diff --git a/package.json b/package.json
index 72160d0..5c11a29 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "media_player_client",
-  "version": "1.4.21",
+  "version": "1.4.22",
   "description": "A Quasar Framework app",
   "productName": "MediaPlayerClient",
   "author": "fangxiang <fangxiang@cloudview.work>",
diff --git a/src/components/PollingSettingDialog.vue b/src/components/PollingSettingDialog.vue
index 8c182f7..84c12ba 100644
--- a/src/components/PollingSettingDialog.vue
+++ b/src/components/PollingSettingDialog.vue
@@ -320,6 +320,8 @@ export default defineComponent({
       },
       showDialog(name: string, options: StringKeyValueEntity[] | null) {
         show_dialog.value = true;
+        signals.value = GlobalData.getInstance().signal_source;
+
         if (options) {
           datas.value = [];
           if (options.length % 2) {
@@ -345,8 +347,8 @@ export default defineComponent({
             _resolve = null;
           }
           _resolve = resolve;
-
           show_dialog.value = true;
+          signals.value = GlobalData.getInstance().signal_source;
           if (options) {
             datas.value = [];
 
diff --git a/src/pad/ContentWall.vue b/src/pad/ContentWall.vue
index a07e6fc..75e140c 100644
--- a/src/pad/ContentWall.vue
+++ b/src/pad/ContentWall.vue
@@ -739,16 +739,11 @@ export default defineComponent({
                       switch (evt.type) {
                         case "polling":
                           {
-                            if (signal_sources.length) {
-                              const signal_source = signal_sources[0];
-                              if (signal_source) {
-                                client?.replaceWindow2(
-                                  window.window_id,
-                                  evt.data.uuid,
-                                  true
-                                );
-                              }
-                            }
+                            client?.replaceWindow2(
+                              window.window_id,
+                              evt.data.uuid,
+                              true
+                            );
                           }
 
                           break;