diff --git a/xxl-job-core/src/main/java/com/xxl/job/core/context/XxlJobContext.java b/xxl-job-core/src/main/java/com/xxl/job/core/context/XxlJobContext.java
index 7d3d13c6..3f2dfc81 100644
--- a/xxl-job-core/src/main/java/com/xxl/job/core/context/XxlJobContext.java
+++ b/xxl-job-core/src/main/java/com/xxl/job/core/context/XxlJobContext.java
@@ -27,14 +27,19 @@ public class XxlJobContext {
     // ---------------------- for log ----------------------
 
     /**
-     * job log timestamp
+     * log id
      */
-    private final long jobLogTime;
-    
+    private final long logId;
+
+    /**
+     * log timestamp
+     */
+    private final long logDateTime;
+
     /**
-     * job log filename
+     * log filename
      */
-    private final String jobLogFileName;
+    private final String logFileName;
 
     // ---------------------- for shard ----------------------
 
@@ -66,16 +71,18 @@ public class XxlJobContext {
     private String handleMsg;
 
 
-    public XxlJobContext(long jobId, 
+    public XxlJobContext(long jobId,
                          String jobParam,
-                         long jobLogTime,
-                         String jobLogFileName,
+                         long logId,
+                         long logDateTime,
+                         String logFileName,
                          int shardIndex, 
                          int shardTotal) {
         this.jobId = jobId;
         this.jobParam = jobParam;
-        this.jobLogTime = jobLogTime;
-        this.jobLogFileName = jobLogFileName;
+        this.logId = logId;
+        this.logDateTime = logDateTime;
+        this.logFileName = logFileName;
         this.shardIndex = shardIndex;
         this.shardTotal = shardTotal;
 
@@ -90,12 +97,16 @@ public class XxlJobContext {
         return jobParam;
     }
 
-    public String getJobLogFileName() {
-        return jobLogFileName;
+    public long getLogId() {
+        return logId;
+    }
+
+    public long getLogDateTime() {
+        return logDateTime;
     }
 
-    public long getJobLogTime() {
-        return jobLogTime;
+    public String getLogFileName() {
+        return logFileName;
     }
 
     public int getShardIndex() {
diff --git a/xxl-job-core/src/main/java/com/xxl/job/core/context/XxlJobHelper.java b/xxl-job-core/src/main/java/com/xxl/job/core/context/XxlJobHelper.java
index 838b0fd6..ae9e62b6 100644
--- a/xxl-job-core/src/main/java/com/xxl/job/core/context/XxlJobHelper.java
+++ b/xxl-job-core/src/main/java/com/xxl/job/core/context/XxlJobHelper.java
@@ -18,7 +18,7 @@ import java.util.Date;
  */
 public class XxlJobHelper {
 
-    // ---------------------- base info ----------------------
+    // ---------------------- job info ----------------------
 
     /**
      * current JobId
@@ -48,20 +48,34 @@ public class XxlJobHelper {
         return xxlJobContext.getJobParam();
     }
 
-    // ---------------------- for log ----------------------
+    // ---------------------- log info ----------------------
 
     /**
      * current job log time
      *
      * @return logDateTime
      */
-    public static long getJobLogTime() {
+    public static long getLogId() {
         XxlJobContext xxlJobContext = XxlJobContext.getXxlJobContext();
         if (xxlJobContext == null) {
             return -1;
         }
 
-        return xxlJobContext.getJobLogTime();
+        return xxlJobContext.getLogId();
+    }
+
+    /**
+     * current job log time
+     *
+     * @return logDateTime
+     */
+    public static long getLogDateTime() {
+        XxlJobContext xxlJobContext = XxlJobContext.getXxlJobContext();
+        if (xxlJobContext == null) {
+            return -1;
+        }
+
+        return xxlJobContext.getLogDateTime();
     }
 
     /**
@@ -69,16 +83,16 @@ public class XxlJobHelper {
      *
      * @return logFileName
      */
-    public static String getJobLogFileName() {
+    public static String getLogFileName() {
         XxlJobContext xxlJobContext = XxlJobContext.getXxlJobContext();
         if (xxlJobContext == null) {
             return null;
         }
 
