diff --git a/README.md b/README.md
index 32978f0..9c8f968 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ General:
 
 - Http and socks5 on the same port
 - Forward chain
-- HA or RR strategy for multiple forwarders
+- RR/HA/LHA strategy for multiple forwarders
 - Periodical proxy checking
 - Rule proxy based on destinations: [Config Examples](config/examples)
 
@@ -109,7 +109,7 @@ glider -config CONFIGPATH -listen :8080 -verbose
 ## Usage
 
 ```bash
-glider v0.6.6 usage:
+glider v0.6.7 usage:
   -checkduration int
         proxy check interval(seconds) (default 30)
   -checkwebsite string
@@ -134,6 +134,8 @@ glider v0.6.6 usage:
         ipset name
   -listen value
         listen url, format: SCHEME://[USER|METHOD:PASSWORD@][HOST]:PORT?PARAMS
+  -maxfailures int
+        max failures to change forwarder status to disabled (default 3)
   -rulefile value
         rule file path
   -rules-dir string
@@ -211,6 +213,14 @@ DNS forwarding server:
 Available forward strategies:
   rr: Round Robin mode
   ha: High Availability mode
+  lha: Latency based High Availability mode
+
+Forwarder option scheme: FORWARD_URL[#OPTIONS]
+  Available options for forwarders:
+    priority: set the priority of that forwarder, default:0
+  Examples:
+    socks5://1.1.1.1:1080#priority=100
+    vmess://[security:]uuid@host:port?alterID=num#priority=200
 
 Config file format(see `glider.conf.example` as an example):
   # COMMENT LINE
diff --git a/conf.go b/conf.go
index 0f1ac4b..baed0a1 100644
--- a/conf.go
+++ b/conf.go
@@ -188,6 +188,15 @@ func usage() {
 	fmt.Fprintf(os.Stderr, "Available forward strategies:\n")
 	fmt.Fprintf(os.Stderr, "  rr: Round Robin mode\n")
 	fmt.Fprintf(os.Stderr, "  ha: High Availability mode\n")
+	fmt.Fprintf(os.Stderr, "  lha: Latency based High Availability mode\n")
+	fmt.Fprintf(os.Stderr, "\n")
+
+	fmt.Fprintf(os.Stderr, "Forwarder option scheme: FORWARD_URL[#OPTIONS]\n")
+	fmt.Fprintf(os.Stderr, "  Available options for forwarders:\n")
+	fmt.Fprintf(os.Stderr, "    priority: set the priority of that forwarder, default:0\n")
+	fmt.Fprintf(os.Stderr, "  Examples:\n")
+	fmt.Fprintf(os.Stderr, "    socks5://1.1.1.1:1080#priority=100\n")
+	fmt.Fprintf(os.Stderr, "    vmess://[security:]uuid@host:port?alterID=num#priority=200\n")
 	fmt.Fprintf(os.Stderr, "\n")
 
 	fmt.Fprintf(os.Stderr, "Config file format(see `"+app+".conf.example` as an example):\n")
diff --git a/config/glider.conf.example b/config/glider.conf.example
index c76024b..5717de7 100644
--- a/config/glider.conf.example
+++ b/config/glider.conf.example
@@ -58,10 +58,14 @@ listen=socks5://:1080
 # FORWARDERS
 # ----------
 # Forwarders, we can setup multiple forwarders.
+# forward=SCHEME#OPTIONS
 
 # Socks5 proxy as forwarder
 # forward=socks5://192.168.1.10:1080
 
+# Socks5 proxy as forwarder with priority 100
+# forward=socks5://192.168.1.10:1080#priority=100
+
 # SS proxy as forwarder
 # forward=ss://method:pass@1.1.1.1:8443
 
diff --git a/strategy/strategy.go b/strategy/strategy.go
index 52ecabe..fa22028 100644
--- a/strategy/strategy.go
+++ b/strategy/strategy.go
@@ -235,9 +235,9 @@ func (ha *haDialer) DialUDP(network, addr string) (pc net.PacketConn, writeTo ne
 	return d.DialUDP(network, addr)
 }
 
-// high availability forwarder
+// latency based high availability forwarder
 // 1. choose dialer whose priority is the highest
-// 2. choose dialer whose letency it the lowest
+// 2. choose dialer with the lowest latency
 type lhaDialer struct {
 	*rrDialer
 }