diff --git a/Gopkg.lock b/Gopkg.lock
index 3d0012f..69e9e82 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -30,7 +30,7 @@
     "net/mux",
     "pool"
   ]
-  revision = "354693cdd7fd9fa4f207c2f91ec2534615d3e5e5"
+  revision = "674e937d2ef03e9ef7798c363071cad128f3c13b"
 
 [[projects]]
   branch = "frp"
@@ -99,8 +99,8 @@
 [[projects]]
   name = "github.com/spf13/cobra"
   packages = ["."]
-  revision = "a1f051bc3eba734da4772d60e2d677f47cf93ef4"
-  version = "v0.0.2"
+  revision = "ef82de70bb3f60c65fb8eebacbb2d122ef517385"
+  version = "v0.0.3"
 
 [[projects]]
   name = "github.com/spf13/pflag"
@@ -169,11 +169,11 @@
     "ipv4",
     "proxy"
   ]
-  revision = "d11bb6cd8e3c4e60239c9cb20ef68586d74500d0"
+  revision = "57065200b4b034a1c8ad54ff77069408c2218ae6"
 
 [solve-meta]
   analyzer-name = "dep"
   analyzer-version = 1
-  inputs-digest = "62cd3fc531e189e2459de46ff5f84b935c734a3032f0f78c4ed4b3e9434ba9ad"
+  inputs-digest = "621310de53a9243693d20ce53690f373fd558440616fcf2893fec5ba4aa2b6ca"
   solver-name = "gps-cdcl"
   solver-version = 1
diff --git a/Gopkg.toml b/Gopkg.toml
index fce7ac9..fb6da23 100644
--- a/Gopkg.toml
+++ b/Gopkg.toml
@@ -63,12 +63,16 @@
 
 [[constraint]]
   name = "github.com/spf13/cobra"
-  version = "0.0.2"
+  version = "0.0.3"
 
 [[constraint]]
   name = "github.com/vaughan0/go-ini"
   revision = "a98ad7ee00ec53921f08832bc06ecf7fd600e6a1"
 
+[[override]]
+  name = "github.com/templexxx/reedsolomon"
+  version = "0.1.1"
+
 [prune]
   go-tests = true
   unused-packages = true
diff --git a/vendor/github.com/fatedier/golib/msg/json/process.go b/vendor/github.com/fatedier/golib/msg/json/process.go
index f2a22e5..5c66c18 100644
--- a/vendor/github.com/fatedier/golib/msg/json/process.go
+++ b/vendor/github.com/fatedier/golib/msg/json/process.go
@@ -23,6 +23,7 @@ import (
 var (
 	ErrMsgType      = errors.New("message type error")
 	ErrMaxMsgLength = errors.New("message length exceed the limit")
+	ErrMsgLength    = errors.New("message length error")
 	ErrMsgFormat    = errors.New("message format error")
 )
 
@@ -46,6 +47,9 @@ func (msgCtl *MsgCtl) readMsg(c io.Reader) (typeByte byte, buffer []byte, err er
 	if length > msgCtl.maxMsgLength {
 		err = ErrMaxMsgLength
 		return
+	} else if length < 0 {
+		err = ErrMsgLength
+		return
 	}
 
 	buffer = make([]byte, length)
diff --git a/vendor/github.com/spf13/cobra/bash_completions.go b/vendor/github.com/spf13/cobra/bash_completions.go
index 291eae7..8fa8f48 100644
--- a/vendor/github.com/spf13/cobra/bash_completions.go
+++ b/vendor/github.com/spf13/cobra/bash_completions.go
@@ -251,6 +251,14 @@ __%[1]s_handle_word()
         __%[1]s_handle_command
     elif [[ $c -eq 0 ]]; then
         __%[1]s_handle_command
+    elif __%[1]s_contains_word "${words[c]}" "${command_aliases[@]}"; then
+        # aliashash variable is an associative array which is only supported in bash > 3.
+        if [[ -z "${BASH_VERSION}" || "${BASH_VERSINFO[0]}" -gt 3 ]]; then
+            words[c]=${aliashash[${words[c]}]}
+            __%[1]s_handle_command
+        else
+            __%[1]s_handle_noun
+        fi
     else
         __%[1]s_handle_noun
     fi
@@ -266,6 +274,7 @@ func writePostscript(buf *bytes.Buffer, name string) {
 	buf.WriteString(fmt.Sprintf(`{
     local cur prev words cword
     declare -A flaghash 2>/dev/null || :
+    declare -A aliashash 2>/dev/null || :
     if declare -F _init_completion >/dev/null 2>&1; then
         _init_completion -s || return
     else
@@ -305,6 +314,7 @@ func writeCommands(buf *bytes.Buffer, cmd *Command) {
 			continue
 		}
 		buf.WriteString(fmt.Sprintf("    commands+=(%q)\n", c.Name()))
+		writeCmdAliases(buf, c)
 	}
 	buf.WriteString("\n")
 }
@@ -443,6 +453,21 @@ func writeRequiredNouns(buf *bytes.Buffer, cmd *Command) {
 	}
 }
 
