Liu Song’s Projects

diff --git a/README.md b/README.md
index f82f47750fddce17ff60fc9cf33a0849a08ebbce..fd66b05ab5c7460a134bf31782edc7d9c4666a3e 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@
 ## Install
 
 ```sh
-go install github.com/shadowsocks/go-shadowsocks2
+go get github.com/shadowsocks/go-shadowsocks2
 ```
 
 




diff --git a/main.go b/main.go
index 4553cc6cd939fa7cd0fd255e5e2915ddc6b27ecb..03e99ff45b1f2b720184fcbd12cc956b713ba3af 100644
--- a/main.go
+++ b/main.go
@@ -42,7 +42,7 @@ 		UDPTun    string
 	}
 
 	flag.BoolVar(&config.Verbose, "verbose", false, "verbose mode")
-	flag.StringVar(&flags.Cipher, "cipher", "", "cipher")
+	flag.StringVar(&flags.Cipher, "cipher", "aes-128-gcm-16", "available ciphers: "+strings.Join(listCipher(), " "))
 	flag.StringVar(&flags.Key, "key", "", "base64url-encoded key (derive from password if empty)")
 	flag.IntVar(&flags.Keygen, "keygen", 0, "generate a base64url-encoded random key of given length in byte")
 	flag.StringVar(&flags.Password, "password", "", "password")
@@ -65,15 +65,6 @@ 	}
 
 	if flags.Client == "" && flags.Server == "" {
 		flag.Usage()
-		return
-	}
-
-	if flags.Cipher == "" {
-		ls := listCipher()
-		fmt.Fprintf(os.Stderr, "# available ciphers\n")
-		for _, each := range ls {
-			fmt.Fprintf(os.Stderr, "%s\n", each)
-		}
 		return
 	}