fix: add appid in minipage custom message

Author: rickif

mp/message/custom/msg.go

@@ -14,7 +14,7 @@ const (
 	MsgTypeMPNews     core.MsgType = "mpnews"          // 图文消息, 发送已经创建好的图文
 	MsgTypeWxCard     core.MsgType = "wxcard"          // 卡卷消息
 	MsgTypeWxMiniLink core.MsgType = "link"            // 小程序客服消息:图文链接
-	MsgTypeWxMiniPage core.MsgType = "miniprogrampage" // 小程序客服消息:图文链接
+	MsgTypeWxMiniPage core.MsgType = "miniprogrampage" // 小程序客服消息:小程序卡片
 )
 
 type MsgHeader struct {
@@ -309,13 +309,14 @@ type WxMiniPage struct {
 	MsgHeader
 	MiniProgramPage struct {
 		Title        string `json:"title"`
+		AppId        string `json:"appid"`
 		PagePath     string `json:"pagepath"`
 		ThumbMediaId string `json:"thumb_media_id"`
 	} `json:"miniprogrampage"`
 	CustomService *CustomService `json:"customservice,omitempty"`
 }
 
-func NewMiniPage(toUser, title, pagePath, thumbMediaId, kfAccount string) (page *WxMiniPage) {
+func NewMiniPage(toUser, title, appId, pagePath, thumbMediaId, kfAccount string) (page *WxMiniPage) {
 	page = &WxMiniPage{
 		MsgHeader: MsgHeader{
 			ToUser:  toUser,
@@ -324,6 +325,7 @@ func NewMiniPage(toUser, title, pagePath, thumbMediaId, kfAccount string) (page
 	}
 
 	page.MiniProgramPage.Title = title
+	page.MiniProgramPage.AppId = appId
 	page.MiniProgramPage.PagePath = pagePath
 	page.MiniProgramPage.ThumbMediaId = thumbMediaId
 	if kfAccount != "" {