diff --git a/http.go b/http.go
index 7f10810..fd355b2 100644
--- a/http.go
+++ b/http.go
@@ -30,8 +30,8 @@ func newHTTPEndpointRequestWithAuth(method, contenttype, ep string, auth string,
 }
 
 // NewHTTPEndpointGetRequestWithAuth 新建带鉴权头的 HTTP GET 请求
-func NewHTTPEndpointGetRequestWithAuth(ep string, contenttype string, auth string) (*http.Request, error) {
-	return newHTTPEndpointRequestWithAuth("GET", contenttype, ep, auth, nil)
+func NewHTTPEndpointGetRequestWithAuth(ep string, contenttype string, auth string, body io.Reader) (*http.Request, error) {
+	return newHTTPEndpointRequestWithAuth("GET", contenttype, ep, auth, body)
 }
 
 // NewHTTPEndpointPutRequestWithAuth 新建带鉴权头的 HTTP PUT 请求
diff --git a/openapi.go b/openapi.go
index 2231355..826ca92 100644
--- a/openapi.go
+++ b/openapi.go
@@ -19,11 +19,41 @@ func checkrespbaseunsafe(ptr any) error {
 	return nil
 }
 
-//go:generate go run codegen/getopenapiof/main.go ShardWSSGateway User Guild Channel Member RoleMembers GuildRoleList ChannelPermissions Message MessageSetting PinsMessage
+//go:generate go run codegen/getopenapiof/main.go ShardWSSGateway User Guild Channel Member RoleMembers GuildRoleList ChannelPermissions Message MessageSetting PinsMessage Schedule
 
