diff --git a/README.md b/README.md
index 13419334..1f459f9f 100644
--- a/README.md
+++ b/README.md
@@ -42,6 +42,7 @@ zerobot -h -t token -u url [-d|w] [-g] qq1 qq2 qq3 ...
     - [x] /禁用 xxx (在发送的群/用户禁用xxx)
     - [x] /全局启用 xxx
     - [x] /全局禁用 xxx
+    - [x] /还原 xxx (在发送的群/用户还原xxx的开启状态到初始状态)
     - [x] /用法 xxx
     - [x] /服务列表
 - **聊天** `import _ "github.com/FloatTech/ZeroBot-Plugin/plugin_chat"`
diff --git a/control/rule.go b/control/rule.go
index cb036720..397ca2b8 100644
--- a/control/rule.go
+++ b/control/rule.go
@@ -15,8 +15,6 @@ import (
 	"github.com/FloatTech/ZeroBot-Plugin/utils/sql"
 )
 
-const ALL int64 = 0
-
 var (
 	db = &sql.Sqlite{DBPath: "data/control/plugins.db"}
 	// managers 每个插件对应的管理
@@ -57,10 +55,10 @@ func newctrl(service string, o *Options) *Control {
 func (m *Control) Enable(groupID int64) {
 	m.Lock()
 	err := db.Insert(m.service, &grpcfg{groupID, 0})
+	m.Unlock()
 	if err != nil {
 		logrus.Errorf("[control] %v", err)
 	}
-	m.Unlock()
 }
 
 // Disable disables a group to pass the Manager.
@@ -68,36 +66,44 @@ func (m *Control) Enable(groupID int64) {
 func (m *Control) Disable(groupID int64) {
 	m.Lock()
 	err := db.Insert(m.service, &grpcfg{groupID, 1})
+	m.Unlock()
 	if err != nil {
 		logrus.Errorf("[control] %v", err)
 	}
-	m.Unlock()
+}
+
+// Reset resets the default config of a group.
+// groupID == 0 (ALL) is not allowed.
+func (m *Control) Reset(groupID int64) {
+	if groupID != 0 {
+		m.Lock()
+		err := db.Del(m.service, "WHERE gid = "+strconv.FormatInt(groupID, 10))
+		m.Unlock()
+		if err != nil {
+			logrus.Errorf("[control] %v", err)
+		}
+	}
 }
 
 // IsEnabledIn 开启群
 func (m *Control) IsEnabledIn(gid int64) bool {
-	m.RLock()
 	var c grpcfg
-	err := db.Find(m.service, &c, "WHERE gid = "+strconv.FormatInt(ALL, 10))
-	if err == nil {
-		logrus.Debugf("[control] plugin %s of all : %d", m.service, c.GroupID, c.Disable)
-		if c.Disable != 0 {
-			m.RUnlock()
-			return false
+	var err error
+	if gid != 0 {
+		m.RLock()
+		err = db.Find(m.service, &c, "WHERE gid = "+strconv.FormatInt(gid, 10))
+		m.RUnlock()
+		if err == nil {
+			logrus.Debugf("[control] plugin %s of grp %d : %d", m.service, c.GroupID, c.Disable)
+			return c.Disable == 0
 		}
 	}
-	err = db.Find(m.service, &c, "WHERE gid = "+strconv.FormatInt(gid, 10))
-	if err == nil {
-		m.RUnlock()
-		logrus.Debugf("[control] plugin %s of grp %d : %d", m.service, c.GroupID, c.Disable)
-		return c.Disable == 0
-	}
-	logrus.Errorf("[control] %v", err)
+	m.RLock()
+	err = db.Find(m.service, &c, "WHERE gid = 0")
 	m.RUnlock()
-	if m.options.DisableOnDefault {
-		m.Disable(gid)
-	} else {
-		m.Enable(gid)
+	if err == nil {
+		logrus.Debugf("[control] plugin %s of all : %d", m.service, c.GroupID, c.Disable)
+		return c.Disable == 0
 	}
 	return !m.options.DisableOnDefault
 }
@@ -161,30 +167,50 @@ func init() {
 						return zero.AdminPermission(ctx)
 					}
 					return zero.OnlyToMe(ctx)
-				}).
-					Handle(func(ctx *zero.Ctx) {
-						model := extension.CommandModel{}
-						_ = ctx.Parse(&model)
-						service, ok := Lookup(model.Args)
-						if !ok {
-							ctx.SendChain(message.Text("没有找到指定服务!"))
-						}
-						grp := ctx.Event.GroupID
-						if grp == 0 {
-							// 个人用户
-							grp = -ctx.Event.UserID
-						}
-						if strings.Contains(model.Command, "全局") || strings.Contains(model.Command, "all") {
-							grp = 0
-						}
-						if strings.Contains(model.Command, "启用") || strings.Contains(model.Command, "enable") {
-							service.Enable(grp)
-							ctx.SendChain(message.Text("已启用服务: " + model.Args))
-						} else {
-							service.Disable(grp)
-							ctx.SendChain(message.Text("已禁用服务: " + model.Args))
-						}
-					})
+				}).Handle(func(ctx *zero.Ctx) {
+					model := extension.CommandModel{}
+					_ = ctx.Parse(&model)
+					service, ok := Lookup(model.Args)
+					if !ok {
+						ctx.SendChain(message.Text("没有找到指定服务!"))
+					}
+					grp := ctx.Event.GroupID
+					if grp == 0 {
+						// 个人用户
+						grp = -ctx.Event.UserID
+					}
+					if strings.Contains(model.Command, "全局") || strings.Contains(model.Command, "all") {
+						grp = 0
+					}
+					if strings.Contains(model.Command, "启用") || strings.Contains(model.Command, "enable") {
+						service.Enable(grp)
+						ctx.SendChain(message.Text("已启用服务: " + model.Args))
+					} else {
+						service.Disable(grp)
+						ctx.SendChain(message.Text("已禁用服务: " + model.Args))
+					}
+				})
+
+				zero.OnCommandGroup([]string{"还原", "reset"}, func(ctx *zero.Ctx) bool {
+					if zero.OnlyGroup(ctx) {
+						return zero.AdminPermission(ctx)
+					}
+					return zero.OnlyToMe(ctx)
+				}).Handle(func(ctx *zero.Ctx) {
+					model := extension.CommandModel{}
+					_ = ctx.Parse(&model)
+					service, ok := Lookup(model.Args)
+					if !ok {
+						ctx.SendChain(message.Text("没有找到指定服务!"))
+					}
+					grp := ctx.Event.GroupID
+					if grp == 0 {
+						// 个人用户
+						grp = -ctx.Event.UserID
+					}
+					service.Reset(grp)
+					ctx.SendChain(message.Text("已还原服务的默认启用状态: " + model.Args))
+				})
 
 				zero.OnCommandGroup([]string{"用法", "usage"}, zero.AdminPermission, zero.OnlyGroup).
 					Handle(func(ctx *zero.Ctx) {