diff --git a/base/mdb/mdb.go b/base/mdb/mdb.go
index f4b96be5..e4d5bee2 100644
--- a/base/mdb/mdb.go
+++ b/base/mdb/mdb.go
@@ -208,6 +208,9 @@ var Index = &ice.Context{Name: MDB, Help: "数据模块", Commands: map[string]*
 		}
 	}},
 	EXPORT: {Name: "export key sub type file", Help: "导出", Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
+		if m.Option(ice.CACHE_LIMIT) == "" {
+			m.Option(ice.CACHE_LIMIT, "-1")
+		}
 		switch file := _file_name(m, arg...); arg[2] {
 		case ZONE:
 			_zone_export(m, arg[0], _domain_chain(m, arg[1]), file)
diff --git a/core/chat/website.go b/core/chat/website.go
index cd9e509f..2c379420 100644
--- a/core/chat/website.go
+++ b/core/chat/website.go
@@ -36,6 +36,8 @@ func _website_parse(m *ice.Message, text string, args ...string) (map[string]int
 	), kit.Dict(), kit.Dict()
 	prefix := ""
 
+	nriver := 0
+	nstorm := 0
 	m.Cmd(lex.SPLIT, "", mdb.KEY, mdb.NAME, func(deep int, ls []string, meta map[string]interface{}) []string {
 		if deep == 1 {
 			switch ls[0] {
@@ -126,9 +128,18 @@ func _website_parse(m *ice.Message, text string, args ...string) (map[string]int
 
 		switch deep {
 		case 1:
+			nriver++
+			nstorm = 0
 			storm = kit.Dict()
+			if ls[0] == "auto" {
+				ls[0] = kit.Format(nriver)
+			}
 			river[ls[0]] = kit.Dict(mdb.NAME, ls[1], STORM, storm, data, "order", len(river))
 		case 2:
+			nstorm++
+			if ls[0] == "auto" {
+				ls[0] = kit.Format(nstorm)
+			}
 			last = kit.Dict(mdb.NAME, ls[1], mdb.LIST, kit.List(), data, "order", len(storm))
 			storm[ls[0]] = last
 			prefix = ""
diff --git a/core/wiki/image.go b/core/wiki/image.go
index bd35b914..92bbec07 100644
--- a/core/wiki/image.go
+++ b/core/wiki/image.go
@@ -9,8 +9,8 @@ import (
 	kit "shylinux.com/x/toolkits"
 )
 
-func _image_show(m *ice.Message, text string, arg ...string) {
-	_wiki_template(m, IMAGE, "", _wiki_link(m, IMAGE, text), arg...)
+func _image_show(m *ice.Message, text string) {
+	_wiki_template(m, IMAGE, "", _wiki_link(m, IMAGE, text))
 }
 
 const (
@@ -23,7 +23,7 @@ const IMAGE = "image"
 
 func init() {
 	Index.Merge(&ice.Context{Commands: map[string]*ice.Command{
-		IMAGE: {Name: "image url", Help: "图片", Action: map[string]*ice.Action{
+		IMAGE: {Name: "image url height auto", Help: "图片", Action: map[string]*ice.Action{
 			ice.CTX_INIT: {Hand: func(m *ice.Message, arg ...string) {
 				m.Cmd(mdb.RENDER, mdb.CREATE, PNG, m.PrefixKey())
 			}},
@@ -31,11 +31,15 @@ func init() {
 				_image_show(m, path.Join(arg[2], arg[1]))
 			}},
 		}, Hand: func(m *ice.Message, c *ice.Context, cmd string, arg ...string) {
-			_image_show(m, arg[0], arg[1:]...)
+			if len(arg) == 0 {
+				return
+			}
+			m.Option("height", kit.Select("", arg, 1))
+			_image_show(m, arg[0])
 		}},
 	}, Configs: map[string]*ice.Config{
 		IMAGE: {Name: IMAGE, Help: "图片", Value: kit.Data(
-			nfs.TEMPLATE, `<img {{.OptionTemplate}} title="{{.Option "text"}}" src="{{.Option "text"}}">`,
+			nfs.TEMPLATE, `<img {{.OptionTemplate}} title="{{.Option "text"}}" src="{{.Option "text"}}" height="{{.Option "height"}}">`,
 			nfs.PATH, ice.USR_LOCAL_IMAGE,
 		)},
 	}})