diff --git a/bin/boot.sh b/bin/boot.sh
index ef13838e..157c0dc3 100755
--- a/bin/boot.sh
+++ b/bin/boot.sh
@@ -30,9 +30,9 @@ install() {
     wget -O etc/exit.shy $ctx_dev/exit_shy
     wget -O etc/init.shy $ctx_dev/init_shy
     wget -O etc/common.shy $ctx_dev/common_shy
-    wget -O bin/bench.new "$ctx_dev/bench?GOOS=$GOOS&GOARCH=$GOARCH" && chmod u+x bin/bench.new && mv bin/bench.new bin/bench
-    wget -O bin/boot.sh $ctx_dev/boot_sh && chmod u+x bin/boot.sh
-    wget -O bin/node.sh $ctx_dev/node_sh && chmod u+x bin/node.sh
+    wget -O bin/bench.new "$ctx_dev/bench?GOOS=$GOOS&GOARCH=$GOARCH" && chmod a+x bin/bench.new && mv bin/bench.new bin/bench
+    wget -O bin/boot.sh $ctx_dev/boot_sh && chmod a+x bin/boot.sh
+    wget -O bin/node.sh $ctx_dev/node_sh && chmod a+x bin/node.sh
 }
 
 state() {
diff --git a/src/contexts/cli/cli.go b/src/contexts/cli/cli.go
index 562fecd0..fb46820b 100644
--- a/src/contexts/cli/cli.go
+++ b/src/contexts/cli/cli.go
@@ -148,6 +148,7 @@ var Index = &ctx.Context{Name: "cli", Help: "管理中心",
 		"runtime": &ctx.Command{Name: "runtime", Help: "runtime", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) (e error) {
 			mem := &runtime.MemStats{}
 			runtime.ReadMemStats(mem)
+			m.Append("NumCPU", runtime.NumCPU())
 			m.Append("NumGo", runtime.NumGoroutine())
 			m.Append("NumGC", mem.NumGC)
 			m.Append("other", kit.FmtSize(mem.OtherSys))
@@ -653,6 +654,7 @@ var Index = &ctx.Context{Name: "cli", Help: "管理中心",
 			m.Conf("runtime", "host.GOARCH", runtime.GOARCH)
 			m.Conf("runtime", "host.GOOS", runtime.GOOS)
 			m.Conf("runtime", "host.pid", os.Getpid())
+			runtime.GOMAXPROCS(1)
 
 			if name, e := os.Hostname(); e == nil {
 				m.Conf("runtime", "boot.hostname", kit.Select(name, os.Getenv("HOSTNAME")))
diff --git a/src/contexts/ssh/ssh.go b/src/contexts/ssh/ssh.go
index 66372718..4159eb43 100644
--- a/src/contexts/ssh/ssh.go
+++ b/src/contexts/ssh/ssh.go
@@ -214,9 +214,11 @@ var Index = &ctx.Context{Name: "ssh", Help: "集群中心",
 
 					if names[0] == "%" || names[0] == "*" { // 广播命令
 						m.Confm("node", names[0], func(name string, node map[string]interface{}) {
-							m.Find(kit.Format(node["module"]), true).Copy(m, "option").CallBack(sync, func(sub *ctx.Message) *ctx.Message {
-								return m.CopyFuck(sub, "append").CopyFuck(sub, "result").Echo("\n\n")
-							}, "send", rest, arg)
+							if kit.Format(node["type"]) != "master" {
+								m.Find(kit.Format(node["module"]), true).Copy(m, "option").CallBack(sync, func(sub *ctx.Message) *ctx.Message {
+									return m.CopyFuck(sub, "append").CopyFuck(sub, "result").Echo("\n\n")
+								}, "send", rest, arg)
+							}
 						})
 
 					} else if m.Confm("node", names[0], func(node map[string]interface{}) { // 单播命令
diff --git a/src/examples/code/code.go b/src/examples/code/code.go
index 8314adf0..aae02db1 100644
--- a/src/examples/code/code.go
+++ b/src/examples/code/code.go
@@ -513,7 +513,7 @@ var Index = &ctx.Context{Name: "code", Help: "代码中心",
 					if m.Cmd("web.get", "dev", fmt.Sprintf("code/upgrade/%s", link),
 						"GOOS", m.Conf("runtime", "host.GOOS"), "GOARCH", m.Conf("runtime", "host.GOARCH"),
 						"save", file); strings.HasPrefix(file, "bin/") {
-						if m.Cmd("cli.system", "chmod", "u+x", file); link == "bench" {
+						if m.Cmd("cli.system", "chmod", "a+x", file); link == "bench" {
 							m.Cmd("cli.system", "mv", "bin/bench", fmt.Sprintf("bin/bench_%s", m.Time("20060102_150405")))
 							m.Cmd("cli.system", "mv", "bin/bench.new", "bin/bench")
 						}