                     if let avatar = avatarWithAvatarURLString(avatarURLString, inRealm: realm) {
 
                         switch radius {
+
                         case YepConfig.ConversationCell.avatarSize * 0.5:
+
                             if avatar.roundMini.length > 0 {
                                 if let image = UIImage(data: avatar.roundMini) {
                                     completeWithImage(image, avatarURLString: avatarURLString)
                                     return
                                 }
                             }
+
                         case YepConfig.chatCellAvatarSize() * 0.5:
+
                             if avatar.roundNano.length > 0 {
                                 if let image = UIImage(data: avatar.roundNano) {
                                     completeWithImage(image, avatarURLString: avatarURLString)
                                     return
                                 }
                             }
+
                         default:
                             break
                         }

                    if let avatar = avatarWithAvatarURLString(avatarURLString, inRealm: realm) {

                        switch radius {
                        case YepConfig.ConversationCell.avatarSize * 0.5:
                            if avatar.roundMini.length > 0 {
                                if let image = UIImage(data: avatar.roundMini) {
                                    completeWithImage(image, avatarURLString: avatarURLString)
                                    return
                                }
                            }
                        case YepConfig.chatCellAvatarSize() * 0.5:
                            if avatar.roundNano.length > 0 {
                                if let image = UIImage(data: avatar.roundNano) {
                                    completeWithImage(image, avatarURLString: avatarURLString)
                                    return
                                }
                            }
                        default:
                            break
                        }

        }

        // 完成过的就不需要了
        removeAvatarCompletionsByAvatarURLString(avatarURLString)
    }

