自研Log组件参数占位符改为"{}"，并修复打印有参日志时参数不匹配导致报错的问题；

doc/XXL-JOB官方文档.md

 - 13、任务线程停止变量修饰符优化；
 - 14、脚本任务Log文件流关闭优化；
 - 15、任务报表成功、失败和进行中统计问题修复；
+- 16、自研Log组件参数占位符改为"{}"，并修复打印有参日志时参数不匹配导致报错的问题；
 
 
 ### TODO LIST

xxl-job-core/src/main/java/com/xxl/job/core/log/XxlJobLogger.java

 package com.xxl.job.core.log;
 
-import java.io.PrintWriter;
-import java.io.StringWriter;
-import java.text.SimpleDateFormat;
-import java.util.Date;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.slf4j.helpers.FormattingTuple;
 import org.slf4j.helpers.MessageFormatter;
 
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
 /**
  * Created by xuxueli on 17/4/28.
  */
     /**
      * append log with pattern
      *
-     * @param appendLogPattern  like "aaa {0} bbb {1} ccc"
+     * @param appendLogPattern  like "aaa {} bbb {} ccc"
      * @param appendLogArguments    like "111, true"
      */
     public static void log(String appendLogPattern, Object ... appendLogArguments) {
 
     	FormattingTuple ft = MessageFormatter.format(appendLogPattern, appendLogArguments);
-        
         String appendLog = ft.getMessage();
+
+        /*appendLog = appendLogPattern;
+        if (appendLogArguments!=null && appendLogArguments.length>0) {
+            appendLog = MessageFormat.format(appendLogPattern, appendLogArguments);
+        }*/
+
         StackTraceElement callInfo = new Throwable().getStackTrace()[1];
-        
-//        appendLog = appendLogPattern;
-//        if (appendLogArguments!=null && appendLogArguments.length>0) {
-//            appendLog = MessageFormat.format(appendLogPattern, appendLogArguments);
-//        }
         logDetail(callInfo, appendLog);
     }