diff --git a/net-misc/aliyundrive-webdav/aliyundrive-webdav-2.1.0.ebuild b/net-misc/aliyundrive-webdav/aliyundrive-webdav-2.1.0-r1.ebuild
similarity index 92%
rename from net-misc/aliyundrive-webdav/aliyundrive-webdav-2.1.0.ebuild
rename to net-misc/aliyundrive-webdav/aliyundrive-webdav-2.1.0-r1.ebuild
index 4dceca65c..6dc56a686 100644
--- a/net-misc/aliyundrive-webdav/aliyundrive-webdav-2.1.0.ebuild
+++ b/net-misc/aliyundrive-webdav/aliyundrive-webdav-2.1.0-r1.ebuild
@@ -290,7 +290,13 @@ CRATES="
 	zip-0.6.4
 "
 
-inherit cargo systemd
+inherit cargo systemd readme.gentoo-r1
+
+DOC_CONTENTS="After install, please copy
+/etc/aliyundrive-webdav/aliyundrive-webdav.env.example
+to /etc/aliyundrive-webdav/aliyundrive-webdav.env
+to set REFRESH_TOKEN, WEBDAV_AUTH_USER, WEBDAV_AUTH_PASSWORD etc.
+You can change ALIYUNDRIVE_WEBDAV_FLAGS to add more flags for aliyundrive-webdav"
 
 DESCRIPTION="WebDAV server for AliyunDrive"
 # Double check the homepage as the cargo_metadata crate
@@ -316,5 +322,12 @@ QA_FLAGS_IGNORED="usr/bin/${PN}"
 src_install()
 {
 	cargo_src_install
-	systemd_newunit systemd.service aliyundrive-webdav.service
+	systemd_dounit "${FILESDIR}/${PN}.service"
+	insinto "/etc/${PN}"
+	doins "${FILESDIR}/${PN}.env.example"
+	readme.gentoo_create_doc
+}
+
+pkg_postinst() {
+	elog "${DOC_CONTENTS}"
 }
diff --git a/net-misc/aliyundrive-webdav/files/aliyundrive-webdav.env.example b/net-misc/aliyundrive-webdav/files/aliyundrive-webdav.env.example
new file mode 100644
index 000000000..215084889
--- /dev/null
+++ b/net-misc/aliyundrive-webdav/files/aliyundrive-webdav.env.example
@@ -0,0 +1,34 @@
+#### aliyundrive-webdav env file
+
+## HOST: Listen host [default: 0.0.0.0]
+#HOST=0.0.0.0
+
+## PORT: Listen port [default: 8080]
+#PORT=8080
+
+## CLIENT_ID:   Aliyun drive client_id
+#CLIENT_ID=
+
+## CLIENT_SECRET: Aliyun drive client_secret
+#CLIENT_SECRET=
+
+## REFRESH_TOKEN: Aliyun drive refresh token
+#REFRESH_TOKEN=
+
+## WEBDAV_AUTH_USER: WebDAV authentication username
+#WEBDAV_AUTH_USER=
+
+## WEBDAV_AUTH_PASSWORD: WebDAV authentication password
+#WEBDAV_AUTH_PASSWORD=
+
+## TLS_CERT: TLS certificate file path
+#TLS_CERT=
+
+## TLS_KEY: TLS private key file path
+#TLS_KEY=
+
+## WEBDAV_STRIP_PREFIX: Prefix to be stripped off when handling request
+#WEBDAV_STRIP_PREFIX=
+
+## ALIYUNDRIVE_WEBDAV_FLAGS: Allow users to override command-line options
+#ALIYUNDRIVE_WEBDAV_FLAGS=
diff --git a/net-misc/aliyundrive-webdav/files/aliyundrive-webdav.service b/net-misc/aliyundrive-webdav/files/aliyundrive-webdav.service
new file mode 100644
index 000000000..0347de294
--- /dev/null
+++ b/net-misc/aliyundrive-webdav/files/aliyundrive-webdav.service
@@ -0,0 +1,13 @@
+[Unit]
+Description=AliyunDrive WebDAV
+After=network.target
+
+[Service]
+EnvironmentFile=/etc/aliyundrive-webdav/aliyundrive-webdav.env
+Type=simple
+ExecStart=/usr/bin/aliyundrive-webdav --auto-index -w /var/aliyundrive-webdav $ALIYUNDRIVE_WEBDAV_FLAGS
+KillMode=process
+Restart=on-failure
+
+[Install]
+WantedBy=multi-user.target