diff --git a/hera-core/src/main/java/com/dfire/core/netty/master/Master.java b/hera-core/src/main/java/com/dfire/core/netty/master/Master.java
index 04335fc1..293c9d27 100755
--- a/hera-core/src/main/java/com/dfire/core/netty/master/Master.java
+++ b/hera-core/src/main/java/com/dfire/core/netty/master/Master.java
@@ -106,6 +106,7 @@ public class Master {
             HeraLog.info("refresh hostGroup cache");
         });
     }
+
     public boolean isTaskLimit() {
         return masterRunJob.isTaskLimit();
     }
@@ -251,6 +252,7 @@ public class Master {
 
     /**
      * 拓扑排序
+     *
      * @param jobDetails
      * @return
      */
@@ -261,18 +263,19 @@ public class Master {
         Map<Integer, Set<Integer>> downStreamJobInfo = Maps.newHashMap();
         for (HeraJob heraJob : jobDetails) {
             jobInfo.put(heraJob.getId(), heraJob);
-            HashSet<String> depList = Sets.newHashSet(Splitter.on(",").split(heraJob.getDependencies()));
-            for (String dep : depList) {
-                if (!Strings.isNullOrEmpty(dep)) {
-                    Set<Integer> downStreamJobList = downStreamJobInfo.get(Integer.valueOf(dep));
-                    if (downStreamJobList == null) {
-                        downStreamJobList = Sets.newHashSet();
+            if (heraJob.getDependencies() != null) {
+                HashSet<String> depList = Sets.newHashSet(Splitter.on(",").split(heraJob.getDependencies()));
+                for (String dep : depList) {
+                    if (!Strings.isNullOrEmpty(dep)) {
+                        Set<Integer> downStreamJobList = downStreamJobInfo.get(Integer.valueOf(dep));
+                        if (downStreamJobList == null) {
+                            downStreamJobList = Sets.newHashSet();
+                        }
+                        downStreamJobList.add(heraJob.getId());
+                        downStreamJobInfo.put(Integer.valueOf(dep), downStreamJobList);
                     }
-                    downStreamJobList.add(heraJob.getId());
-                    downStreamJobInfo.put(Integer.valueOf(dep), downStreamJobList);
                 }
             }
-
             if (!downStreamJobInfo.containsKey(heraJob.getId())) {
                 downStreamJobInfo.put(heraJob.getId(), Sets.newHashSet());
             }
@@ -446,7 +449,7 @@ public class Master {
             heraAction.setDependencies(null);
             heraAction.setReadyDependency(null);
             heraAction.setHostGroupId(heraJob.getHostGroupId());
-            heraAction.setBatchId(getBatchIdFromActionIdPeriod(actionId,heraJob.getCronPeriod(),heraJob.getCronInterval())); //批次号
+            heraAction.setBatchId(getBatchIdFromActionIdPeriod(actionId, heraJob.getCronPeriod(), heraJob.getCronInterval())); //批次号
             heraActionList.add(heraAction);
         }
         return heraActionList;
@@ -566,7 +569,7 @@ public class Master {
                         actionNew.setJobId(heraJob.getId());
                         actionNew.setAuto(heraJob.getAuto());
                         actionNew.setHostGroupId(heraJob.getHostGroupId());
-                        actionNew.setBatchId(getBatchIdFromActionIdPeriod(actionId,heraJob.getCronPeriod(),heraJob.getCronInterval()));//批次号
+                        actionNew.setBatchId(getBatchIdFromActionIdPeriod(actionId, heraJob.getCronPeriod(), heraJob.getCronInterval()));//批次号
                         masterContext.getHeraJobActionService().insert(actionNew, nowAction);
                         actionMap.put(actionNew.getId(), actionNew);
                         insertList.add(actionNew);
@@ -579,7 +582,6 @@ public class Master {
     }
 
 
-
     public boolean scanQueue(BlockingQueue<JobElement> queue) throws InterruptedException {
         if (!queue.isEmpty()) {
             JobElement jobElement = queue.take();
@@ -1032,52 +1034,53 @@ public class Master {
 
