diff --git a/src/contexts/cli/cli.go b/src/contexts/cli/cli.go
index ca3bc6ee..7bb59739 100644
--- a/src/contexts/cli/cli.go
+++ b/src/contexts/cli/cli.go
@@ -99,6 +99,7 @@ func (cli *CLI) Start(m *ctx.Message, arg ...string) bool { // {{{
 		yac.Cmd("train", "num", "num", "mul{", "0", "-?[1-9][0-9]*", "0[0-9]+", "0x[0-9]+", "}")
 		yac.Cmd("train", "str", "str", "mul{", "\"[^\"]*\"", "'[^']*'", "}")
 		yac.Cmd("train", "tran", "tran", "mul{", "@", "$", "}", "opt{", "[a-zA-Z0-9_]+", "}")
+		yac.Cmd("train", "tran", "tran", "$", "(", "cache", ")")
 
 		yac.Cmd("train", "op1", "op1", "mul{", "$", "@", "}")
 		yac.Cmd("train", "op1", "op1", "mul{", "-z", "-n", "}")
@@ -317,9 +318,13 @@ var Index = &ctx.Context{Name: "cli", Help: "管理中心",
 
 				if len(arg) > 0 {
 					if i, e := strconv.Atoi(arg[0]); e == nil {
+						m.Option("time_format", m.Conf("time_format"))
 						t = time.Unix(int64(i/m.Confi("time_unit")), 0)
 						arg = arg[1:]
-						m.Option("time_format", m.Conf("time_format"))
+					} else if n, e := time.ParseInLocation(m.Confx("time_format"), arg[0], time.Local); e == nil {
+						m.Option("parse", arg[0])
+						arg = arg[1:]
+						t = n
 					}
 				}
 
@@ -380,7 +385,7 @@ var Index = &ctx.Context{Name: "cli", Help: "管理中心",
 				// }}}
 			}},
 		"echo": &ctx.Command{Name: "echo arg...", Help: "函数调用, name: 函数名, arg: 参数", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
-			m.Echo("%s", strings.Join(arg[1:], ""))
+			m.Echo("%s", strings.Join(arg, ""))
 		}},
 
 		"tran": &ctx.Command{Name: "tran word", Help: "", Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
diff --git a/src/contexts/mdb/mdb.go b/src/contexts/mdb/mdb.go
index da045934..588548ba 100644
--- a/src/contexts/mdb/mdb.go
+++ b/src/contexts/mdb/mdb.go
@@ -240,7 +240,10 @@ var Index = &ctx.Context{Name: "mdb", Help: "数据中心",
 		"show": &ctx.Command{
 			Name: "show table fields... [where conditions] [group fields] [order fields] [limit fields] [offset fields] [save filename] [other rest...]",
 			Help: "查询数据库, table: 表名, fields: 字段, where: 查询条件, group: 聚合字段, order: 排序字段",
-			Form: map[string]int{"where": 1, "group": 1, "order": 1, "limit": 1, "offset": 1, "extras": 1, "extra_format": 1, "trans_field": 1, "trans_map": 2, "save": 1, "export": 1, "other": -1},
+			Form: map[string]int{
+				"where": 1, "group": 1, "order": 1, "limit": 1, "offset": 1,
+				"extras": 1, "extra_format": 1, "trans_field": 1, "trans_map": 2,
+				"save": 1, "save_format": 1, "csv_col_sep": 1, "export": 1, "other": -1},
 			Hand: func(m *ctx.Message, c *ctx.Context, key string, arg ...string) {
 				if mdb, ok := m.Target().Server.(*MDB); m.Assert(ok) { // {{{
 					table := m.Confx("table", arg, 0)
@@ -283,7 +286,15 @@ var Index = &ctx.Context{Name: "mdb", Help: "数据中心",
 					}
 
 					m.Table(func(maps map[string]string, lists []string, line int) bool {
+						args := []interface{}{}
+
 						for i, v := range lists {
+							if m.Options("save_format") {
+								key := m.Meta["append"][i]
+								value := maps[key]
+								args = append(args, value)
+								continue
+							}
 							if m.Options("save") {
 								key := m.Meta["append"][i]
 								value := maps[key]
@@ -303,10 +314,17 @@ var Index = &ctx.Context{Name: "mdb", Help: "数据中心",
 								m.Echo(v)
 							}
 							if i < len(lists)-1 {
-								m.Echo(m.Conf("csv_col_sep"))
+								m.Echo(m.Confx("csv_col_sep"))
 							}
 						}
-						m.Echo(m.Conf("csv_row_sep"))
+						if m.Options("save_format") {
+							if line > -1 {
+								m.Echo(fmt.Sprintf(m.Option("save_format"), args...))
+							}
+							return true
+						}
+
+						m.Echo(m.Confx("csv_row_sep"))
 						return true
 					})
 
diff --git a/src/contexts/yac/yac.go b/src/contexts/yac/yac.go
index ed5b54a6..4b17a063 100644
--- a/src/contexts/yac/yac.go
+++ b/src/contexts/yac/yac.go
@@ -186,7 +186,9 @@ func (yac *YAC) train(m *ctx.Message, page, hash int, word []string) (int, []*Po
 
 // }}}
 func (yac *YAC) parse(m *ctx.Message, out *ctx.Message, page int, void int, line string, level int) (string, []string) { // {{{
-	// m.Log("debug", nil, "%s\\%d %s(%d): %s", m.Conf("label")[0:level], level, yac.name(page), page, line)
+	if m.Confs("debug") {
+		m.Log("debug", nil, "%s\\%d %s(%d): %s", m.Conf("label")[0:level], level, yac.name(page), page, line)
+	}
 
 	hash, word := 0, []string{}
 	for star, s := 0, page; s != 0 && len(line) > 0; {
@@ -249,7 +251,10 @@ func (yac *YAC) parse(m *ctx.Message, out *ctx.Message, page int, void int, line
 		}
 	}
 
-	// m.Log("debug", nil, "%s/%d %s(%d): %v", m.Conf("label")[0:level], level, yac.name(page), page, word)
+	if m.Confs("debug") {
+		m.Log("debug", nil, "%s/%d %s(%d): %v", m.Conf("label")[0:level], level, yac.name(page), page, word)
+	}
+
 	return line, word
 }
 
@@ -368,6 +373,7 @@ var Index = &ctx.Context{Name: "yac", Help: "语法中心",
 		"nparse": &ctx.Cache{Name: "nparse", Value: "0", Help: "解析器数量"},
 	},
 	Configs: map[string]*ctx.Config{
+		"debug": &ctx.Config{Name: "debug", Value: "true", Help: "词法集合的最大数量"},
 		"ncell": &ctx.Config{Name: "词法上限", Value: "128", Help: "词法集合的最大数量"},
 		"nlang": &ctx.Config{Name: "语法上限", Value: "32", Help: "语法集合的最大数量"},
 		"label": &ctx.Config{Name: "嵌套标记", Value: "####################", Help: "嵌套层级日志的标记"},