diff --git a/src/main/java/com/gzzn/omms/msgexchangeapi/msghandler/flop/GTDTHandler.java b/src/main/java/com/gzzn/omms/msgexchangeapi/msghandler/flop/GTDTHandler.java
index b162e2cd..3a9b4825 100644
--- a/src/main/java/com/gzzn/omms/msgexchangeapi/msghandler/flop/GTDTHandler.java
+++ b/src/main/java/com/gzzn/omms/msgexchangeapi/msghandler/flop/GTDTHandler.java
@@ -1,8 +1,13 @@
 package com.gzzn.omms.msgexchangeapi.msghandler.flop;
 
+import java.math.BigInteger;
+import java.util.List;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.BeanUtils;
+import org.springframework.util.CollectionUtils;
+import org.springframework.util.StringUtils;
 
 import com.gzzn.omms.msgexchangeapi.entity.msg.FLOP;
 import com.gzzn.omms.msgexchangeapi.entity.msg.GATEDATA;
@@ -22,14 +27,120 @@ public class GTDTHandler extends FlopBaseHandler {
 	@Override
 	protected SCHD.FLTR  updateFltr(FLOP flop,SCHD.FLTR  fltr)
 	{
+		//相同直接返回
+		if(isTheSameGtdt(fltr.getGTDT(),flop.getGTDT()))
+		{
+			return fltr;
+		}
+		
+		
+		//先保存当前航班机位数据
+		if(!CollectionUtils.isEmpty(fltr.getGTDT()))
+		{
+			fltr.setLgtdt(getGtdtAsStr(fltr.getGTDT()));
+		}
+		
 		fltr.getGTDT().clear(); //清空旧数据
+		
+		//清空登机门事件，直接返回
+		if (isClearGtdtMsg(flop.getGTDT())) {
+			return fltr;
+		}
+		
+		//更新登记门信息
 		for(OPTGATEDATA optgatedata : flop.getGTDT() ) 
 		{
 			GATEDATA gatedata = new GATEDATA();
 			BeanUtils.copyProperties(optgatedata, gatedata);
 			
 			fltr.getGTDT().add(gatedata);
-		} //添加新数据
+		} 
 		return fltr;
 	}
+	
+	/**
+	 * 判断当前的登机门信息和要设置的登记门信息是否一致
+	 * @param lsGatedata 当前登记门信息
+	 * @param lsOptgatedata 要设置成的登记门信息
+	 * @return true ,false 
+	 */
+	private Boolean  isTheSameGtdt(List<GATEDATA> lsGatedata,List<OPTGATEDATA> lsOptgatedata) 
+	{
+		//特殊处理清空航班事件
+		if(
+				isClearGtdtMsg(lsOptgatedata)
+				&& 
+				CollectionUtils.isEmpty(lsGatedata)
+		  )
+		{
+			return true;//当前为清除机位信息，同时当前登机门信息为空
+		}
+		
+		//不相等,必然不同
+		if (lsGatedata.size() != lsOptgatedata.size()) {
+			return false;
+		}
+		
+		//生成序列比较是否相等
+		lsGatedata.sort((node1,node2)-> node1.getGATE().compareTo(node2.getGATE()));
+		lsOptgatedata.sort((node1,node2)-> node1.getGATE().compareTo(node2.getGATE()));
+		
+		
+		StringBuilder strGtdt = new StringBuilder();
+		lsGatedata.forEach(node->{
+			strGtdt.append(node.getGATE());
+			strGtdt.append(",");
+		});
+		
+		StringBuilder strOptGtdt = new StringBuilder();
+		lsOptgatedata.forEach(node->{
+			strOptGtdt.append(node.getGATE());
+			strOptGtdt.append(",");
+		});
+		
+		return strGtdt.toString().equals(strOptGtdt.toString());
+	}
+	
+	
+	/**
+	 * 判断是否清空登机门事件,内容为空的情况,<GTDT GTNO = "0"></GTDT>
+	 * @param lsOptgatedata 登机门数据列表
+	 * @return true 清空登机门事件 ,false 非清空登机门事件
+	 */
+	private Boolean isClearGtdtMsg(List<OPTGATEDATA> lsOptgatedata)
+	{
+		return  (
+				   lsOptgatedata.size() == 1 
+			        && lsOptgatedata.get(0).getGTNO().equals(new BigInteger("0"))
+			        && StringUtils.isEmpty(lsOptgatedata.get(0).getGATE())
+				);
+	}
+	
+	
+	/**
+	 * 将机位信息列表，组织成逗号分隔的字符串
+	 * @return
+	 */
+	private String getGtdtAsStr(List<GATEDATA> lsGatedata)
+	{
+		if(CollectionUtils.isEmpty(lsGatedata))
+		{
+			return "";
+		}
+		
+		
+		//先保存当前航班机位数据
+		StringBuilder lgtdt= new StringBuilder();
+		for(GATEDATA node : lsGatedata) 
+		{
+			lgtdt.append(node.getGATE());
+			lgtdt.append(",");
+		}
+		if(lgtdt.toString().endsWith(","))
+		{
+			lgtdt.deleteCharAt(lgtdt.length()-1);
+		}
+		
+		return lgtdt.toString();
+	}//end function
 }