diff --git a/Program.cs b/Program.cs
index cb4c596..bd6e5aa 100644
--- a/Program.cs
+++ b/Program.cs
@@ -1,7 +1,26 @@
 using Microsoft.Extensions.DependencyInjection.Extensions;
+using Microsoft.AspNetCore.ResponseCompression;
+using System.IO.Compression;
 
 var builder = WebApplication.CreateBuilder(args);
 
+builder.Services.AddResponseCompression(options =>
+{
+    options.EnableForHttps = true;
+    options.Providers.Add<BrotliCompressionProvider>();
+    options.Providers.Add<GzipCompressionProvider>();
+});
+
+builder.Services.Configure<BrotliCompressionProviderOptions>(options =>
+{
+    options.Level = CompressionLevel.Fastest;
+});
+
+builder.Services.Configure<GzipCompressionProviderOptions>(options =>
+{
+    options.Level = CompressionLevel.SmallestSize;
+});
+
 // Add services to the container.
 builder.Services.AddControllersWithViews();
 builder.Services.TryAddSingleton<IHttpContextAccessor, HttpContextAccessor>();
diff --git a/wwwroot/assets/javascript/custom/kollist.js b/wwwroot/assets/javascript/custom/kollist.js
index 107fe12..8efa565 100644
--- a/wwwroot/assets/javascript/custom/kollist.js
+++ b/wwwroot/assets/javascript/custom/kollist.js
@@ -105,7 +105,7 @@ $(document).ready(function () {
 
                 }
 
-                if (kolMedia_url22.indexOf("youtube") >= 0) {
+                if (kolMedia_url22.indexOf("youtube") < 0) {
                     err_msg += kolMedia_url22 + " 此Youtube網址有誤\n";
 
                 }