问如何清除导致即使我以其他用户登录也无法清除已保存值的共享字典

EN

                        if(status == 1)
                        {
                            DispatchQueue.main.async {
                                GAReusableClass.sharedInstance.hideActivityIndicator()
                                UserDefaults.standard.set(self.DataDict, forKey:MaindataKey)
                                let Dict = self.mainDict[KData] as!  [String: AnyObject]
                                print("self.DataDict", self.DataDict)
                                let User_ID = Dict[KUuid]as! String
                                print(User_ID)
                                let HMACSECRETKEY = self.deviceToken + "+" + User_ID
                                kHMACKey = HMACSECRETKEY
                                let cipher:String = CryptoHelper.encrypt(input:HMACSECRETKEY)!;
                                print(HMACSECRETKEY)
                                UserDefaults.standard.setValue(cipher, forKey:HmacKey)
                                UserDefaults.standard.set(true, forKey: "isLogin")
                                GAloginUserInfo.shared.saveUserInfo(dict: Dict )
                                let tabar = self.storyboard?.instantiateViewController(withIdentifier: "GAtHomeTabbarViewController") as! GAtHomeTabbarViewController
                                self.navigationController?.pushViewController(tabar, animated: true)

                            }

import UIKit
import Firebase
class GAloginUserInfo: NSObject {
    var loginUserMobileNo : String?
    var loginUserId : String?
    var loginUserUuid : String?
    var loginUserCountry : String?
    var loginUserCountryCode : String?
    var loginUserEmail : String?
    var loginUserlatitude : String?
    var loginUserLongitude : String?
    var loginUserName : String?
    var loginUserQrcode : String?
    var loginUserProfilePic : String?
    var isverify : String?
    var loginPassword : String?
    var dateOfBirth: String?
    var earnedPoints:String?
    var loginUserGender:String?
    var loginUserFollowers:Int = 0

    static let shared = GAloginUserInfo()
    func saveUserInfo (dict : [String : AnyObject?] )  {


        if let loginUserMobileNo = dict["mobile"] as? String {
            self.loginUserMobileNo = loginUserMobileNo
        }
        if let loginUserId = dict["id"] as? String {
            self.loginUserId = loginUserId
        }
        if let loginUserUuid = dict["uuid"] as? String {
            self.loginUserUuid = loginUserUuid
            print(loginUserUuid)
        }
        if let loginUserCountry = dict["country"] as? String {
            self.loginUserCountry = loginUserCountry
        }
        if let loginUserCountryCode = dict["country_code"] as? String {
            self.loginUserCountryCode = loginUserCountryCode
        }
        if let loginUserEmail = dict["email"] as? String {
            self.loginUserEmail = loginUserEmail
        }
        if let loginUserProfilePic = dict["profile_pic"] as? String {
            self.loginUserProfilePic = loginUserProfilePic
        }
        if let loginUserLongitude = dict["logitude"] as? String {
            self.loginUserLongitude = loginUserLongitude
        }
        if let loginUserName = dict["name"] as? String {
            self.loginUserName = loginUserName
        }
        if let loginUserQrcode = dict["qr_code"] as? String {
            self.loginUserQrcode = loginUserQrcode
        }
        if let Password = dict["password"] as? String{
            self.loginPassword = Password
        }
        if let dateOfBirth = dict["dob"] as? String{
            self.dateOfBirth = dateOfBirth
        }
        if let earnedPoints = dict["points"] as? String{
            let myDouble = Double(earnedPoints)
            let doubleStr = String(format: "%.2f", myDouble!)
            self.earnedPoints = doubleStr
        }
        if let loginUserGender = dict["gender"] as? String{
            self.loginUserGender = loginUserGender
        }
        if let loginUserFollowers = dict["followersCount"] as? Int{
            self.loginUserFollowers = loginUserFollowers
        }

    }

}