 // GetOpenAPI 从 ep 获取 json 结构化数据写到 ptr, ptr 除 Slice 外必须在开头继承 CodeMessageBase
 func (bot *Bot) GetOpenAPI(ep, contenttype string, ptr any) error {
-	req, err := NewHTTPEndpointGetRequestWithAuth(ep, contenttype, bot.Authorization())
+	req, err := NewHTTPEndpointGetRequestWithAuth(ep, contenttype, bot.Authorization(), nil)
+	if err != nil {
+		return errors.Wrap(err, getCallerFuncName())
+	}
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return errors.Wrap(err, getCallerFuncName())
+	}
+	defer resp.Body.Close()
+	if resp.StatusCode == http.StatusNoContent {
+		return nil
+	}
+	if resp.StatusCode >= http.StatusBadRequest {
+		return errors.Wrap(errors.New("code: "+strconv.Itoa(resp.StatusCode)+", msg: "+resp.Status), getCallerFuncName())
+	}
+	if ptr == nil {
+		return nil
+	}
+	err = json.NewDecoder(resp.Body).Decode(ptr)
+	if err != nil {
+		return errors.Wrap(err, getCallerFuncName())
+	}
+	if reflect.ValueOf(ptr).Elem().Kind() == reflect.Slice {
+		return nil
+	}
+	return checkrespbaseunsafe(ptr)
+}
+
+// GetOpenAPIWithBody 不规范地从 ep 获取 json 结构化数据写到 ptr, ptr 除 Slice 外必须在开头继承 CodeMessageBase
+func (bot *Bot) GetOpenAPIWithBody(ep, contenttype string, ptr any, body io.Reader) error {
+	req, err := NewHTTPEndpointGetRequestWithAuth(ep, contenttype, bot.Authorization(), body)
 	if err != nil {
 		return errors.Wrap(err, getCallerFuncName())
 	}
diff --git a/openapi_codegen_getopenapiof.go b/openapi_codegen_getopenapiof.go
index b6648ce..b5c8227 100644
--- a/openapi_codegen_getopenapiof.go
+++ b/openapi_codegen_getopenapiof.go
@@ -137,3 +137,15 @@ func (bot *Bot) getOpenAPIofPinsMessage(ep string) (*PinsMessage, error) {
 	}
 	return &resp.PinsMessage, err
 }
+
+func (bot *Bot) getOpenAPIofSchedule(ep string) (*Schedule, error) {
+	resp := &struct {
+		CodeMessageBase
+		Schedule
+	}{}
+	err := bot.GetOpenAPI(ep, "", resp)
+	if err != nil {
+		err = errors.Wrap(err, getCallerFuncName())
+	}
+	return &resp.Schedule, err
+}
diff --git a/openapi_schedule.go b/openapi_schedule.go
new file mode 100644
index 0000000..b4ad767
--- /dev/null
+++ b/openapi_schedule.go
@@ -0,0 +1,65 @@
+package nano
+
+// Schedule 日程对象
+//
+// https://bot.q.qq.com/wiki/develop/api/openapi/schedule/model.html
+type Schedule struct {
+	ID             string  `json:"id,omitempty"`
+	Name           string  `json:"name,omitempty"`
+	Description    string  `json:"description,omitempty"`
+	StartTimestamp string  `json:"start_timestamp,omitempty"`
+	EndTimestamp   string  `json:"end_timestamp,omitempty"`
+	Creator        *Member `json:"creator,omitempty"`
+	JumpChannelID  string  `json:"jump_channel_id,omitempty"`
+	RemindType     string  `json:"remind_type,omitempty"` // https://bot.q.qq.com/wiki/develop/api/openapi/schedule/model.html#remindtype
+}
+
+// GetChannelSchedules 获取channel_id指定的子频道中当天的日程列表
+//
+// https://bot.q.qq.com/wiki/develop/api/openapi/schedule/get_schedules.html
+func (bot *Bot) GetChannelSchedules(id string, since uint64) (schedules []Schedule, err error) {
+	if since == 0 {
+		err = bot.GetOpenAPI("/channels/"+id+"/schedules", "", &schedules)
+	} else {
+		err = bot.GetOpenAPIWithBody("/channels/"+id+"/schedules", "", &schedules, WriteBodyFromJSON(&struct {
+			S uint64 `json:"since"`
+		}{since}))
+	}
+	return
+}
+
+// GetScheduleInChannel 获取日程子频道 channel_id 下 schedule_id 指定的的日程的详情
+//
+// https://bot.q.qq.com/wiki/develop/api/openapi/schedule/get_schedule.html
+func (bot *Bot) GetScheduleInChannel(channelid string, scheduleid string) (*Schedule, error) {
+	return bot.getOpenAPIofSchedule("/channels/" + channelid + "/schedules/" + scheduleid)
+}
+
+// CreateScheduleInChannel 在 channel_id 指定的日程子频道下创建一个日程
+//
+// https://bot.q.qq.com/wiki/develop/api/openapi/schedule/post_schedule.html
+//
+// schedule 会被写入返回的对象
+func (bot *Bot) CreateScheduleInChannel(id string, schedule *Schedule) error {
+	return bot.PostOpenAPI("/channels/"+id+"/schedules", "", schedule, WriteBodyFromJSON(&struct {
+		S *Schedule `json:"schedule"`
+	}{schedule}))
+}
+
+// PatchScheduleInChannel 修改日程子频道 channel_id 下 schedule_id 指定的日程的详情
+//
+// https://bot.q.qq.com/wiki/develop/api/openapi/schedule/patch_schedule.html
+//
+// schedule 会被写入返回的对象
+func (bot *Bot) PatchScheduleInChannel(channelid string, scheduleid string, schedule *Schedule) error {
+	return bot.PatchOpenAPI("/channels/"+channelid+"/schedules/"+scheduleid, "", schedule, WriteBodyFromJSON(&struct {
+		S *Schedule `json:"schedule"`
+	}{schedule}))
+}
+
+// DeleteScheduleInChannel 删除日程子频道 channel_id 下 schedule_id 指定的日程
+//
+// https://bot.q.qq.com/wiki/develop/api/openapi/schedule/delete_schedule.html
+func (bot *Bot) DeleteScheduleInChannel(channelid string, scheduleid string) error {
+	return bot.DeleteOpenAPI("/channels/"+channelid+"/schedules/"+scheduleid, "", nil)
+}