diff --git a/src/com/nms/server/common/Constants.java b/src/com/nms/server/common/Constants.java
index a626a16..f084217 100644
--- a/src/com/nms/server/common/Constants.java
+++ b/src/com/nms/server/common/Constants.java
@@ -412,7 +412,7 @@ public class Constants {
 //	public static final Integer TEST_SWITCH;
 	//static final 自变量的初始化
 	//当前业务系统id
-	public static final String CURRENT_SYSTEM_ID;
+	public static final String MISSION_SINGLE;
 	
 	public static final String DB_TYPE;
 	public static final boolean IS_MYSQL;
@@ -782,7 +782,7 @@ public class Constants {
 		 * 是否是 mysql 数据库
 		 */
 		
-		CURRENT_SYSTEM_ID = Config.getString("system.id", "-1");
+		MISSION_SINGLE = Config.getString("mission.single", "0");
 		
 		IS_MYSQL = "mysql".equalsIgnoreCase(DB_TYPE);
 		/**
diff --git a/src/com/nms/server/service/UpgradeService.java b/src/com/nms/server/service/UpgradeService.java
index fdd629a..ab78710 100644
--- a/src/com/nms/server/service/UpgradeService.java
+++ b/src/com/nms/server/service/UpgradeService.java
@@ -55,8 +55,6 @@ public class UpgradeService extends CommonService{
 	 */
 	public ArrayList<MissionStateTable> getNewMessionList(Long missionId){
 		//-- 查询可执行的任务
-		String systemSql = "-1".equals(Constants.CURRENT_SYSTEM_ID) ? "" : "and mst.system_id=" + Constants.CURRENT_SYSTEM_ID + " ";
-		
 		StringBuffer searchSQL = new StringBuffer();
 		searchSQL.append("select mst.mission_id,");
 		searchSQL.append("mst.mission_type,");
@@ -69,7 +67,6 @@ public class UpgradeService extends CommonService{
 		searchSQL.append("mst.loop_delay ");
 		searchSQL.append("from mission_state_table mst ");
 		searchSQL.append("where 1=1 ");
-		searchSQL.append(systemSql);
 		//2012-03-20 取消任务时间过滤，将对所有任务进行处理 
 //		searchSQL.append("and (mst.end_time>sysdate or mst.end_time is null) ");// 周期任务（未过时）  or  非周期任务
 		if (missionId!=null && missionId.longValue() !=0l) {
@@ -126,8 +123,6 @@ public class UpgradeService extends CommonService{
 	 */
 	public ArrayList<MissionStateTable> getStartMessionList(String ids){
 		//-- 查询可执行的任务
-		String systemSql = "-1".equals(Constants.CURRENT_SYSTEM_ID) ? "" : "and mst.system_id=" + Constants.CURRENT_SYSTEM_ID + " ";
-		
 		StringBuffer searchSQL = new StringBuffer();
 		searchSQL.append("select mst.mission_id,");
 		searchSQL.append("mst.mission_type,");
@@ -140,7 +135,6 @@ public class UpgradeService extends CommonService{
 		searchSQL.append("mst.loop_delay ");
 		searchSQL.append("from mission_state_table mst ");
 		searchSQL.append("where 1=1 ");
-		searchSQL.append(systemSql);
 //		searchSQL.append("and (mst.end_time>sysdate or mst.end_time is null) ");
 		searchSQL.append("and mst.mission_state in(2,6) ");	
 		if(StringUtils.isNotEmpty(ids)){
@@ -772,8 +766,19 @@ public class UpgradeService extends CommonService{
 			}
 			
 			//查询任务下发节点sql-管理范围外节点
+			//是否限制为当前dc范围
+			boolean missionSingle = Constants.MISSION_SINGLE.equals("1") ? true : false;
+			StringBuffer msSql = new StringBuffer("");
+			if (missionSingle) {
+				Long serverId = Common.getServerTable().getId();
+				msSql.append("and sis.server_id=");
+				msSql.append(serverId);
+				msSql.append(" ");
+			}
 			ArrayList<String> ipnSegmentFields = new ArrayList<String>();
-			StringBuffer ipnSegmentSQL = new StringBuffer("select sis.start_ipn,sis.end_ipn from server_ip_segment sis left join server_table st on st.id = sis.server_id where st.server_state='0' and nvl(sis.segment_state,0) <>-1");
+			StringBuffer ipnSegmentSQL = new StringBuffer("select sis.start_ipn,sis.end_ipn from server_ip_segment sis left join server_table st on st.id = sis.server_id where st.server_state='0' and nvl(sis.segment_state,0) <>-1 ");
+			ipnSegmentSQL.append(msSql);
+			
 			ipnSegmentFields.add("start_ipn");
 			ipnSegmentFields.add("end_ipn");
 			ArrayList<Map<String, String>> omNodeMapList = dao.dbSelect(ipnSegmentSQL.toString(), ipnSegmentFields);
@@ -797,7 +802,7 @@ public class UpgradeService extends CommonService{
 					if(omNodeMapList!= null && omNodeMapList.size()>0){
 						omNode:for(Map<String, String> map : omNodeMapList){
 							if(nodeMap.get("seq_id").equals(map.get("seq_id"))){//管理范围外节点失败结果
-								params.add(new String[]{missionId.longValue()+"",nodeMap.get("seq_id")+"","1",MissionConstants.ERROR_RESULT_UN_MANAGEMENT_NODE});
+								//params.add(new String[]{missionId.longValue()+"",nodeMap.get("seq_id")+"","1",MissionConstants.ERROR_RESULT_UN_MANAGEMENT_NODE});
 								continue node;
 							}
 						}
diff --git a/src/myconfig.properties b/src/myconfig.properties
index 1806fb5..4b2fdd1 100644
--- a/src/myconfig.properties
+++ b/src/myconfig.properties
@@ -48,6 +48,8 @@ email.host =
 web.socket.port = 60703
 
 #---Common-------
+##--分中心只执行自身范围内client的任务  0 关闭;1 开启;
+mission.single = 1
 ##--全局文本解析编码，与web端、Agent端一致，不可修改
 common.text.coding = UTF-8
 ##--全局日期格式化方式，须与数据库 日期数据格式化方式（db.date.format）保持一致，不建议修改