diff --git a/src/contexts/cli/version.go b/src/contexts/cli/version.go
index 29028599..2d13aded 100644
--- a/src/contexts/cli/version.go
+++ b/src/contexts/cli/version.go
@@ -4,5 +4,5 @@ var version = struct {
 	host string
 	self int
 }{
-	"2019-07-10 05:27:50", "ZYB-20190522USI.ubuntu", 136,
+	"2019-07-11 17:29:33", "ZYB-20190522USI", 137,
 }
diff --git a/src/contexts/mdb/mdb.go b/src/contexts/mdb/mdb.go
index 19a7c137..bae3731c 100644
--- a/src/contexts/mdb/mdb.go
+++ b/src/contexts/mdb/mdb.go
@@ -127,10 +127,10 @@ var Index = &ctx.Context{Name: "mdb", Help: "数据中心",
 			m.Echo(arg[1])
 			return
 		}},
-		"redis": &ctx.Command{Name: "redis conn address [protocol]", Help: "", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) (e error) {
+		"redis": &ctx.Command{Name: "redis open address [protocol]", Help: "", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) (e error) {
 			if mdb, ok := m.Target().Server.(*MDB); m.Assert(ok) {
 				switch arg[0] {
-				case "conn":
+				case "open":
 					mdb.conn, e = redis.Dial("tcp", m.Cap("redis", arg[1]), redis.DialKeepAlive(time.Second*10))
 				default:
 					if mdb.conn == nil {
diff --git a/src/contexts/ssh/ssh.go b/src/contexts/ssh/ssh.go
index 265c69f4..8fe96579 100644
--- a/src/contexts/ssh/ssh.go
+++ b/src/contexts/ssh/ssh.go
@@ -100,12 +100,23 @@ var Index = &ctx.Context{Name: "ssh", Help: "集群中心",
 					"componet_tmpl": "componet", "componet_view": "Company", "componet_init": "",
 					"componet_type": "private", "componet_ctx": "ssh", "componet_cmd": "_route",
 					"componet_args": []interface{}{"$$", "context", "mdb", "redis"}, "inputs": []interface{}{
-						map[string]interface{}{"type": "text", "name": "pod", "value": "redis"},
+						map[string]interface{}{"type": "text", "name": "pod", "imports": "plugin_pod"},
 						map[string]interface{}{"type": "select", "name": "cmd", "values": []interface{}{"get", "del", "hgetall"}},
 						map[string]interface{}{"type": "text", "name": "cmd", "value": "test", "view": "long"},
 						map[string]interface{}{"type": "button", "value": "执行"},
 					},
 				},
+				map[string]interface{}{"componet_name": "mysql", "componet_help": "存储",
+					"componet_tmpl": "componet", "componet_view": "Company", "componet_init": "",
+					"componet_type": "private", "componet_ctx": "ssh", "componet_cmd": "_route",
+					"componet_args": []interface{}{"$$", "context", "$$", "show"}, "inputs": []interface{}{
+						map[string]interface{}{"type": "text", "name": "pod", "imports": "plugin_pod"},
+						map[string]interface{}{"type": "text", "name": "ctx", "value": "db1"},
+                        map[string]interface{}{"type": "text", "name": "cmd", "value": "tblStudentLesson0", "imports": "plugin_db_table", "action": "auto"},
+						map[string]interface{}{"type": "button", "value": "查看 "},
+					},
+					"exports": []interface{}{"db_table", "Tables"},
+				},
 			},
 			"context": []interface{}{
 				map[string]interface{}{"componet_name": "runtime", "componet_help": "系统",
@@ -157,7 +168,7 @@ var Index = &ctx.Context{Name: "ssh", Help: "集群中心",
 					"componet_tmpl": "componet", "componet_view": "Compile", "componet_init": "",
 					"componet_type": "private", "componet_ctx": "cli", "componet_cmd": "missyou",
 					"componet_args": []interface{}{}, "inputs": []interface{}{
-						map[string]interface{}{"type": "text", "name": "action"},
+                        map[string]interface{}{"type": "text", "name": "action", "view": "long"},
 						map[string]interface{}{"type": "button", "value": "行动", "action": "auto"},
 					},
 					"exports": []interface{}{"you", "", "you"},
@@ -243,7 +254,7 @@ var Index = &ctx.Context{Name: "ssh", Help: "集群中心",
 					"componet_tmpl": "componet", "componet_view": "Context", "componet_init": "",
 					"componet_type": "private", "componet_ctx": "ssh", "componet_cmd": "_route",
 					"componet_args": []interface{}{"$$", "context", "ssh", "remote"}, "inputs": []interface{}{
-						map[string]interface{}{"type": "text", "name": "pod"},
+                        map[string]interface{}{"type": "text", "name": "pod", "view": "long"},
 						map[string]interface{}{"type": "button", "value": "执行", "action": "auto"},
 					},
 					"exports": []interface{}{"pod", "", "pod"},
diff --git a/usr/librarys/example.js b/usr/librarys/example.js
index 29787fb3..092624df 100644
--- a/usr/librarys/example.js
+++ b/usr/librarys/example.js
@@ -1083,13 +1083,16 @@ function Canvas(plugin, output, width, height, space, msg) {
             ticket: {
                 draw: function() {
                     what.drawAxies().drawXLabel(step)
+                    if (keys.length < 3) {
+                        return
+                    }
                     canvas.beginPath()
 
                     var sum = 0, total = 0
                     for (var i = 0; i < nrow; i++) {
                         sum += data[keys[1]][i]
                         sum > total && (total = sum)
-                        sum -= data[keys[2]||keys[1]][i]
+                        sum -= data[keys[2]][i]
                     }
                     if (!data["sum"]) {
                         var sum = 0, max = 0, min = 0, end = 0
@@ -1100,8 +1103,8 @@ function Canvas(plugin, output, width, height, space, msg) {
                         data["end"] = []
                         for (var i = 0; i < nrow; i++) {
                             max = sum + data[keys[1]][i]
-                            min = sum - data[keys[2||keys[1]]][i]
-                            end = sum + data[keys[1]][i] - data[keys[2]||keys[1]][i]
+                            min = sum - data[keys[2]][i]
+                            end = sum + data[keys[1]][i] - data[keys[2]][i]
                             data["sum"].push(sum)
                             data["max"].push(max)
                             data["min"].push(min)