diff --git a/Dockerfile.r4se b/Dockerfile.r4se
index acf6b50..08d7652 100644
--- a/Dockerfile.r4se
+++ b/Dockerfile.r4se
@@ -1,4 +1,4 @@
-FROM ubuntu:jammy-20230308
+FROM ubuntu:jammy-20230308 AS build
 LABEL maintainer=admin@licsber.site
 
 # https://github.com/friendlyarm/Actions-FriendlyWrt/blob/master/.github/workflows/build.yml
@@ -54,3 +54,7 @@ RUN cd friendlywrt && \
     find dl -size -1024c -exec ls -l {} \; && \
     find dl -size -1024c -exec rm -f {} \;
 
+RUN cd friendlywrt && \
+    make -j4 || make -j1 V=s && \
+    echo $?
+