diff --git a/addons/dynamic-mount/ossfs/docker/Dockerfile b/addons/dynamic-mount/ossfs/docker/Dockerfile
index 5f494d28239..5988045284e 100644
--- a/addons/dynamic-mount/ossfs/docker/Dockerfile
+++ b/addons/dynamic-mount/ossfs/docker/Dockerfile
@@ -17,7 +17,7 @@ RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/' /etc/apk/repositories
 RUN apk update && \
     apk add bash curl coreutils fuse inotify-tools libgcc libstdc++ libxml2 openssl python3 tini && \
     rm -rf /var/cache/apk/*
-ENV OSSFS_VERSION v1.91.1
+ENV OSSFS_VERSION=v1.91.1
 COPY --from=builder /usr/bin/ossfs /usr/bin/ossfs
 
 COPY mount_and_umount.py /
diff --git a/docker/Dockerfile.crds b/docker/Dockerfile.crds
index fc966784fe0..4ba70c84ab5 100644
--- a/docker/Dockerfile.crds
+++ b/docker/Dockerfile.crds
@@ -10,6 +10,6 @@ RUN apk add --update bash curl iproute2 libc6-compat tzdata vim &&  \
  	echo "Asia/Shanghai" >  /etc/timezone
 
 # need kubectl as upgrade-crds.sh uses it.
-ENV K8S_VERSION v1.24.6
+ENV K8S_VERSION=v1.24.6
 ARG TARGETARCH
 RUN curl -o /usr/local/bin/kubectl https://storage.googleapis.com/kubernetes-release/release/${K8S_VERSION}/bin/linux/${TARGETARCH}/kubectl && chmod +x /usr/local/bin/kubectl
diff --git a/samples/vineyard/Dockerfile b/samples/vineyard/Dockerfile
index 4cb2b67a1da..f7f7b9d68aa 100644
--- a/samples/vineyard/Dockerfile
+++ b/samples/vineyard/Dockerfile
@@ -5,6 +5,6 @@ RUN pip3 install pandas requests numpy vineyard scikit-learn==1.4.0 joblib==1.3.
 WORKDIR /
 
 ARG APP
-ENV APP ${APP}
+ENV APP=${APP}
 
 COPY ${APP} /${APP}