diff --git a/WelsonJS.Toolkit/WelsonJS.Service/ScreenMatch.cs b/WelsonJS.Toolkit/WelsonJS.Service/ScreenMatch.cs
index 794fb2b..0e39063 100644
--- a/WelsonJS.Toolkit/WelsonJS.Service/ScreenMatch.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Service/ScreenMatch.cs
@@ -150,8 +150,8 @@ public class ScreenMatch
         sampleNodup = new List<string>();
         sampleNodupSize = new Size
         {
-            Width = 128,
-            Height = 64
+            Width = 256,
+            Height = 32
         };
         sampleOutdated = new Queue<Bitmap>();
 
diff --git a/WelsonJS.Toolkit/WelsonJS.Service/ServiceMain.cs b/WelsonJS.Toolkit/WelsonJS.Service/ServiceMain.cs
index ed05d7e..8c2e7c3 100644
--- a/WelsonJS.Toolkit/WelsonJS.Service/ServiceMain.cs
+++ b/WelsonJS.Toolkit/WelsonJS.Service/ServiceMain.cs
@@ -245,11 +245,14 @@ namespace WelsonJS.Service
                     scriptControl.AddCode(scriptText);
 
                     // initialize
-                    Log(DispatchServiceEvent("start"));
+                    Log(DispatchServiceEvent("start", new string[]
+                    {
+                        Environment.UserInteractive.ToString().ToLower()
+                    }));
                 }
                 catch (Exception ex)
                 {
-                    Log("Exception when start: " + ex.Message);
+                    Log($"Failed to start because of {ex.Message}");
                 }
             }
             else