diff --git a/PacticeSolution/MapFinder/Control/CustomWebBrowser.xaml b/PacticeSolution/MapFinder/Control/CustomWebBrowser.xaml
new file mode 100644
index 0000000..e90e209
--- /dev/null
+++ b/PacticeSolution/MapFinder/Control/CustomWebBrowser.xaml
@@ -0,0 +1,10 @@
+<UserControl x:Class="MapFinder.Control.CustomWebBrowser"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+             xmlns:local="clr-namespace:MapFinder.Control"
+             mc:Ignorable="d" 
+             d:DesignHeight="450" d:DesignWidth="800">
+    <WindowsFormsHost Name="wfhMain"/>
+</UserControl>
diff --git a/PacticeSolution/MapFinder/Control/CustomWebBrowser.xaml.cs b/PacticeSolution/MapFinder/Control/CustomWebBrowser.xaml.cs
new file mode 100644
index 0000000..44e8f90
--- /dev/null
+++ b/PacticeSolution/MapFinder/Control/CustomWebBrowser.xaml.cs
@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace MapFinder.Control
+{
+    /// <summary>
+    /// CustomWebBrowser.xaml에 대한 상호 작용 논리
+    /// </summary>
+    public partial class CustomWebBrowser : UserControl
+    {
+        public System.Windows.Forms.WebBrowser WebBrowser { get; private set; }
+
+        public CustomWebBrowser()
+        {
+            InitializeComponent();
+            InitInstance();
+        }
+
+        private void InitInstance()
+        {
+            this.WebBrowser = new System.Windows.Forms.WebBrowser();
+            wfhMain.Child = this.WebBrowser;
+        }
+    }
+}
diff --git a/PacticeSolution/MapFinder/MainWindow.xaml b/PacticeSolution/MapFinder/MainWindow.xaml
index 81b0618..9d32b94 100644
--- a/PacticeSolution/MapFinder/MainWindow.xaml
+++ b/PacticeSolution/MapFinder/MainWindow.xaml
@@ -3,7 +3,7 @@
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
-        xmlns:local="clr-namespace:MapFinder"
+        xmlns:local="clr-namespace:MapFinder" xmlns:control="clr-namespace:MapFinder.Control"
         mc:Ignorable="d"
         Title="Map Finder" Height="450" Width="800"
         Loaded="Window_Loaded">
@@ -43,9 +43,13 @@
                     Grid.Row="1"
                     Grid.Column="1"
                     Grid.ColumnSpan="3"/>-->
-        <WindowsFormsHost Name="wfhWebBrowser"
+        <!--<WindowsFormsHost Name="wfhWebBrowser"
                           Grid.Row="1"
                           Grid.Column="1"
-                          Grid.ColumnSpan="3"/>
+                          Grid.ColumnSpan="3"/>-->
+        <control:CustomWebBrowser x:Name="wbMain"
+                                  Grid.Row="1"
+                                  Grid.Column="1"
+                                  Grid.ColumnSpan="3"/>
     </Grid>
 </Window>
diff --git a/PacticeSolution/MapFinder/MainWindow.xaml.cs b/PacticeSolution/MapFinder/MainWindow.xaml.cs
index e8ac4e7..a4821de 100644
--- a/PacticeSolution/MapFinder/MainWindow.xaml.cs
+++ b/PacticeSolution/MapFinder/MainWindow.xaml.cs
@@ -25,8 +25,6 @@ namespace MapFinder
     /// </summary>
     public partial class MainWindow : Window
     {
-        System.Windows.Forms.WebBrowser _webBrowser;
-
         public MainWindow()
         {
             InitializeComponent();
@@ -35,10 +33,8 @@ namespace MapFinder
 
         private void InitInstance()
         {
-            _webBrowser = new System.Windows.Forms.WebBrowser();
-            wfhWebBrowser.Child = _webBrowser;
-            _webBrowser.ScriptErrorsSuppressed = true;
-            _webBrowser.Navigate("https://map.naver.com/");
+            wbMain.WebBrowser.ScriptErrorsSuppressed = true;
+            wbMain.WebBrowser.Navigate("https://map.naver.com/");
         }
 
         private double[] ConvertToEPSG3857(double lat, double lng)
@@ -65,14 +61,14 @@ namespace MapFinder
                 return;
 
             double[] epsg3857 = ConvertToEPSG3857(selected.Lat, selected.Lng);
-            string url = $"http://map.naver.com/v5/search?c={epsg3857[0]},{epsg3857[1]},{18},0,0,0,dh";
+            string url = $"http://map.naver.com/v5/search?c={epsg3857[0]},{epsg3857[1]},{17},0,0,0,dh";
 
             //string url = $"https://google.co.kr/maps/@{selected.Lat},{selected.Lng},11z";
             //string url = $"https://map.kakao.com/link/map/{selected.Name},{selected.Lat},{selected.Lng}";
             //Uri uri = new Uri(url);
             //wbMain.Source = uri;
 
-            _webBrowser.Navigate(url);
+            wbMain.WebBrowser.Navigate(url);
         }
 
         private void Window_Loaded(object sender, RoutedEventArgs e)
diff --git a/PacticeSolution/MapFinder/Utility/KakaoAPI.cs b/PacticeSolution/MapFinder/Utility/KakaoAPI.cs
index c77548b..2fd3f34 100644
--- a/PacticeSolution/MapFinder/Utility/KakaoAPI.cs
+++ b/PacticeSolution/MapFinder/Utility/KakaoAPI.cs
@@ -21,7 +21,7 @@ namespace MapFinder.Utility
             string site = "https://dapi.kakao.com/v2/local/search/keyword.json";
             string rquery = $"{site}?query={query}";
             WebRequest request = WebRequest.Create(rquery);
-            string rkey = ""; // REST API KEY
+            string rkey = "69747398a2142e62bfdaefbab4adbc42"; // REST API KEY
             string header = $"KakaoAK {rkey}";
             request.Headers.Add("Authorization", header);