+func writeCmdAliases(buf *bytes.Buffer, cmd *Command) {
+	if len(cmd.Aliases) == 0 {
+		return
+	}
+
+	sort.Sort(sort.StringSlice(cmd.Aliases))
+
+	buf.WriteString(fmt.Sprint(`    if [[ -z "${BASH_VERSION}" || "${BASH_VERSINFO[0]}" -gt 3 ]]; then`, "\n"))
+	for _, value := range cmd.Aliases {
+		buf.WriteString(fmt.Sprintf("        command_aliases+=(%q)\n", value))
+		buf.WriteString(fmt.Sprintf("        aliashash[%q]=%q\n", value, cmd.Name()))
+	}
+	buf.WriteString(`    fi`)
+	buf.WriteString("\n")
+}
 func writeArgAliases(buf *bytes.Buffer, cmd *Command) {
 	buf.WriteString("    noun_aliases=()\n")
 	sort.Sort(sort.StringSlice(cmd.ArgAliases))
@@ -469,6 +494,10 @@ func gen(buf *bytes.Buffer, cmd *Command) {
 	}
 
 	buf.WriteString(fmt.Sprintf("    last_command=%q\n", commandName))
+	buf.WriteString("\n")
+	buf.WriteString("    command_aliases=()\n")
+	buf.WriteString("\n")
+
 	writeCommands(buf, cmd)
 	writeFlags(buf, cmd)
 	writeRequiredFlag(buf, cmd)
diff --git a/vendor/github.com/spf13/cobra/bash_completions.md b/vendor/github.com/spf13/cobra/bash_completions.md
index 8d01f45..e79d476 100644
--- a/vendor/github.com/spf13/cobra/bash_completions.md
+++ b/vendor/github.com/spf13/cobra/bash_completions.md
@@ -181,7 +181,7 @@ a custom flag completion function with cobra.BashCompCustom:
 
 ```go
 	annotation := make(map[string][]string)
-	annotation[cobra.BashCompFilenameExt] = []string{"__kubectl_get_namespaces"}
+	annotation[cobra.BashCompCustom] = []string{"__kubectl_get_namespaces"}
 
 	flag := &pflag.Flag{
 		Name:        "namespace",
diff --git a/vendor/github.com/spf13/cobra/command.go b/vendor/github.com/spf13/cobra/command.go
index 15b8112..34d1bf3 100644
--- a/vendor/github.com/spf13/cobra/command.go
+++ b/vendor/github.com/spf13/cobra/command.go
@@ -27,6 +27,9 @@ import (
 	flag "github.com/spf13/pflag"
 )
 
+// FParseErrWhitelist configures Flag parse errors to be ignored
+type FParseErrWhitelist flag.ParseErrorsWhitelist
+
 // Command is just that, a command for your application.
 // E.g.  'go run ...' - 'run' is the command. Cobra requires
 // you to define the usage and description as part of your command
@@ -137,6 +140,9 @@ type Command struct {
 	// TraverseChildren parses flags on all parents before executing child command.
 	TraverseChildren bool
 
+	//FParseErrWhitelist flag parse errors to be ignored
+	FParseErrWhitelist FParseErrWhitelist
+
 	// commands is the list of commands supported by this program.
 	commands []*Command
 	// parent is a parent command for this command.
@@ -1463,6 +1469,10 @@ func (c *Command) ParseFlags(args []string) error {
 	}
 	beforeErrorBufLen := c.flagErrorBuf.Len()
 	c.mergePersistentFlags()
+
+	//do it here after merging all flags and just before parse
+	c.Flags().ParseErrorsWhitelist = flag.ParseErrorsWhitelist(c.FParseErrWhitelist)
+
 	err := c.Flags().Parse(args)
 	// Print warnings if they occurred (e.g. deprecated flag messages).
 	if c.flagErrorBuf.Len()-beforeErrorBufLen > 0 && err == nil {
diff --git a/vendor/golang.org/x/net/ipv4/header.go b/vendor/golang.org/x/net/ipv4/header.go
index 8bb0f0f..c8822a6 100644
--- a/vendor/golang.org/x/net/ipv4/header.go
+++ b/vendor/golang.org/x/net/ipv4/header.go
@@ -98,7 +98,7 @@ func (h *Header) Marshal() ([]byte, error) {
 	return b, nil
 }
 
-// Parse parses b as an IPv4 header and sotres the result in h.
+// Parse parses b as an IPv4 header and stores the result in h.
 func (h *Header) Parse(b []byte) error {
 	if h == nil || len(b) < HeaderLen {
 		return errHeaderTooShort