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 21d4fd60..f7d9cf85 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
@@ -23,12 +23,10 @@ import org.springframework.web.servlet.ModelAndView;
  */
 public class LogInterceptor extends BaseService implements HandlerInterceptor {
 
-	private static final ThreadLocal<Long> startTimeThreadLocal =
-			new NamedThreadLocal<Long>("LogInterceptor StartTime");
+	private static final ThreadLocal<Long> startTimeThreadLocal = new NamedThreadLocal<>("LogInterceptorStartTime");
 	
 	@Override
-	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, 
-			Object handler) throws Exception {
+	public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) {
 		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）  
 		if (logger.isDebugEnabled()){
@@ -38,25 +36,22 @@ public class LogInterceptor extends BaseService implements HandlerInterceptor {
 	}
 
 	@Override
-	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, 
-			ModelAndView modelAndView) throws Exception {
+	public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) {
 		if (modelAndView != null && logger.isDebugEnabled()){
-			logger.debug("ViewName: " + modelAndView.getViewName() + " <<< " + request.getRequestURI() + " >>> " + handler);
+			logger.debug("ViewName: {} <<< {} >>> {}", modelAndView.getViewName(), request.getRequestURI(), handler);
 		}
 	}
 
 	@Override
 	public void afterCompletion(HttpServletRequest request, HttpServletResponse response, 
-			Object handler, Exception ex) throws Exception {
+			Object handler, Exception ex) {
 		long endTime = System.currentTimeMillis(); 	// 2、结束时间
 		long startTime = 0; // 得到线程绑定的局部变量（开始时间）
-		if (startTimeThreadLocal != null){
-			Long time = startTimeThreadLocal.get();
-			if (time != null){
-				startTime = time;
-			}
-			startTimeThreadLocal.remove(); // 用完之后销毁线程变量数据
+		Long time = startTimeThreadLocal.get();
+		if (time != null){
+			startTime = time;
 		}
+		startTimeThreadLocal.remove(); // 用完之后销毁线程变量数据
 		if (startTime == 0){
 			startTime = endTime + 1000;	// 得到 -1000 方便统计
 		}