diff --git a/main.js b/main.js
index 363341d..225d2a7 100644
--- a/main.js
+++ b/main.js
@@ -317,6 +317,7 @@ app.on('ready', () => {
             childWindow[config.key] = child
             child.once('ready-to-show', () => {
                 childWindow[config.key].show()
+                childWindow[config.key].setAlwaysOnTop(true)
                 windowOperation(config)
             })
             child.webContents.on('before-input-event', (event, input) => {
diff --git a/src/page/Meeting/index.tsx b/src/page/Meeting/index.tsx
index ce50e21..00768c9 100644
--- a/src/page/Meeting/index.tsx
+++ b/src/page/Meeting/index.tsx
@@ -1515,7 +1515,9 @@ const Meeting: React.FC = () => {
   const getDesktopCapturerVideo = (): void => {
     agora.getDesktopCapturerVideo({ width: 300, height: 300 }, { width: 300, height: 300 }, true).then((res: any) => {
       res.forEach((item: any, index: number) => {
-        item.sourceTitle = '桌面' + (index + 1)
+        if (item.type === 1) {
+          item.sourceTitle = '桌面' + (index + 1)
+        }
         if (item.thumbImage.buffer) {
           item.thumbnailUrl = thumbImageBufferToBase64(item.thumbImage)
         }