find_by を使って値が取り出せない。

#状況の詳細（binding.pryを実行）

    22:  def search_result
    23:   @jpcity = Jpcity.find_by(params[jpkanji: "#{params[:keyword]}"])
    24:   render action: :show
 => 25:   binding.pry
    26: end
[3] pry(#<JpcitiesController>)> "#{params[:keyword]}"
=> "新潟"
[4] pry(#<JpcitiesController>)> @jpcity 
=> #<Jpcity:0x00007f80ae9dd510
 id: 1,
 pref: "北海道",
 jpkanji: " 札幌",
 simplified: "札幌",
 hira: "さっぽろ",
 alphabet: "Sapporo",
 pinyin: "Zha huang",
 created_at: Sat, 07 Dec 2019 11:10:43 UTC +00:00,
 updated_at: Sat, 07 Dec 2019 11:10:43 UTC +00:00>

なお、showアクションのビューに遷移した時、「さっぽろ 43.0614」と表示されます。
しかし、そのpath は、

http://localhost:3000/jpcities/search_result?utf8=✔︎&keyword=新潟

です。
（補足：search_resultアクションのビューから、renderでshowアクションのビューへ遷移しています）
ここで新潟市の情報を出したいのですが、レコードの一番最初の札幌の情報が表示されます。
どの都市がフォームに入力されても全て同じ結果です。
（補足：フォームへの入力は、インクリメンタルサーチが起動しています。）

#ファイルの詳細
###jpcities.controller

class JpcitiesController < ApplicationController
  def index
  end
  
  def search
    @jpcity_name = Jpcity.where('jpkanji LIKE(?)', "%#{params[:keyword]}%").limit(6)
    @jpcity_hira = Jpcity.where('hira LIKE(?)', "%#{params[:keyword]}%").limit(6)
    @jpcity_alpha = Jpcity.where('alphabet LIKE(?)', "%#{params[:keyword]}%").limit(6)
    if @jpcity_name != []
      @jpcities = @jpcity_name
    elsif @jpcity_hira != []
      @jpcities = @jpcity_hira
    else
      @jpcities = @jpcity_alpha
    end
    respond_to do |format|
     format.html
     format.json{render json:@jpcities}
    end
  end
 
  def search_result
    @jpcity = Jpcity.find_by(params[jpkanji: "#{params[:keyword]}"])
   render action: :show
  end
  
  def show 
  end
   
  private

  def jpcity_params
    params.require(:jpcity).permit(
      :pref,
      :jpkanji,
      :simplified,
      :hira,
      :alphabet,
      :latitude_id,
      jpcity2_attributes:[
      :latitude,
      :longitude,
      :pref,
      :income,
      :r_price,
      :popul,
      :size,
      :dense,
      :jpcity_id,
      :latitude_id
      ]
    )
  end
end

search.js

$(function(){
  var search_list = $("#jpcity-search-result-latitude");
  function AppendJpcitiesName(jpcity){
  var html = `<div class="jpcity-name-stage-lat">
                <p class="jpcity-name" type="hidden" data-jpcity__id="${jpcity.id}" data-jpcity__name=${jpcity.jpkanji}>${jpcity.jpkanji}</p>             
              </div>` 
   search_list.append(html);
  } 

  $(function(){
    $(".clearfix_lat").on("keyup", function(){
    var input = $(".clearfix_lat").val();
    var preWord;
    if (input !== preWord){
    $.ajax({
      type: 'get',
      url: '/jpcities/search',
      data: { keyword: input },
      dataType: 'json'
    })
    .done(function(jpcities) {
      $(search_list).empty();
      if(input != "") {
        $(search_list).show();
        jpcities.forEach(function(jpcity){
          AppendJpcitiesName(jpcity);
        });
      } else {
        $(search_list).hide();
        $(search_list).empty(); 
      }   
      preWord = input;
    })
  }    
  })
})
})

$(function(){
  var search_list = $("#jpcity-search-result-climate");
  function AppendJpcitiesName(jpcity){
  var html = `<div class="jpcity-name-stage-cli">
                <p class="jpcity-name" type="hidden" data-jpcity__id="${jpcity.id}" data-jpcity__name=${jpcity.jpkanji}>${jpcity.jpkanji}</p>
                </div>` 
  search_list.append(html);
  } 

  $(function(){
    $(".clearfix_cli").on("keyup", function(){
    var input = $(".clearfix_cli").val();
    var preWord;
    if (input !== preWord){
    $.ajax({
      type: 'get',
      url: '/jpcities/search',
      data: { keyword: input },
      dataType: 'json'
    })
    .done(function(jpcities) {
      $(search_list).empty();
      if(input != "") {
        $(search_list).show();
        jpcities.forEach(function(jpcity){
        AppendJpcitiesName(jpcity);
        });
      } else {
        $(search_list).hide();
        $(search_list).empty(); 
      }   
      preWord = input;
    })
  }    
  })
 })
  $(document).on("click", ".jpcity-name-stage-lat", function () {
      var jpcityId = $(this).data("jpcity__id");
      var jpcityName = $(this).text().trim();
      $(".search-form-lat").empty();
      $(".search-form-lat").val(jpcityName);
      // $(".").val(jpcityId);
      $("#jpcity-search-result-latitude").empty();
    });

  

  $(document).on("click", ".jpcity-name-stage-cli", function () {
    var jpcityId_cl = $(this).data("jpcity__id");
    var jpcityName_cl = $(this).text().trim();
    $(".search-form-cl").empty();
    $(".search-form-cl").val(jpcityName_cl);
    $(".jpcitiy-name__id").val(jpcityId_cl);
    $("#jpcity-search-result-climate").empty();
  });
})

JSでidを取得してフォームに反映させる方法は断念しています。
###search.html.haml(一部抜粋）

%p.jp-search-field__middle__stage__latitude 
          任意の日本の都市名をご入力ください＾＾
        .jp-search-field__middle__stage__latitude__form-box
          .jp-search-field__middle__stage__latitude__form-box__form
            = form_tag("jpcities/search_result", method: :get) do
              %input.search-form-lat{name:"keyword", placeholder: "日本の都市名", type: "text", class:'clearfix_lat',style:'padding-left:10px;'}
              %label.search-icon.submit-stage
                = fa_icon 'search fa-lg',class:'submit'
              #jpcity-search-result-latitude

###search_result.html.haml

= render partial: template: "jpcities/show", collection: @jpcity

###show.html.haml

.div
  = @jpcity.hira
  = @jpcity.jpcity2.latitude

###jpcity.rb

class Jpcity < ApplicationRecord
  has_one :jpcity2
  has_one :jpclimate
  accepts_nested_attributes_for :jpcity2
  accepts_nested_attributes_for :jpclimate
end

###routes.rb

Rails.application.routes.draw do
  # For details on the DSL available within this file, see http://guides.rubyonrails.org/routing.html
  root to: 'jpcities#search'
  resources :jpcities do
    collection do
      get 'search' 
      get 'search_result'
    end
  end
  resources :chcities
end

###jpcities テーブル
md(!cd22e011378b46b8955179f80569509d,0.707182320441989)

###jpcity2sテーブル

latitude,longitude,pref,r_price,income,jpcity_id,popul,size,dense,latitude_id
43.0614,141.355,北海道,,,1,,,,77
40.8869,140.59,青森県,,,2,,,,68
39.7021,141.155,岩手県,,,3,,,,63
38.2678,140.869,宮城県,,,4,,,,58
39.6899,140.343,秋田県,,,5,,,,63
（以下省略します）

以上です。何卒よろしくお願いいたします m_ _m