diff --git a/modules/core/src/main/java/com/jeesite/modules/sys/interceptor/LogInterceptor.java b/modules/core/src/main/java/com/jeesite/modules/sys/interceptor/LogInterceptor.java
index bf2dc8d7..27640230 100644
--- a/modules/core/src/main/java/com/jeesite/modules/sys/interceptor/LogInterceptor.java
+++ b/modules/core/src/main/java/com/jeesite/modules/sys/interceptor/LogInterceptor.java
@@ -4,14 +4,6 @@
  */
 package com.jeesite.modules.sys.interceptor;
 
-import javax.servlet.http.HttpServletRequest;
-import javax.servlet.http.HttpServletResponse;
-
-import org.slf4j.MDC;
-import org.springframework.core.NamedThreadLocal;
-import org.springframework.web.servlet.HandlerInterceptor;
-import org.springframework.web.servlet.ModelAndView;
-
 import com.jeesite.common.idgen.IdGen;
 import com.jeesite.common.lang.ByteUtils;
 import com.jeesite.common.lang.StringUtils;
@@ -20,6 +12,13 @@ import com.jeesite.common.network.IpUtils;
 import com.jeesite.common.service.BaseService;
 import com.jeesite.modules.sys.utils.LogUtils;
 import com.jeesite.modules.sys.utils.UserUtils;
+import org.slf4j.MDC;
+import org.springframework.core.NamedThreadLocal;
+import org.springframework.web.servlet.HandlerInterceptor;
+import org.springframework.web.servlet.ModelAndView;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
 
 /**
  * 日志拦截器
@@ -36,7 +35,7 @@ public class LogInterceptor extends BaseService implements HandlerInterceptor {
 	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, 
 			Object handler) throws Exception {
 		if (StringUtils.isBlank(MDC.get(TRACE_ID))) {
-            MDC.put(TRACE_ID, IdGen.nextId());
+            MDC.put(TRACE_ID, IdGen.randomBase62(4));
         }
 		long beginTime = System.currentTimeMillis();// 1、开始时间  
 		startTimeThreadLocal.set(beginTime);		// 线程绑定变量（该数据只有当前请求的线程可见）