获取session添加该会话消息数量参数

service/imService.go

@@ -30,6 +30,8 @@ func FindSessionByUserID(userID int) []proto.SessionResponse {
 	for _, v := range sessions {
 		var session proto.SessionResponse
 		session.ID = v.ID
+		session.CreatedAt = v.CreatedAt
+		session.UpdatedAt = v.UpdatedAt
 		session.Name = v.Name
 		session.UserID = v.UserID
 		session.MsgCount = smap[int(v.ID)]