diff --git a/Makefile b/Makefile
new file mode 100644
index 00000000..56dbf4da
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,8 @@
+
+BENCH=src/example/bench.go
+
+install:
+	go install $(BENCH)
+
+build:
+	go build $(BENCH)
diff --git a/src/contexts/mdb/mdb.go b/src/contexts/mdb/mdb.go
index 693df84c..eced0f23 100644
--- a/src/contexts/mdb/mdb.go
+++ b/src/contexts/mdb/mdb.go
@@ -1,7 +1,8 @@
-package mdb
-
-import (
+package mdb // {{{
+// }}}
+import ( // {{{
 	"contexts"
+	"strings"
 
 	"database/sql"
 	_ "github.com/go-sql-driver/mysql"
@@ -9,12 +10,17 @@ import (
 	"fmt"
 )
 
+// }}}
+
 type MDB struct {
 	*sql.DB
+
+	list     map[string][]string
+	list_key []string
 	*ctx.Context
 }
 
-func (mdb *MDB) Spawn(m *ctx.Message, c *ctx.Context, arg ...string) ctx.Server {
+func (mdb *MDB) Spawn(m *ctx.Message, c *ctx.Context, arg ...string) ctx.Server { // {{{
 	c.Caches = map[string]*ctx.Cache{
 		"source": &ctx.Cache{Name: "数据库参数", Value: "", Help: "数据库参数"},
 		"driver": &ctx.Cache{Name: "数据库驱动", Value: "", Help: "数据库驱动"},
@@ -26,14 +32,17 @@ func (mdb *MDB) Spawn(m *ctx.Message, c *ctx.Context, arg ...string) ctx.Server
 	return s
 }
 
-func (mdb *MDB) Begin(m *ctx.Message, arg ...string) ctx.Server {
+// }}}
+func (mdb *MDB) Begin(m *ctx.Message, arg ...string) ctx.Server { // {{{
+	mdb.Context.Master(nil)
 	if mdb.Context == Index {
 		Pulse = m
 	}
 	return mdb
 }
 
-func (mdb *MDB) Start(m *ctx.Message, arg ...string) bool {
+// }}}
+func (mdb *MDB) Start(m *ctx.Message, arg ...string) bool { // {{{
 	if len(arg) > 0 {
 		m.Cap("source", arg[0])
 	}
@@ -54,7 +63,8 @@ func (mdb *MDB) Start(m *ctx.Message, arg ...string) bool {
 	return false
 }
 
-func (mdb *MDB) Close(m *ctx.Message, arg ...string) bool {
+// }}}
+func (mdb *MDB) Close(m *ctx.Message, arg ...string) bool { // {{{
 	switch mdb.Context {
 	case m.Target():
 		if mdb.DB != nil {
@@ -67,9 +77,12 @@ func (mdb *MDB) Close(m *ctx.Message, arg ...string) bool {
 	return true
 }
 