     /**
      * 输出批次号
+     *
      * @param actionId
-     * @param cronPeriod 周期
+     * @param cronPeriod   周期
      * @param cronInterval 间隔
      * @return 批次号；示例actionId=20190102112233,cronPeriod=day,cronInterval=-1,则批次号=2019-01-01
      */
-    public String getBatchIdFromActionIdPeriod(Long actionId,String cronPeriod,int cronInterval) {
-    	cronPeriod=cronPeriod.toLowerCase();
-    	if(cronPeriod.equals("other")){
-    		return actionId.toString();
-    	}else{
-    		String dmStr=actionId.toString().substring(0, 14);
-    		Date currDate = HeraDateTool.StringToDate(dmStr, "yyyyMMddHHmmss");
-    		Calendar cal=Calendar.getInstance();
-    		cal.setTime(currDate);
-    		String outDateStr;
-    		SimpleDateFormat outDateFormat = new SimpleDateFormat(TimeFormatConstant.YYYY_MM_DD_HH_MM_SS);
-    		if(cronPeriod.equals("year")){
-    			cal.add(Calendar.YEAR, cronInterval);
-    			outDateStr = outDateFormat.format(cal.getTime());
-    			return outDateStr.substring(0,4);
-    		}else if(cronPeriod.equals("month")){
-    			cal.add(Calendar.MONTH, cronInterval);
-    			outDateStr = outDateFormat.format(cal.getTime());
-    			return outDateStr.substring(0,7);
-    		}else if(cronPeriod.equals("day")){
-    			cal.add(Calendar.DATE, cronInterval);
-    			outDateStr = outDateFormat.format(cal.getTime());
-    			return outDateStr.substring(0,10);
-    		}else if(cronPeriod.equals("hour")){
-    			cal.add(Calendar.HOUR, cronInterval);
-    			outDateStr = outDateFormat.format(cal.getTime());
-    			return outDateStr.substring(0,13);
-    		}else if(cronPeriod.equals("minute")){
-    			cal.add(Calendar.MINUTE, cronInterval);
-    			outDateStr = outDateFormat.format(cal.getTime());
-    			return outDateStr.substring(0,16);
-    		}else if(cronPeriod.equals("second")){
-    			cal.add(Calendar.SECOND, cronInterval);
-    			outDateStr = outDateFormat.format(cal.getTime());
-    			return outDateStr.substring(0,19);
-    		}else{//未知，使用秒方案
-    			cal.add(Calendar.SECOND, cronInterval);
-    			outDateStr = outDateFormat.format(cal.getTime());
-    			return outDateStr.substring(0,19);
-    		}
-    	}
+    public String getBatchIdFromActionIdPeriod(Long actionId, String cronPeriod, int cronInterval) {
+        cronPeriod = cronPeriod.toLowerCase();
+        if (cronPeriod.equals("other")) {
+            return actionId.toString();
+        } else {
+            String dmStr = actionId.toString().substring(0, 14);
+            Date currDate = HeraDateTool.StringToDate(dmStr, "yyyyMMddHHmmss");
+            Calendar cal = Calendar.getInstance();
+            cal.setTime(currDate);
+            String outDateStr;
+            SimpleDateFormat outDateFormat = new SimpleDateFormat(TimeFormatConstant.YYYY_MM_DD_HH_MM_SS);
+            if (cronPeriod.equals("year")) {
+                cal.add(Calendar.YEAR, cronInterval);
+                outDateStr = outDateFormat.format(cal.getTime());
+                return outDateStr.substring(0, 4);
+            } else if (cronPeriod.equals("month")) {
+                cal.add(Calendar.MONTH, cronInterval);
+                outDateStr = outDateFormat.format(cal.getTime());
+                return outDateStr.substring(0, 7);
+            } else if (cronPeriod.equals("day")) {
+                cal.add(Calendar.DATE, cronInterval);
+                outDateStr = outDateFormat.format(cal.getTime());
+                return outDateStr.substring(0, 10);
+            } else if (cronPeriod.equals("hour")) {
+                cal.add(Calendar.HOUR, cronInterval);
+                outDateStr = outDateFormat.format(cal.getTime());
+                return outDateStr.substring(0, 13);
+            } else if (cronPeriod.equals("minute")) {
+                cal.add(Calendar.MINUTE, cronInterval);
+                outDateStr = outDateFormat.format(cal.getTime());
+                return outDateStr.substring(0, 16);
+            } else if (cronPeriod.equals("second")) {
+                cal.add(Calendar.SECOND, cronInterval);
+                outDateStr = outDateFormat.format(cal.getTime());
+                return outDateStr.substring(0, 19);
+            } else {//未知，使用秒方案
+                cal.add(Calendar.SECOND, cronInterval);
+                outDateStr = outDateFormat.format(cal.getTime());
+                return outDateStr.substring(0, 19);
+            }
+        }
     }