diff --git a/model/commands.go b/model/commands.go
index 1028f65..6ea3dc9 100644
--- a/model/commands.go
+++ b/model/commands.go
@@ -161,3 +161,14 @@ func DeleteCommand(cmd, group string) (err error) {
 	_, err = x.Exec(query, cmd, group)
 	return
 }
+
+// UpdateCommand -
+func UpdateCommand(cmd, group, message string) (err error) {
+	if len(cmd) == 0 || len(message) == 0 {
+		return errors.New("cmd or message is empty")
+	}
+
+	query := `update "public"."commands" set "message" = $1, "mtime" = now() where "cmd" = $2 and "group" = $3`
+	_, err = x.Exec(query, message, cmd, group)
+	return
+}
diff --git a/router/api/line.go b/router/api/line.go
index afa07fa..9f62b0a 100644
--- a/router/api/line.go
+++ b/router/api/line.go
@@ -203,10 +203,9 @@ func DeleteLineGroupCommand(c *context.Context) {
 		return
 	}
 	if !exist {
-		c.NotFound(nil)
+		c.NotFound("command not found")
 		return
 	}
-	// TODO
 	err = model.DeleteCommand(cmd, g)
 	if err != nil {
 		c.ServerError(nil)
@@ -215,3 +214,40 @@ func DeleteLineGroupCommand(c *context.Context) {
 
 	c.Success(nil)
 }
+
+// EditLineGroupCommand -
+func EditLineGroupCommand(c *context.Context) {
+	bodyStruct := struct {
+		Message string `json:"message"`
+	}{}
+	cmd, ok := c.Params.Get("cmd")
+	if !ok {
+		c.DataFormat(nil)
+		return
+	}
+	g := c.DefaultQuery("group", "")
+
+	err := c.BindData(&bodyStruct)
+	if err != nil {
+		c.DataFormat(nil)
+		return
+	}
+
+	exist, err := model.CheckCommand(cmd, g)
+	if err != nil {
+		c.ServerError(nil)
+		return
+	}
+	if !exist {
+		c.NotFound("command not found")
+		return
+	}
+
+	err = model.UpdateCommand(cmd, g, bodyStruct.Message)
+	if err != nil {
+		c.ServerError(nil)
+		return
+	}
+
+	c.Success(nil)
+}
diff --git a/router/routes/routes.go b/router/routes/routes.go
index 2c675c7..54dbf82 100644
--- a/router/routes/routes.go
+++ b/router/routes/routes.go
@@ -73,6 +73,8 @@ func SetRoutes(r *gin.Engine) {
 		apiGroup.GET("/line/groups", context.PatchCtx(api.CheckSession), context.PatchCtx(api.GetLineList))
 		apiGroup.GET("/line/cmds", context.PatchCtx(api.CheckSession), context.PatchCtx(api.GetCommandList))
 		apiGroup.POST("/line/cmd", context.PatchCtx(api.CheckSession), context.PatchCtx(api.AddLineGroupCommand))
+		apiGroup.DELETE("/line/cmd/:cmd", context.PatchCtx(api.CheckSession), context.PatchCtx(api.DeleteLineGroupCommand))
+		apiGroup.PUT("/line/cmd/:cmd", context.PatchCtx(api.CheckSession), context.PatchCtx(api.EditLineGroupCommand))
 		apiGroup.GET("/session", context.PatchCtx(api.CheckSession), context.PatchCtx(api.GetSessionData))
 		apiGroup.GET("/twitch/channel/:chid/opay/bar", context.PatchCtx(api.GetDonateBarStatus))
 	}