diff --git a/Dockerfile b/Dockerfile
index ce745e0..f6390e9 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-FROM alpine:3.15
+FROM alpine:3.15 as build
 COPY . /tmp/ClearDNS
 ENV OVERTURE_VERSION="v1.8"
 ENV DNSPROXY_VERSION="v0.41.3"
@@ -30,16 +30,23 @@ mv ./AdGuardHome /tmp/release/ && \
 cd /tmp/release/ && \
 strip * && upx -9 *
 
-#
-#FROM alpine as asset
-#COPY ./asset.sh /
-#RUN apk --update add --no-cache curl wget && \
-#    sh /asset.sh
-#
-#FROM alpine
-#COPY ["./overture/", "./init.sh", "/etc/overture/"]
-#COPY --from=asset /tmp/asset/ /usr/bin/
-#RUN mv /etc/overture/init.sh / && \
-#    mkdir -p /etc/cleardns && \
-#    sed -i '$i\0\t4\t*\t*\t*\t/etc/overture/update.sh' /var/spool/cron/crontabs/root
-#CMD ["sh","/init.sh"]
+FROM alpine:3.15 as asset
+COPY . /tmp/ClearDNS
+COPY --from=build /tmp/release /tmp/release
+RUN \
+wget https://res.dnomd343.top/Share/gfwlist/gfwlist.txt && \
+wget https://res.dnomd343.top/Share/chinalist/chinalist.txt && \
+wget https://res.dnomd343.top/Share/chinalist/china_ip.txt && \
+tar czf asset.tar.gz gfwlist.txt chinalist.txt china_ip.txt && \
+mkdir -p /tmp/asset/etc/ && mkdir -p /tmp/asset/usr/ && \
+cp -r /tmp/ClearDNS/overture/ /tmp/asset/etc/ && \
+mv asset.tar.gz /tmp/asset/etc/overture/ && \
+mv /tmp/release/ /tmp/asset/usr/bin/ && \
+mv /tmp/ClearDNS/load.sh /tmp/asset/usr/bin/load
+
+FROM alpine:3.15
+COPY --from=asset /tmp/asset /
+RUN apk add --no-cache ca-certificates glib && \
+echo -e "0\t4\t*\t*\t*\t/etc/overture/update.sh" > /var/spool/cron/crontabs/root
+ENTRYPOINT ['cleardns']
+CMD ['--debug']
diff --git a/init.sh b/init.sh
deleted file mode 100755
index 6baed57..0000000
--- a/init.sh
+++ /dev/null
@@ -1,32 +0,0 @@
-[ -f "/etc/cleardns/custom.sh" ] && sh /etc/cleardns/custom.sh
-
-mkdir -p /etc/cleardns/list
-mkdir -p /etc/cleardns/upstream
-mkdir -p /etc/cleardns/AdGuardHome
-
-[ ! -s "/etc/cleardns/upstream/domestic.conf" ] && echo -e "223.5.5.5\n119.29.29.29\n114.114.114.114" > /etc/cleardns/upstream/domestic.conf
-[ ! -s "/etc/cleardns/upstream/foreign.conf" ] && echo -e "8.8.4.4\n8.8.8.8" > /etc/cleardns/upstream/foreign.conf
-
-cat /etc/cleardns/upstream/domestic.conf | sed 's/^[ \t]*//g' | sed 's/[ \t]*$//g' | tr -s '\n' | sed '/^#/d' | sed '/^\/\//d' > /etc/cleardns/upstream/domestic
-cat /etc/cleardns/upstream/foreign.conf | sed 's/^[ \t]*//g' | sed 's/[ \t]*$//g' | tr -s '\n' | sed '/^#/d' | sed '/^\/\//d' > /etc/cleardns/upstream/foreign
-
-cmd="dnsproxy -p 4053"
-while read -r raw
-do
-  cmd="$cmd -u $raw"
-done < /etc/cleardns/upstream/domestic
-eval "$cmd --cache --cache-size=4194304 --all-servers > /dev/null 2>&1 &"
-
-cmd="dnsproxy -p 6053"
-while read -r raw
-do
-  cmd="$cmd -u $raw"
-done < /etc/cleardns/upstream/foreign
-eval "$cmd --cache --cache-size=4194304 --all-servers > /dev/null 2>&1 &"
-
-rm -f /etc/cleardns/upstream/domestic
-rm -f /etc/cleardns/upstream/foreign
-
-/etc/overture/update.sh
-/usr/sbin/crond
-/usr/bin/AdGuardHome -p 80 -w /etc/cleardns/AdGuardHome --no-check-update
diff --git a/load.sh b/load.sh
new file mode 100755
index 0000000..bdb0a9e
--- /dev/null
+++ b/load.sh
@@ -0,0 +1,42 @@
+#!/bin/sh
+mkdir -p /etc/cleardns/asset/
+mkdir -p /etc/cleardns/AdGuardHome/
+
+cleardns_dir="/etc/cleardns"
+overture_dir="/etc/overture"
+cd $overture_dir && tar xf asset.tar
+[ ! -f "$cleardns_dir/gfwlist.txt" ] && cp "$overture_dir/gfwlist.txt" "$cleardns_dir/gfwlist.txt"
+[ ! -f "$cleardns_dir/chinalist.txt" ] && cp "$overture_dir/chinalist.txt" "$cleardns_dir/chinalist.txt"
+[ ! -f "$cleardns_dir/china_ip.txt" ] && cp "$overture_dir/china_ip.txt" "$cleardns_dir/china_ip.txt"
+
+upstream_file="/etc/cleardns/upstream.json"
+if [ ! -f "$upstream_file" ]; then
+cat > $upstream_file << EOF
+{
+  "domestic": {
+    "bootstrap": "223.5.5.5",
+    "primary": [
+      "tls://dns.alidns.com",
+      "https://doh.pub/dns-query"
+    ],
+    "fallback": [
+      "223.5.5.5",
+      "119.29.29.29"
+    ]
+  },
+  "foreign": {
+    "bootstrap": "8.8.8.8",
+    "primary": [
+      "tls://dns.google",
+      "https://dns.cloudflare.com/dns-query"
+    ],
+    "fallback": [
+      "1.1.1.1",
+      "8.8.8.8"
+    ]
+  }
+}
+EOF
+fi
+
+/etc/overture/update.sh&
diff --git a/overture/update.sh b/overture/update.sh
index 1b3052d..7a96f49 100755
--- a/overture/update.sh
+++ b/overture/update.sh
@@ -1,3 +1,4 @@
+#!/bin/sh
 ASSET_DIR="/etc/cleardns/asset"
 [ -f "$ASSET_DIR/no_auto_update" ] && exit
 
diff --git a/src/process.c b/src/process.c
index f0fac89..a36b0ab 100644
--- a/src/process.c
+++ b/src/process.c
@@ -127,7 +127,7 @@ void get_sub_exit() { // catch child process exit
         perror("[ClearDNS] Waitpid error");
         server_exit(EXIT_WAIT_ERROR);
     } else if (ret) { // process exit
-        fprintf(stderr, "[ClearDNS] Catch subprocess detach or exit. (pid = %d)\n", ret);
+        fprintf(stderr, "[ClearDNS] Catch subprocess exit. (pid = %d)\n", ret);
         return;
     }
     fprintf(stderr, "[ClearDNS] Subprocess not found.\n"); // get SIGCHLD signal but not exited subprocess found