diff --git a/lmp_v0.3.9/src/com/lpro/iot/bean/ec/IotNodeInfoBOSocket.java b/lmp_v0.3.9/src/com/lpro/iot/bean/ec/IotNodeInfoBOSocket.java
new file mode 100644
index 0000000..7b24a4d
--- /dev/null
+++ b/lmp_v0.3.9/src/com/lpro/iot/bean/ec/IotNodeInfoBOSocket.java
@@ -0,0 +1,13 @@
+package com.lpro.iot.bean.ec;
+
+import com.lpro.iot.bean.IotNodeInfoBO;
+import org.apache.mina.core.session.IoSession;
+
+import java.util.Date;
+
+public class IotNodeInfoBOSocket extends IotNodeInfoBO {
+    //Stocket session
+    public IoSession session;
+    //最后访问时间
+    public Date  lastDatetime;
+}
diff --git a/lpro/src/main/java/com/lp/controller/iot/IotNodeInfoController.java b/lpro/src/main/java/com/lp/controller/iot/IotNodeInfoController.java
index 38772af..a1535f8 100644
--- a/lpro/src/main/java/com/lp/controller/iot/IotNodeInfoController.java
+++ b/lpro/src/main/java/com/lp/controller/iot/IotNodeInfoController.java
@@ -6,22 +6,6 @@
  */
 package com.lp.controller.iot;
 
-import java.util.Date;
-import java.util.List;
-import java.util.Map;
-
-import javax.servlet.http.HttpServletResponse;
-
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.stereotype.Controller;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestHeader;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RequestMethod;
-import org.springframework.web.bind.annotation.RequestParam;
-import org.springframework.web.multipart.MultipartFile;
-import org.springframework.web.servlet.ModelAndView;
-
 import com.lp.bo.IotHistoryNodeDataBO;
 import com.lp.bo.IotNodeInfoBO;
 import com.lp.bo.IotSensorInfoBO;
@@ -32,13 +16,22 @@ import com.lp.cfg.ProConfig;
 import com.lp.common.Code;
 import com.lp.common.Code.ResponseCode;
 import com.lp.common.CodeIot;
-import com.lp.common.Constants;
 import com.lp.common.RequestURLIOT;
 import com.lp.controller.BaseController;
 import com.lp.service.IotNodeInfoService;
 import com.lp.util.ObjectUtil;
 import com.lp.util.ResultMapUtils;
 import com.lp.util.iot.ProtocolUtil;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+import org.springframework.web.servlet.ModelAndView;
+
+import javax.servlet.http.HttpServletResponse;
+import java.util.Date;
+import java.util.List;
+import java.util.Map;
 
 
 @Controller
@@ -254,7 +247,7 @@ public class IotNodeInfoController extends BaseController {
 	}
 	
 	/**
-	 * LPM 更新网关状态，设备在线
+	 * 设备在线 更新设备状态     #LPM 1 更新网关状态，
 	 * @param response
 	 * @param obj
 	 * @return