+// }}}
+
 var Pulse *ctx.Message
 var Index = &ctx.Context{Name: "mdb", Help: "数据中心",
 	Caches: map[string]*ctx.Cache{
+		"count":   &ctx.Cache{Name: "count", Value: "0", Help: "主机协议"},
 		"nsource": &ctx.Cache{Name: "数据源数量", Value: "0", Help: "已打开数据库的数量"},
 	},
 	Configs: map[string]*ctx.Config{
@@ -77,15 +90,16 @@ var Index = &ctx.Context{Name: "mdb", Help: "数据中心",
 	},
 	Commands: map[string]*ctx.Command{
 		"open": &ctx.Command{Name: "open source [driver]", Help: "打开数据库", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-			m.Assert(len(arg) > 0, "缺少参数")
+			m.Assert(len(arg) > 0, "缺少参数") // {{{
 			m.Start(fmt.Sprintf("db%d", Pulse.Capi("nsource", 1)), "数据存储", arg...)
 			Pulse.Cap("stream", Pulse.Cap("nsource"))
 			m.Echo(m.Target().Name)
+			// }}}
 		}},
 		"exec": &ctx.Command{Name: "exec sql [arg]", Help: "操作数据库",
 			Appends: map[string]string{"last": "最后插入元组的标识", "nrow": "修改元组的数量"},
 			Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-				mdb, ok := m.Target().Server.(*MDB)
+				mdb, ok := m.Target().Server.(*MDB) // {{{
 				m.Assert(ok, "目标模块类型错误")
 				m.Assert(len(arg) > 0, "缺少参数")
 				m.Assert(mdb.DB != nil, "数据库未打开")
@@ -106,9 +120,10 @@ var Index = &ctx.Context{Name: "mdb", Help: "数据中心",
 				m.Add("append", "last", fmt.Sprintf("%d", id))
 				m.Add("append", "nrow", fmt.Sprintf("%d", n))
 				m.Log("info", nil, "last(%d) nrow(%d)", id, n)
+				// }}}
 			}},
 		"query": &ctx.Command{Name: "query sql [arg]", Help: "执行查询语句", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-			mdb, ok := m.Target().Server.(*MDB)
+			mdb, ok := m.Target().Server.(*MDB) // {{{
 			m.Assert(ok, "目标模块类型错误")
 			m.Assert(len(arg) > 0, "缺少参数")
 			m.Assert(mdb.DB != nil, "数据库未打开")
@@ -151,6 +166,81 @@ var Index = &ctx.Context{Name: "mdb", Help: "数据中心",
 			} else {
 				m.Log("info", nil, "rows(0) cols(0)")
 			}
+			// }}}
+		}},
+		"table": &ctx.Command{Name: "table", Help: "执行查询语句", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
+			msg := m.Spawn(m.Target()) // {{{
+			if len(arg) > 0 {
+				msg.Cmd("query", fmt.Sprintf("desc %s", arg[0]))
+				if len(arg) > 1 {
+					for i, v := range msg.Meta[msg.Meta["append"][0]] {
+						if v == arg[1] {
+							for _, k := range msg.Meta["append"] {
+								m.Echo("%s: %s\n", k, msg.Meta[k][i])
+							}
+						}
+					}
+				} else {
+					for _, v := range msg.Meta[msg.Meta["append"][0]] {
+						m.Echo("%s\n", v)
+					}
+				}
+			} else {
+				msg.Cmd("query", "show tables")
+				for _, v := range msg.Meta[msg.Meta["append"][0]] {
+					m.Echo("%s\n", v)
+				}
+			}
+			// }}}
+		}},
+		"list": &ctx.Command{Name: "list add table field", Help: "执行查询语句", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
+			mdb, ok := m.Target().Server.(*MDB) // {{{
+			m.Assert(ok)
+			if len(arg) == 0 {
+				for _, k := range mdb.list_key {
+					m.Echo("%s: %v\n", k, mdb.list[k])
+				}
+				return
+			}
+
+			switch arg[0] {
+			case "add":
+				if mdb.list == nil {
+					mdb.list = make(map[string][]string)
+				}
+				m.Capi("count", 1)
+				mdb.list[m.Cap("count")] = arg[1:]
+				mdb.list_key = append(mdb.list_key, m.Cap("count"))
+			case "set":
+				mdb.list[arg[1]] = arg[2:]
+			default:
+				if table, ok := mdb.list[arg[0]]; ok {
+					msg := m.Spawn(m.Target())
+
+					fields := strings.Join(table[1:], ",")
+					condition := ""
+					if len(arg) > 1 && len(arg[1]) > 0 {
+						condition = fmt.Sprintf("where %s", arg[1])
+					}
+					other := ""
+					if len(arg) > 2 {
+						other = strings.Join(arg[2:], " ")
+					}
+
+					msg.Cmd("query", fmt.Sprintf("select %s from %s %s %s", fields, table[0], condition, other))
+					for _, k := range msg.Meta["append"] {
+						m.Echo("\t%s", k)
+					}
+					m.Echo("\n")
+					for i := 0; i < len(msg.Meta[msg.Meta["append"][0]]); i++ {
+						for _, k := range msg.Meta["append"] {
+							m.Echo("\t%s", msg.Meta[k][i])
+						}
+						m.Echo("\n")
+					}
+				}
+			}
+			// }}}
 		}},
 	},
 	Index: map[string]*ctx.Context{
diff --git a/src/contexts/web/web.go b/src/contexts/web/web.go
index d2b6f856..6cd157b1 100644
--- a/src/contexts/web/web.go
+++ b/src/contexts/web/web.go
@@ -32,6 +32,9 @@ type WEB struct {
 	*http.ServeMux
 	*http.Server
 
+	client *http.Client
+	cookie map[string]*http.Cookie
+
 	list     map[string]string
 	list_key []string
 
@@ -39,8 +42,8 @@ type WEB struct {
 	*ctx.Context
 }
 
-func (web *WEB) generate(m *ctx.Message, arg string) string { // {{{
-	add, e := url.Parse(arg)
+func (web *WEB) generate(m *ctx.Message, uri string, arg ...string) string { // {{{
+	add, e := url.Parse(uri)
 	m.Assert(e)
 
 	adds := []string{}
@@ -76,12 +79,31 @@ func (web *WEB) generate(m *ctx.Message, arg string) string { // {{{
 		}
 	}
 
+	args := []string{}
+	for i := 0; i < len(arg)-1; i += 2 {
+		args = append(args, arg[i]+"="+arg[i+1])
+	}
+	p := strings.Join(args, "&")
+
 	if add.RawQuery != "" {
 		adds = append(adds, "?")
 		adds = append(adds, add.RawQuery)
+		if p != "" {
+			adds = append(adds, "&")
+			adds = append(adds, p)
+		}
 	} else if m.Confs("query") {
 		adds = append(adds, "?")
 		adds = append(adds, m.Conf("query"))
+		if p != "" {
+			adds = append(adds, "&")
+			adds = append(adds, p)
+		}
+	} else {
+		if p != "" {
+			adds = append(adds, "?")
+			adds = append(adds, p)
+		}
 	}
 
 	return strings.Join(adds, "")
@@ -147,22 +169,23 @@ func (web *WEB) Trans(m *ctx.Message, key string, hand func(*ctx.Message, *ctx.C
 
