private static string GetDecryptedPassword(string user = "")
 {
     using (IDbConnection cnn = new SQLiteConnection(LoadConnectionString()))
     {
         var output = cnn.Query <UserModel>("SELECT * FROM User WHERE Username = '******'", new DynamicParameters());
         List <UserModel> listUser = output.ToList();
         UserModel        userModel;
         string           password = "";
         if (listUser.Count > 0)
         {
             userModel = listUser[0];
             password  = EncryptPassword.Decrypt(userModel.password, "zxc123");
         }
         return(password);
     }
 }