diff --git a/client/guild.go b/client/guild.go
index c026627e..3f1aa569 100644
--- a/client/guild.go
+++ b/client/guild.go
@@ -111,6 +111,15 @@ func (g *GuildInfo) FindMember(tinyId uint64) *GuildMemberInfo {
 	return nil
 }
 
+func (g *GuildInfo) FindChannel(channelId uint64) *ChannelInfo {
+	for _, c := range g.Channels {
+		if c.ChannelId == channelId {
+			return c
+		}
+	}
+	return nil
+}
+
 func (s *GuildService) GetUserProfile(tinyId uint64) (*GuildUserProfile, error) {
 	seq := s.c.nextSeq()
 	flags := binary.DynamicProtoMessage{}
diff --git a/message/image.go b/message/image.go
index c57ba178..b8cbdcc3 100644
--- a/message/image.go
+++ b/message/image.go
@@ -45,6 +45,7 @@ type GuildImageElement struct {
 	Height        int32
 	DownloadIndex string
 	Md5           []byte
+	Url           string
 }
 
 type ImageBizType uint32