问Branch.io:添加的元数据参数未获取路由: IOS深度链接

EN

branch.initSession(launchOptions: launchOptions, isReferrable: true, andRegisterDeepLinkHandler: {(params : [AnyHashable : Any]?, error) -> Void in

 ▿ Optional<Dictionary<AnyHashable, Any>>
  ▿ some : 2 elements
    ▿ 0 : 2 elements
      ▿ .0 : AnyHashable("+clicked_branch_link")
        - value : "+clicked_branch_link"
      - .1 : 0
    ▿ 1 : 2 elements
      ▿ .0 : AnyHashable("+is_first_session")
        - value : "+is_first_session"
      - .1 : 0

 branchUniversalObject = BranchUniversalObject(canonicalIdentifier: "item/1")
        branchUniversalObject.title = "Meet Mr. Squiggles"
        branchUniversalObject.contentDescription = "Your friend Josh has invited you to meet his awesome monster, Mr. Squiggles!"
        branchUniversalObject.imageUrl = "https://example.com/monster-pic-12345.png"
        branchUniversalObject.addMetadataKey("userId", value: "12345")
        branchUniversalObject.addMetadataKey("userName", value: "Josh")
        branchUniversalObject.addMetadataKey("monsterName", value: "Mr. Squiggles")
        branchUniversalObject.addMetadataKey("product_picture", value: "Mr. Squiggles product_picture")

        branchUniversalObject.automaticallyListOnSpotlight = true
        branchUniversalObject.userCompletedAction(BNCRegisterViewEvent)
        linkProperties = BranchLinkProperties()
        linkProperties.feature = "share"
        linkProperties.addControlParam("$desktop_url", withValue: "http://example.com/home")
        linkProperties.addControlParam("$ios_url", withValue: "http://example.com/ios")

branchUniversalObject.getShortUrl(with: linkProperties,  andCallback: { (optUrl: String?, error: Error?) in
            if error == nil, let url = optUrl {
                print("got my Branch link to share: %@", url)
                DispatchQueue.main.async {

                    self.branchUniversalObject.showShareSheet(with: self.linkProperties,
                                                              andShareText: "Super amazing thing I want to share!",
                                                              from: self) { (activity: String?, success: Bool) in
                                                                print("done showing share sheet! : \(success)")
                    }
                }
            }
        })