diff --git a/install.sh b/install.sh
index 068bfa7..6524916 100755
--- a/install.sh
+++ b/install.sh
@@ -63,14 +63,12 @@ else
     echo "[WARN] gost hash mismatch: $LOCAL_GOST_HASH. Expected: $VERIFIED_GOST_HASH"
 fi
 
-sudo podman build . -f DockerfileBase -t wg-ops-base:latest
-sudo podman build . -f DockerfileBuildEnv -t wg-ops-buildenv:latest
-sudo podman build . -f DockerfileRunEnv -t wg-ops-runenv:latest
-
 podman build . -f DockerfileBase -t wg-ops-base:latest
 podman build . -f DockerfileBuildEnv -t wg-ops-buildenv:latest
 podman build . -f DockerfileRunEnv -t wg-ops-runenv:latest
 
+podman save wg-ops-runenv:latest | sudo podman load
+
 CONTAINER_ID=$(podman run --rm -it -v ./bin:/root/bin -d wg-ops-buildenv)
 podman cp mux.c $CONTAINER_ID:/root/
 podman exec -it $CONTAINER_ID bash -c "cd /root && gcc -O3 -o bin/mux mux.c"
diff --git a/install_cn.sh b/install_cn.sh
index 50f488e..19a4246 100755
--- a/install_cn.sh
+++ b/install_cn.sh
@@ -62,14 +62,12 @@ else
     echo "[WARN] gost hash mismatch: $LOCAL_GOST_HASH. Expected: $VERIFIED_GOST_HASH"
 fi
 
-sudo podman build . -f DockerfileBaseCN -t wg-ops-base:latest
-sudo podman build . -f DockerfileBuildEnv -t wg-ops-buildenv:latest
-sudo podman build . -f DockerfileRunEnv -t wg-ops-runenv:latest
-
 podman build . -f DockerfileBaseCN -t wg-ops-base:latest
 podman build . -f DockerfileBuildEnv -t wg-ops-buildenv:latest
 podman build . -f DockerfileRunEnv -t wg-ops-runenv:latest
 
+podman save wg-ops-runenv:latest | sudo podman load
+
 CONTAINER_ID=$(podman run --rm -it -v ./bin:/root/bin -d wg-ops-buildenv)
 podman cp mux.c $CONTAINER_ID:/root/
 podman exec -it $CONTAINER_ID bash -c "cd /root && gcc -O3 -o bin/mux mux.c"