 // }}}
 func (web *WEB) ServeHTTP(w http.ResponseWriter, r *http.Request) { // {{{
+	web.Log("fuck", nil, "why")
 	if web.Message != nil {
 		log.Println()
 		web.Log("cmd", nil, "%v %s %s", r.RemoteAddr, r.Method, r.URL)
 
 		if web.Conf("logheaders") == "yes" {
 			for k, v := range r.Header {
-				log.Printf("%s: %v", k, v)
+				web.Log("info", nil, "%s: %v", k, v)
 			}
-			log.Println()
+			web.Log("info", nil, "")
 		}
 
 		if r.ParseForm(); len(r.PostForm) > 0 {
 			for k, v := range r.PostForm {
-				log.Printf("%s: %v", k, v)
+				web.Log("info", nil, "%s: %v", k, v)
 			}
-			log.Println()
+			web.Log("info", nil, "")
 		}
 	}
 
@@ -170,9 +193,9 @@ func (web *WEB) ServeHTTP(w http.ResponseWriter, r *http.Request) { // {{{
 
 	if web.Message != nil && web.Conf("logheaders") == "yes" {
 		for k, v := range w.Header() {
-			log.Printf("%s: %v", k, v)
+			web.Log("info", nil, "%s: %v", k, v)
 		}
-		log.Println()
+		web.Log("info", nil, "")
 	}
 }
 
@@ -348,15 +371,56 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 				})
 			} // }}}
 		}},
-		"get": &ctx.Command{Name: "get url", Help: "访问URL", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
+		"cookie": &ctx.Command{Name: "cookie add|del arg...", Help: "访问URL", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
 			web, ok := m.Target().Server.(*WEB) // {{{
 			m.Assert(ok)
 
-			uri := web.generate(m, arg[0])
+			switch len(arg) {
+			case 0:
+				for k, v := range web.cookie {
+					m.Echo("%s: %v\n", k, v.Value)
+				}
+			case 1:
+				if v, ok := web.cookie[arg[0]]; ok {
+					m.Echo("%s", v.Value)
+				}
+			default:
+				if web.cookie == nil {
+					web.cookie = make(map[string]*http.Cookie)
+				}
+				if v, ok := web.cookie[arg[0]]; ok {
+					v.Value = arg[1]
+				} else {
+					web.cookie[arg[0]] = &http.Cookie{Name: arg[0], Value: arg[1]}
+				}
+			}
+			// }}}
+		}},
+		"get": &ctx.Command{Name: "get url arg...", Help: "访问URL", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
+			web, ok := m.Target().Server.(*WEB) // {{{
+			m.Assert(ok)
+
+			uri := web.generate(m, arg[0], arg[1:]...)
 			m.Log("info", nil, "GET %s", uri)
 
-			res, e := http.Get(uri)
+			if web.client == nil {
+				web.client = &http.Client{}
+			}
+
+			req, e := http.NewRequest("GET", uri, nil)
 			m.Assert(e)
+			for _, v := range web.cookie {
+				req.AddCookie(v)
+			}
+
+			res, e := web.client.Do(req)
+			m.Assert(e)
+			if web.cookie == nil {
+				web.cookie = make(map[string]*http.Cookie)
+			}
+			for _, v := range res.Cookies() {
+				web.cookie[v.Name] = v
+			}
 
 			for k, v := range res.Header {
 				m.Log("info", nil, "%s: %v", k, v)
@@ -386,7 +450,7 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 			m.Echo(string(buf))
 			// }}}
 		}},
-		"list": &ctx.Command{Name: "list [index|add|del [url]]", Help: "查看、访问、添加url", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
+		"list": &ctx.Command{Name: "list [set|add|del [url]]", Help: "查看、访问、添加url", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
 			web, ok := m.Target().Server.(*WEB) // {{{
 			m.Assert(ok)
 
@@ -400,7 +464,7 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 			case 1:
 				msg := m.Spawn(m.Target()).Cmd("get", web.list[arg[0]])
 				m.Copy(msg, "result")
-			case 2:
+			default:
 				switch arg[0] {
 				case "add":
 					m.Capi("count", 1)
@@ -408,8 +472,11 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 					web.list_key = append(web.list_key, m.Cap("count"))
 				case "del":
 					delete(web.list, arg[1])
+				case "set":
+					web.list[arg[1]] = arg[2]
 				default:
-					web.list[arg[0]] = arg[1]
+					msg := m.Spawn(m.Target()).Cmd("get", web.list[arg[0]], arg[1:])
+					m.Copy(msg, "result")
 				}
 			} // }}}
 		}},