-        return xxlJobContext.getJobLogFileName();
+        return xxlJobContext.getLogFileName();
     }
 
-    // ---------------------- for shard ----------------------
+    // ---------------------- shard info ----------------------
 
     /**
      * current ShardIndex
@@ -171,7 +185,7 @@ public class XxlJobHelper {
                 (appendLog != null ? appendLog : "");
 
         // appendlog
-        String logFileName = xxlJobContext.getJobLogFileName();
+        String logFileName = xxlJobContext.getLogFileName();
 
         if (logFileName!=null && !logFileName.trim().isEmpty()) {
             XxlJobFileAppender.appendLog(logFileName, formatAppendLog);
diff --git a/xxl-job-core/src/main/java/com/xxl/job/core/handler/impl/ScriptJobHandler.java b/xxl-job-core/src/main/java/com/xxl/job/core/handler/impl/ScriptJobHandler.java
index 725dea94..54ea0fa3 100644
--- a/xxl-job-core/src/main/java/com/xxl/job/core/handler/impl/ScriptJobHandler.java
+++ b/xxl-job-core/src/main/java/com/xxl/job/core/handler/impl/ScriptJobHandler.java
@@ -69,7 +69,7 @@ public class ScriptJobHandler extends IJobHandler {
         }
 
         // log file
-        String logFileName = XxlJobContext.getXxlJobContext().getJobLogFileName();
+        String logFileName = XxlJobContext.getXxlJobContext().getLogFileName();
 
         // script params：0=param、1=分片序号、2=分片总数
         String jobParam = XxlJobHelper.getJobParam();
diff --git a/xxl-job-core/src/main/java/com/xxl/job/core/thread/JobThread.java b/xxl-job-core/src/main/java/com/xxl/job/core/thread/JobThread.java
index 9000f40c..1082f01d 100644
--- a/xxl-job-core/src/main/java/com/xxl/job/core/thread/JobThread.java
+++ b/xxl-job-core/src/main/java/com/xxl/job/core/thread/JobThread.java
@@ -115,6 +115,7 @@ public class JobThread extends Thread{
 					XxlJobContext xxlJobContext = new XxlJobContext(
 							triggerParam.getJobId(),
 							triggerParam.getExecutorParams(),
+                            triggerParam.getLogId(),
                             triggerParam.getLogDateTime(),
                             logFileName,
 							triggerParam.getBroadcastIndex(),
@@ -178,7 +179,7 @@ public class JobThread extends Thread{
 
 				} else {
 					if (idleTimes > 30) {
-						if(triggerQueue.size() == 0) {	// avoid concurrent trigger causes jobId-lost
+						if(triggerQueue.isEmpty()) {	// avoid concurrent trigger causes jobId-lost
 							XxlJobExecutor.removeJobThread(jobId, "excutor idle times over limit.");
 						}
 					}
@@ -221,7 +222,7 @@ public class JobThread extends Thread{
         }
 
 		// callback trigger request in queue
-		while(triggerQueue !=null && triggerQueue.size()>0){
+		while(triggerQueue !=null && !triggerQueue.isEmpty()){
 			TriggerRequest triggerParam = triggerQueue.poll();
 			if (triggerParam!=null) {
 				// is killed
diff --git a/xxl-job-core/src/main/java/com/xxl/job/core/thread/TriggerCallbackThread.java b/xxl-job-core/src/main/java/com/xxl/job/core/thread/TriggerCallbackThread.java
index 4252dbed..2417a36d 100644
--- a/xxl-job-core/src/main/java/com/xxl/job/core/thread/TriggerCallbackThread.java
+++ b/xxl-job-core/src/main/java/com/xxl/job/core/thread/TriggerCallbackThread.java
@@ -208,6 +208,7 @@ public class TriggerCallbackThread {
                     -1,
                     null,
                     -1,
+                    -1,
                     logFileName,
                     -1,
                     -1));