TdApiWrap::getTradingDay)
 		.def("registerFront", &TdApiWrap::registerFront)
 		.def("subscribePrivateTopic", &TdApiWrap::subscribePrivateTopic)
diff --git a/vn.lts/vnltstd/pyltstd/vnltstd.h b/vn.lts/vnltstd/pyltstd/vnltstd.h
index 417778fe..e8a3db34 100644
--- a/vn.lts/vnltstd/pyltstd/vnltstd.h
+++ b/vn.lts/vnltstd/pyltstd/vnltstd.h
@@ -496,6 +496,8 @@ public:
 
 	int join();
 
+	int exit();
+
 	string getTradingDay();
 
 	void registerFront(string pszFrontAddress);
diff --git a/vn.lts/vnltstd/test/tdtest.py b/vn.lts/vnltstd/test/tdtest.py
index 6c438e45..a6b2b82e 100644
--- a/vn.lts/vnltstd/test/tdtest.py
+++ b/vn.lts/vnltstd/test/tdtest.py
@@ -345,6 +345,9 @@ def main():
     #i = api.reqUserLogout({}, 1)
     #sleep(0.5)
     
+    ## 瀹夊叏閫�鍑猴紝娴嬭瘯閫氳繃
+    #i = api.exit()
+    
     ## 鑾峰彇浜ゆ槗鏃ワ紝鐩墠杈撳嚭涓虹┖锛屾祴璇曢�氳繃
     #day = api.getTradingDay()
     #print 'Trading Day is:' + str(day)
diff --git a/vn.lts/vnltstd/test/vnltstd.pyd b/vn.lts/vnltstd/test/vnltstd.pyd
index f33d57e9..9e756bb0 100644
Binary files a/vn.lts/vnltstd/test/vnltstd.pyd and b/vn.lts/vnltstd/test/vnltstd.pyd differ