bug

ims-service/ims-eval/src/main/java/com/ims/eval/config/permission/PermissionAspect.java

@@ -212,7 +212,7 @@ public class PermissionAspect implements Interceptor {
 
 	@Cacheable(value = "user_code")
 	private MyuserResDTO getSysUser(String code) {
-		if (StringUtils.isBlank(code)){
+		if (StringUtils.isBlank(code) || code.toLowerCase().equals("null")){
 			return null;
 		}
 		JSONObject json = serviceBuilder.getGatewayUrl().getSysUser(code);