diff --git a/README.md b/README.md
index a2ea519a1..1360a64d3 100644
--- a/README.md
+++ b/README.md
@@ -19,7 +19,7 @@ USAGE:
    gopm [global options] command [command options] [arguments...]
 
 VERSION:
-   0.6.0.1209
+   0.6.0.1211
 
 COMMANDS:
    get		fetch remote package(s) and dependencies to local repository
@@ -29,11 +29,11 @@ COMMANDS:
    build	link dependencies and go build
    install	link dependencies and go install
    help, h	Shows a list of commands or help for one command
-
+   
 GLOBAL OPTIONS:
-   --noterm		disable color output
-   --version, -v	print the version
-   --help, -h		show help
+   --noterm	disable color output
+   --version	print the version
+   --help, -h	show help
 ```
 
 
diff --git a/cmd/get.go b/cmd/get.go
index cb20a36f3..009fd5049 100644
--- a/cmd/get.go
+++ b/cmd/get.go
@@ -351,7 +351,7 @@ func updateByVcs(vcs, dirPath string) error {
 			log.Error("", "\t"+err.Error())
 		}
 	case "hg":
-		stdout, stderr, err := com.ExecCmd("hg", "pull")
+		_, stderr, err := com.ExecCmd("hg", "pull")
 		if err != nil {
 			log.Error("", "Error occurs when 'hg pull'")
 			log.Error("", "\t"+err.Error())
@@ -360,7 +360,7 @@ func updateByVcs(vcs, dirPath string) error {
 			log.Error("", "Error: "+stderr)
 		}
 
-		stdout, stderr, err = com.ExecCmd("hg", "up")
+		_, stderr, err = com.ExecCmd("hg", "up")
 		if err != nil {
 			log.Error("", "Error occurs when 'hg up'")
 			log.Error("", "\t"+err.Error())