fix bug

src/main/java/com/cnooc/expert/system/operatelog/aspect/LogAspectj.java

@@ -121,6 +121,12 @@ public class LogAspectj {
             HttpServletRequest httpServletRequest = getHttpServletRequest();
             String method = httpServletRequest.getMethod();
             ZhuanJiaUser zhuanJiaUser = getCurrentUser();
+
+            if( zhuanJiaUser == null ){
+                log.info("用户为空，不记录日志");
+                return;
+            }
+
             LogBody logBody = new LogBody();
 
             Enumeration<String> headers = httpServletRequest.getHeaderNames();