修改readme, 删点垃圾

Author: HessianZ

README.md

@@ -2,3 +2,5 @@ daisy-proxy
 ===========
 
 A simple proxy based on goproxy.
+
+一个基于goproxy的简单http代理，可以指定出口IP地址。

daisy-proxy.go

@@ -21,14 +21,15 @@ var (
 )
 
 func main() {
-    flag.Parse()
 
-   flag.Usage = func() {
+    flag.Usage = func() {
         fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0])
         flag.PrintDefaults()
         fmt.Fprintln(os.Stderr, "  -h   : show help usage")
     }
 
+    flag.Parse()
+
     if *ip == "" && *iface != "" {
         *ip = getIpFromInterface(*iface)
     } else {
@@ -39,6 +40,7 @@ func main() {
     if *dnsServers == "" {
         log.Fatal("DNS servers must be specified")
     }
+
     servers = strings.Split(*dnsServers, " ")
 
     r := &resolver.Resolver{Servers: servers, LocalAddr: *ip}

resolver/resolver.go

@@ -97,7 +97,7 @@ func (r *Resolver) lookup(msg *dns.Msg, client *dns.Client, server string, edns
     }
 
     if response == nil {
-        log.Fatal("EEEEEEEEEEEEEE  ", client, server, response, err)
+        err = errors.New("DNS error: no response")
     }
 
     if err != nil {