diff --git a/BarrageGrab/App.config b/BarrageGrab/App.config
index 83b86f9..1c784ab 100644
--- a/BarrageGrab/App.config
+++ b/BarrageGrab/App.config
@@ -14,12 +14,12 @@
 		<add key="proxyPort" value="8827"/>
 		<!--开启内置的域名过滤，设置为false会解包所有https请求，cpu占用很高，建议在无法获取弹幕数据时调整 -->
 		<add key="filterHostName" value="true"/>
-		<!--已知的弹幕域名列表，用作过滤规则中，凡是webcast开头的域名程序都会列入白名单-->
+		<!--已知的弹幕域名列表 ','分隔  用作过滤规则中，凡是webcast开头的域名程序都会自动列入白名单-->
 		<add key="hostNameFilter" value="
 			webcast3-ws-web-hl.douyin.com,
             webcast3-ws-web-lf.douyin.com,
-			webcast100-ws-web-lq.amemv.com
-            frontier-im.douyin.com,            
+			webcast100-ws-web-lq.amemv.com,
+            frontier-im.douyin.com,
 		"/>
 	</appSettings>
 </configuration>
\ No newline at end of file
diff --git a/BarrageGrab/Appsetting.cs b/BarrageGrab/Appsetting.cs
index 82add9c..e53c26a 100644
--- a/BarrageGrab/Appsetting.cs
+++ b/BarrageGrab/Appsetting.cs
@@ -24,7 +24,7 @@ namespace BarrageGrab
                 ProxyPort = int.Parse(AppSettings["proxyPort"]);
                 PrintFilter = Enum.GetValues(typeof(BarrageMsgType)).Cast<int>().ToArray();
                 FilterHostName = bool.Parse(AppSettings["filterHostName"].Trim());
-                HostNameFilter = AppSettings["hostNameFilter"].Trim().Split(',');
+                HostNameFilter = AppSettings["hostNameFilter"].Trim().Split(',').Where(w=>!string.IsNullOrWhiteSpace(w)).ToArray();
                 //RoomIds = AppSettings["roomIds"].Trim().Split(',').Where(w=>!string.IsNullOrWhiteSpace(w)).Select(s => long.Parse(s)).ToArray();
 
                 var printFilter = AppSettings["printFilter"].Trim().ToLower();