....

src/main/java/cn/com/qmth/examcloud/web/interceptor/FirstInterceptor.java

@@ -131,6 +131,7 @@ public class FirstInterceptor implements HandlerInterceptor {
 		LOG.debug("afterCompletion... ...");
 		// 清理log4j线程上下文
 		ThreadContext.clearAll();
+		ThreadLocalUtil.clearAll();
 	}
 
 }