diff --git a/README.md b/README.md
index f7ec473..d442910 100644
--- a/README.md
+++ b/README.md
@@ -54,7 +54,7 @@ we can set up local listeners as proxy servers, and forward requests to internet
 |ssh          | | |√| |client only
 |trojan       | | |√|√|client only
 |vmess        | | |√| |client only
-|vless        | | |√| |client only
+|vless        | | |√|√|client only
 |redir        |√| | | |linux only
 |redir6        |√| | | |linux only(ipv6)
 |tls          |√| |√| |transport client & server
@@ -303,7 +303,7 @@ Examples:
 
 Services:
   dhcpd: service=dhcpd,INTERFACE,START_IP,END_IP
-    e.g.,service=dhcpd,en0,192.168.254.100,192.168.254.199
+    e.g.,service=dhcpd,en0,192.168.50.100,192.168.50.199
 ```
 
 </details>
@@ -328,6 +328,39 @@ glider -config CONFIGPATH -listen :8080 -verbose
   - [transparent proxy with dnsmasq](config/examples/8.transparent_proxy_with_dnsmasq)
   - [transparent proxy without dnsmasq](config/examples/9.transparent_proxy_without_dnsmasq)
 
+## Service
+
+- dhcpd: 
+  - service=dhcpd,INTERFACE,START_IP,END_IP
+  - e.g., service=dhcpd,en0,192.168.50.100,192.168.50.199
+
+## Linux Service
+
+- systemd: [https://github.com/nadoo/glider/blob/master/systemd/](https://github.com/nadoo/glider/blob/master/systemd/)
+
+## Customize Build
+
+<details><summary>You can customize and build glider if you want a smaller binary (click to see details)</summary>
+
+
+1. Clone the source code:
+  ```bash
+  git clone https://github.com/nadoo/glider
+  ```
+2. Customize features:
+
+  ```bash
+  open `feature.go` & `feature_linux.go`, comment out the packages you don't need
+  // _ "github.com/nadoo/glider/proxy/kcp"
+  ```
+
+3. Build it(requires **Go 1.15+** )
+  ```bash
+  cd glider && go build -v -i -ldflags "-s -w"
+  ```
+
+  </details>
+
 ## Proxy & Protocol Chains
 <details><summary>In glider, you can easily chain several proxy servers or protocols together (click to see details)</summary>
 
@@ -363,38 +396,6 @@ glider -config CONFIGPATH -listen :8080 -verbose
 
 </details>
 
-## Service
-
-**Scheme:** ```service=SERVICE_NAME[,SERVICE_CONFIG]```
-
-- dhcpd: 
-  - service=dhcpd,INTERFACE,START_IP,END_IP
-  - e.g., service=dhcpd,en0,192.168.254.100,192.168.254.199
-
-## Linux Service
-
-- systemd: [https://github.com/nadoo/glider/blob/master/systemd/](https://github.com/nadoo/glider/blob/master/systemd/)
-
-## Customize Build
-
-You can customize and build glider if you want a smaller binary.
-
-1. Clone the source code:
-  ```bash
-  git clone https://github.com/nadoo/glider
-  ```
-2. Customize features:
-
-  ```bash
-  open `feature.go` & `feature_linux.go`, comment out the packages you don't need
-  // _ "github.com/nadoo/glider/proxy/kcp"
-  ```
-
-3. Build it(requires **Go 1.15+** )
-  ```bash
-  cd glider && go build
-  ```
-
 ## Links
 
 - [ipset](https://github.com/nadoo/ipset): netlink ipset package for Go.
diff --git a/config.go b/config.go
index a29171f..a66e10b 100644
--- a/config.go
+++ b/config.go
@@ -316,6 +316,6 @@ func usage() {
 
 	fmt.Fprintf(w, "Services:\n")
 	fmt.Fprintf(w, "  dhcpd: service=dhcpd,INTERFACE,START_IP,END_IP\n")
-	fmt.Fprintf(w, "    e.g.,service=dhcpd,en0,192.168.254.100,192.168.254.199\n")
+	fmt.Fprintf(w, "    e.g.,service=dhcpd,en0,192.168.50.100,192.168.50.199\n")
 	fmt.Fprintf(w, "\n")
 }
diff --git a/config/glider.conf.example b/config/glider.conf.example
index 16e7de0..fff5acc 100644
--- a/config/glider.conf.example
+++ b/config/glider.conf.example
@@ -215,6 +215,11 @@ dnsminttl=0
 dnsrecord=www.example.com/1.2.3.4
 dnsrecord=www.example.com/2606:2800:220:1:248:1893:25c8:1946
 
+# SERVICES
+# service=dhcpd,INTERFACE,START_IP,END_IP
+# e.g.:
+# service=dhcpd,en0,192.168.50.100,192.168.50.199
+
 # INTERFACE SPECIFIC
 # ------------------
 # Specify the outbound ip/interface.