diff --git a/Makefile b/Makefile
index 91fc312b..8b1557c7 100644
--- a/Makefile
+++ b/Makefile
@@ -20,6 +20,9 @@ install_all: install
 build:
 	go build $(BENCH)
 
+run:
+	etc/run.sh
+
 win64:
 	GOARCH=amd64 GOOS=windows go build $(BENCH)
 	mv bench.exe bench_1.0_win64.exe
diff --git a/etc/run.sh b/etc/run.sh
new file mode 100755
index 00000000..ae6e9fde
--- /dev/null
+++ b/etc/run.sh
@@ -0,0 +1,8 @@
+#!/usr/bin/env bash
+
+while true; do
+    bench && break
+    echo "bench run error"
+    echo "restarting..."
+    sleep 3
+done
diff --git a/src/contexts/cli/cli.go b/src/contexts/cli/cli.go
index 5420c38d..7d06cf9d 100644
--- a/src/contexts/cli/cli.go
+++ b/src/contexts/cli/cli.go
@@ -813,6 +813,15 @@ var Index = &ctx.Context{Name: "cli", Help: "管理中心",
 		"tmux": &ctx.Command{Name: "tmux", Help: "", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
 			m.Copy(m.Spawn().Cmd("system", "tmux", arg), "result")
 		}},
+		"exit": &ctx.Command{Name: "exit code", Help: "exit", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
+			code := 0
+			if len(arg) > 0 {
+				i, e := strconv.Atoi(arg[0])
+				m.Assert(e)
+				code = i
+			}
+			os.Exit(code)
+		}},
 		"buffer": &ctx.Command{Name: "buffer", Help: "", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
 			bufs := strings.Split(m.Spawn().Cmd("system", "tmux", "list-buffers").Result(0), "\n")
 
@@ -829,10 +838,10 @@ var Index = &ctx.Context{Name: "cli", Help: "管理中心",
 				if len(bs) > 1 {
 					m.Add("append", "buffer", bs[0][:len(bs[0])])
 					m.Add("append", "length", bs[1][:len(bs[1])-6])
-					m.Add("append", "string", bs[2][1:len(bs[2])-1])
+					m.Add("append", "strings", bs[2][1:len(bs[2])-1])
 				}
 			}
-			m.Echo(m.Append("string"))
+			m.Echo(m.Append("strings"))
 		}},
 	},
 	Index: map[string]*ctx.Context{
diff --git a/src/contexts/mdb/mdb.go b/src/contexts/mdb/mdb.go
index 91bc48bf..b2b65d09 100644
--- a/src/contexts/mdb/mdb.go
+++ b/src/contexts/mdb/mdb.go
@@ -256,6 +256,8 @@ var Index = &ctx.Context{Name: "mdb", Help: "数据中心",
 								m.Meta[m.Option("extra_field")][i] = ""
 							case float64:
 								m.Meta[m.Option("extra_field")][i] = fmt.Sprintf(format, int(v))
+							case nil:
+								m.Meta[m.Option("extra_field")][i] = ""
 							default:
 								m.Meta[m.Option("extra_field")][i] = fmt.Sprintf(format, v)
 							}
@@ -295,15 +297,17 @@ var Index = &ctx.Context{Name: "mdb", Help: "数据中心",
 		"set": &ctx.Command{Name: "set table [field value] where condition", Help: "查看或选择数据库信息", Form: map[string]int{"where": 1}, Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
 			if mdb, ok := m.Target().Server.(*MDB); m.Assert(ok) && mdb.DB != nil {
 				sql := []string{"update", arg[0], "set"}
+				fields := []string{}
 				for i := 1; i < len(arg)-1; i += 2 {
 					sql = append(sql, fmt.Sprintf("%s='%s'", arg[i], arg[i+1]))
+					fields = append(fields, arg[i])
 					if i < len(arg)-2 {
 						sql = append(sql, ",")
 					}
 				}
 				sql = append(sql, fmt.Sprintf("where %s", m.Option("where")))
 				m.Spawn().Cmd("exec", strings.Join(sql, " "))
-				msg := m.Spawn().Cmd("show", arg[0], "where", m.Option("where"))
+				msg := m.Spawn().Cmd("show", arg[0], fields, "where", m.Option("where"))
 				m.Copy(msg, "result").Copy(msg, "append")
 			}
 		}},
diff --git a/src/contexts/web/web.go b/src/contexts/web/web.go
index b5d901cc..ca3194ac 100644
--- a/src/contexts/web/web.go
+++ b/src/contexts/web/web.go
@@ -238,6 +238,7 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 		"nroute": &ctx.Cache{Name: "nroute", Value: "0", Help: "路由数量"},
 	},
 	Configs: map[string]*ctx.Config{
+		"login_right":     &ctx.Config{Name: "login_right", Value: "1", Help: "缓存大小"},
 		"multipart_bsize": &ctx.Config{Name: "multipart_bsize", Value: "102400", Help: "缓存大小"},
 		"body_response":   &ctx.Config{Name: "body_response", Value: "response", Help: "响应缓存"},
 		"method":          &ctx.Config{Name: "method", Value: "GET", Help: "请求方法"},
@@ -309,8 +310,8 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 							"label": "limit", "value": "3",
 						},
 						map[string]interface{}{
-							"type": "button", "name": "string",
-							"label": "string", "value": "refresh",
+							"type": "button", "name": "refresh",
+							"label": "refresh", "value": "refresh",
 						},
 					},
 				},
@@ -844,6 +845,9 @@ var Index = &ctx.Context{Name: "web", Help: "应用中心",
 				group := m.Option("componet_group")
 				order := m.Option("componet_order")
 				right := group == "login"
+				if !right {
+					right = !m.Confs("login_right")
+				}
 				login := m
 				login = nil
 
diff --git a/usr/library/base.js b/usr/library/base.js
index facb1379..27c7e0f3 100644
--- a/usr/library/base.js
+++ b/usr/library/base.js
@@ -68,14 +68,9 @@ function onaction(event, action) {
         case "click":
             if (event.target.nodeName == "INPUT") {
                 if (event.altKey) {
-                    event.target.focus()
-                    event.target.select()
                     console.log("fuck")
-                        console.log(document.execCommand("paste"))
-    // var clipboard = document.querySelector("#clipboard")
-    // clipboard.value = text
-    // clipboard.select()
-    // document.execCommand("copy")
+                    var board = document.querySelector("#clipboard")
+                    event.target.value = board.value
                 }
             }
             break
@@ -179,7 +174,7 @@ function init_download(event) {
 
             option["dir"].value = option["dir"].value+"/"+event.target.innerText
             send_command(option, function(msg) {
-                option["dir"].value = msg.dir.join("")
+                context.Cookie("download_dir", option["dir"].value = msg.dir.join(""))
             })
         } else if (event.target.tagName == "TD") {
             copy_to_clipboard(event.target.innerText)