diff --git a/base/ssh/ssh.go b/base/ssh/ssh.go
index d56905ff..20f97b3f 100644
--- a/base/ssh/ssh.go
+++ b/base/ssh/ssh.go
@@ -175,8 +175,10 @@ func (f *Frame) change(m *ice.Message, ls []string) []string {
 func (f *Frame) alias(m *ice.Message, ls []string) []string {
 	// 命令替换
 	if alias, ok := m.Optionv(ice.MSG_ALIAS).(map[string]interface{}); ok {
-		if a := kit.Simple(alias[ls[0]]); len(a) > 0 {
-			ls = append(append([]string{}, a...), ls[1:]...)
+		if len(ls) > 0 {
+			if a := kit.Simple(alias[ls[0]]); len(a) > 0 {
+				ls = append(append([]string{}, a...), ls[1:]...)
+			}
 		}
 	}
 	return ls
diff --git a/base/tcp/tcp.go b/base/tcp/tcp.go
index b0ccff65..e6df76ce 100644
--- a/base/tcp/tcp.go
+++ b/base/tcp/tcp.go
@@ -1,10 +1,10 @@
 package tcp
 
 import (
-	"github.com/shylinux/icebergs"
+	ice "github.com/shylinux/icebergs"
 	"github.com/shylinux/icebergs/base/aaa"
 	"github.com/shylinux/icebergs/base/cli"
-	"github.com/shylinux/toolkits"
+	kit "github.com/shylinux/toolkits"
 
 	"bufio"
 	"net"
@@ -15,8 +15,8 @@ import (
 func _port_list(m *ice.Message) string {
 	return ""
 }
-func _port_get(m *ice.Message) string {
-	current := kit.Int(m.Conf(PORT, "meta.current"))
+func _port_get(m *ice.Message, begin string) string {
+	current := kit.Int(kit.Select(m.Conf(PORT, "meta.current"), begin))
 	end := kit.Int(m.Conf(PORT, "meta.end"))
 	if current >= end {
 		current = kit.Int(m.Conf(PORT, "meta.begin"))
@@ -109,7 +109,10 @@ var Index = &ice.Context{Name: "tcp", Help: "通信模块",
 		}},
 		PORT: {Name: "port", Help: "端口", Action: map[string]*ice.Action{
 			"get": {Name: "get", Help: "分配端口", Hand: func(m *ice.Message, arg ...string) {
-				m.Echo(_port_get(m))
+				m.Echo(_port_get(m, ""))
+			}},
+			"select": {Name: "select [begin]", Help: "分配端口", Hand: func(m *ice.Message, arg ...string) {
+				m.Echo(_port_get(m, kit.Select("", arg, 0)))
 			}},
 		}, Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
 			_port_list(m)
diff --git a/core/wiki/word.go b/core/wiki/word.go
index d50dcec5..bdc07cfe 100644
--- a/core/wiki/word.go
+++ b/core/wiki/word.go
@@ -315,7 +315,13 @@ func init() {
 			TITLE: {Name: TITLE, Help: "标题", Value: kit.Data("template", title)},
 			BRIEF: {Name: BRIEF, Help: "摘要", Value: kit.Data("template", brief)},
 			REFER: {Name: REFER, Help: "参考", Value: kit.Data("template", refer)},
-			SPARK: {Name: SPARK, Help: "段落", Value: kit.Data("template", spark)},
+			SPARK: {Name: SPARK, Help: "段落", Value: kit.Data(
+				"template", spark,
+				"prompt", kit.Dict(
+					"shell", "$ ",
+					"mysql", "mysql> ",
+				),
+			)},
 
 			CHART: {Name: CHART, Help: "图表", Value: kit.Data("template", chart, "suffix", `</svg>`)},
 			FIELD: {Name: FIELD, Help: "插件", Value: kit.Data("template", field)},
@@ -373,12 +379,13 @@ func init() {
 				if len(arg) == 1 {
 					arg = []string{"", arg[0]}
 				}
-				if arg[0] == "shell" {
+				switch arg[0] {
+				case "shell", "mysql":
 					arg[1] = strings.TrimSpace(arg[1])
-					m.Echo(`<div class="story" data-type="spark" data-name="shell" data-text="%s">`, arg[1])
+					m.Echo(`<div class="story" data-type="spark" data-name="%s" data-text="%s">`, arg[0], arg[1])
 					for _, l := range strings.Split(arg[1], "\n") {
 						m.Echo("<div>")
-						m.Echo("$ ")
+						m.Echo(kit.Select("$ ", m.Conf(SPARK, kit.Keys("meta.prompt", arg[0]))))
 						m.Echo("<span>")
 						m.Echo(l)
 						m.Echo("</span>")