diff --git a/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobLogController.java b/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobLogController.java
index dcf5bb83..67faebcc 100644
--- a/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobLogController.java
+++ b/xxl-job-admin/src/main/java/com/xxl/job/admin/controller/JobLogController.java
@@ -1,7 +1,7 @@
 package com.xxl.job.admin.controller;
 
-import com.xxl.job.admin.core.exception.XxlJobException;
 import com.xxl.job.admin.core.complete.XxlJobCompleter;
+import com.xxl.job.admin.core.exception.XxlJobException;
 import com.xxl.job.admin.core.model.XxlJobGroup;
 import com.xxl.job.admin.core.model.XxlJobInfo;
 import com.xxl.job.admin.core.model.XxlJobLog;
@@ -129,22 +129,26 @@ public class JobLogController {
 
         model.addAttribute("triggerCode", jobLog.getTriggerCode());
         model.addAttribute("handleCode", jobLog.getHandleCode());
-        model.addAttribute("executorAddress", jobLog.getExecutorAddress());
-        model.addAttribute("triggerTime", jobLog.getTriggerTime().getTime());
         model.addAttribute("logId", jobLog.getId());
 		return "joblog/joblog.detail";
 	}
 
 	@RequestMapping("/logDetailCat")
 	@ResponseBody
-	public ReturnT<LogResult> logDetailCat(String executorAddress, long triggerTime, long logId, int fromLineNum){
+	public ReturnT<LogResult> logDetailCat(long logId, int fromLineNum){
 		try {
-			ExecutorBiz executorBiz = XxlJobScheduler.getExecutorBiz(executorAddress);
-			ReturnT<LogResult> logResult = executorBiz.log(new LogParam(triggerTime, logId, fromLineNum));
+			// valid
+			XxlJobLog jobLog = xxlJobLogDao.load(logId);	// todo, need to improve performance
+			if (jobLog == null) {
+				return new ReturnT<LogResult>(ReturnT.FAIL_CODE, I18nUtil.getString("joblog_logid_unvalid"));
+			}
+
+			// log cat
+			ExecutorBiz executorBiz = XxlJobScheduler.getExecutorBiz(jobLog.getExecutorAddress());
+			ReturnT<LogResult> logResult = executorBiz.log(new LogParam(jobLog.getTriggerTime().getTime(), logId, fromLineNum));
 
 			// is end
             if (logResult.getContent()!=null && logResult.getContent().getFromLineNum() > logResult.getContent().getToLineNum()) {
-                XxlJobLog jobLog = xxlJobLogDao.load(logId);
                 if (jobLog.getHandleCode() > 0) {
                     logResult.getContent().setEnd(true);
                 }