diff --git a/Dockerfile b/Dockerfile
index c4f0e05..3cf750e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,67 +1,67 @@
-ARG ALPINE_IMG="alpine:3.16"
-ARG GOLANG_IMG="golang:1.18-alpine3.16"
+ARG ALPINE="alpine:3.16"
+ARG GOLANG="golang:1.18-alpine3.16"
 
-FROM ${ALPINE_IMG} AS upx
-ENV UPX_VER="3.96"
+FROM ${ALPINE} AS upx
+ENV UPX="3.96"
 RUN sed -i 's/v3.\d\d/v3.15/' /etc/apk/repositories && apk add bash build-base perl ucl-dev zlib-dev
-RUN wget https://github.com/upx/upx/releases/download/v${UPX_VER}/upx-${UPX_VER}-src.tar.xz && tar xf upx-${UPX_VER}-src.tar.xz
-WORKDIR ./upx-${UPX_VER}-src/
+RUN wget https://github.com/upx/upx/releases/download/v${UPX}/upx-${UPX}-src.tar.xz && tar xf upx-${UPX}-src.tar.xz
+WORKDIR ./upx-${UPX}-src/
 RUN make -C ./src/ && mkdir -p /upx/bin/ && mv ./src/upx.out /upx/bin/upx && \
-    mkdir -p /upx/lib/ && cd /usr/lib/ && cp -d ./libgcc_s.so* ./libstdc++.so* ./libucl.so* /upx/lib/
+    mkdir -p /upx/lib/ && cd /usr/lib/ && cp -d libgcc_s.so* libstdc++.so* libucl.so* /upx/lib/
 
-FROM ${GOLANG_IMG} AS adguard
-ENV ADGUARD_VER="v0.107.14"
+FROM ${GOLANG} AS adguard
+ENV ADGUARD="v0.107.14"
 RUN apk add git make npm yarn && git clone https://github.com/AdguardTeam/AdGuardHome.git
 WORKDIR ./AdGuardHome/
-RUN git checkout ${ADGUARD_VER} && make js-deps
+RUN git checkout ${ADGUARD} && make js-deps
 RUN make js-build
-RUN make CHANNEL="release" VERSION=${ADGUARD_VER} VERBOSE=1 go-build && mv AdGuardHome /tmp/
+RUN make CHANNEL="release" VERSION=${ADGUARD} VERBOSE=1 go-build && mv AdGuardHome /tmp/
 COPY --from=upx /upx/ /usr/
 RUN upx -9 /tmp/AdGuardHome
 
-FROM ${GOLANG_IMG} AS overture
-ENV OVERTURE_VER="1.8"
-RUN wget https://github.com/shawn1m/overture/archive/refs/tags/v${OVERTURE_VER}.tar.gz && tar xf ./v${OVERTURE_VER}.tar.gz
-WORKDIR ./overture-${OVERTURE_VER}/main/
-RUN env CGO_ENABLED=0 go build -v -trimpath -ldflags "-X main.version=v${OVERTURE_VER} -s -w" && mv main /tmp/overture
+FROM ${GOLANG} AS overture
+ENV OVERTURE="1.8"
+RUN wget https://github.com/shawn1m/overture/archive/refs/tags/v${OVERTURE}.tar.gz && tar xf ./v${OVERTURE}.tar.gz
+WORKDIR ./overture-${OVERTURE}/main/
+RUN env CGO_ENABLED=0 go build -v -trimpath -ldflags "-X main.version=v${OVERTURE} -s -w" && mv main /tmp/overture
 COPY --from=upx /upx/ /usr/
 RUN upx -9 /tmp/overture
 
-FROM ${GOLANG_IMG} AS dnsproxy
-ENV DNSPROXY_VER="0.45.1"
-RUN wget https://github.com/AdguardTeam/dnsproxy/archive/refs/tags/v${DNSPROXY_VER}.tar.gz && tar xf v${DNSPROXY_VER}.tar.gz
-WORKDIR ./dnsproxy-${DNSPROXY_VER}/
-RUN env CGO_ENABLED=0 go build -v -trimpath -ldflags "-X main.VersionString=${DNSPROXY_VER} -s -w" && mv dnsproxy /tmp/
+FROM ${GOLANG} AS dnsproxy
+ENV DNSPROXY="0.45.1"
+RUN wget https://github.com/AdguardTeam/dnsproxy/archive/refs/tags/v${DNSPROXY}.tar.gz && tar xf v${DNSPROXY}.tar.gz
+WORKDIR ./dnsproxy-${DNSPROXY}/
+RUN env CGO_ENABLED=0 go build -v -trimpath -ldflags "-X main.VersionString=${DNSPROXY} -s -w" && mv dnsproxy /tmp/
 COPY --from=upx /upx/ /usr/
 RUN upx -9 /tmp/dnsproxy
 
-FROM ${GOLANG_IMG} AS toJSON
+FROM ${GOLANG} AS toJSON
 COPY ./toJSON/ /toJSON/
 WORKDIR /toJSON/
 RUN env CGO_ENABLED=0 go build -v -trimpath -ldflags "-s -w" && mv toJSON /tmp/
 COPY --from=upx /upx/ /usr/
 RUN upx -9 /tmp/toJSON
 
-FROM ${ALPINE_IMG} AS cleardns
+FROM ${ALPINE} AS cleardns
 RUN apk add build-base cmake
 COPY ./ /ClearDNS/
 WORKDIR /ClearDNS/build/
 RUN cmake -DCMAKE_BUILD_TYPE=Release .. && make && mv ../bin/cleardns /tmp/ && strip /tmp/cleardns
 
-FROM ${ALPINE_IMG} AS asset
+FROM ${ALPINE} AS build
 RUN apk add xz
-WORKDIR /asset/
+WORKDIR /release/
 RUN wget https://res.dnomd343.top/Share/cleardns/gfwlist.txt.xz && \
     wget https://res.dnomd343.top/Share/cleardns/china-ip.txt.xz && \
     wget https://res.dnomd343.top/Share/cleardns/chinalist.txt.xz && \
-    xz -d *.xz && tar cJf assets.tar.xz ./*.txt && rm *.txt
-COPY --from=dnsproxy /tmp/dnsproxy /asset/usr/bin/
-COPY --from=overture /tmp/overture /asset/usr/bin/
-COPY --from=adguard /tmp/AdGuardHome /asset/usr/bin/
-COPY --from=cleardns /tmp/cleardns /asset/usr/bin/
-COPY --from=toJSON /tmp/toJSON /asset/usr/bin/
+    xz -d *.xz && tar cJf assets.tar.xz *.txt && rm *.txt
+COPY --from=dnsproxy /tmp/dnsproxy /release/usr/bin/
+COPY --from=overture /tmp/overture /release/usr/bin/
+COPY --from=adguard /tmp/AdGuardHome /release/usr/bin/
+COPY --from=cleardns /tmp/cleardns /release/usr/bin/
+COPY --from=toJSON /tmp/toJSON /release/usr/bin/
 
-FROM ${ALPINE_IMG}
-COPY --from=asset /asset/ /
+FROM ${ALPINE}
+COPY --from=build /release/ /
 WORKDIR /cleardns/
 ENTRYPOINT ["cleardns"]