diff --git a/AIParkingApplication/Statistic.cs b/AIParkingApplication/Statistic.cs
index ac1a984..fcd7289 100644
--- a/AIParkingApplication/Statistic.cs
+++ b/AIParkingApplication/Statistic.cs
@@ -1,10 +1,5 @@
 using System;
-using System.Text;
 using System.Windows.Forms;
-using System.IO;
-using System.Net;
-using System.Web.Script.Serialization;
-using System.Diagnostics.SymbolStore;
 using System.Threading;
 using Newtonsoft.Json;
 using System.Net.Http;
@@ -13,7 +8,7 @@ namespace AIParkingApplication
 {
     public partial class Statistic : UserControl
     {
-        private readonly HttpClient client = new HttpClient { BaseAddress = new Uri("http://192.168.1.123:80/"), Timeout = TimeSpan.FromMilliseconds(5000) };
+        private readonly HttpClient client;
 
         Label lblLoaiXe;
         Label lblXeMay;
@@ -22,10 +17,11 @@ namespace AIParkingApplication
         Label lblSoLuongXeMay;
         Label lblSoLuongOto;
 
-        public Statistic()
+        public Statistic(string apiUrl)
         {
             InitializeComponent();
             Thread thrStatistics = new Thread(new ThreadStart(GetStatistic));
+            client = new HttpClient { BaseAddress = new Uri(apiUrl), Timeout = TimeSpan.FromMilliseconds(5000) };
             thrStatistics.IsBackground = true;
             thrStatistics.Start();
         }