diff --git a/super-screen/client/src/sections/water-prevention/components/right-bottom.js b/super-screen/client/src/sections/water-prevention/components/right-bottom.js
index 3c15d0b..2b5a9d0 100644
--- a/super-screen/client/src/sections/water-prevention/components/right-bottom.js
+++ b/super-screen/client/src/sections/water-prevention/components/right-bottom.js
@@ -28,7 +28,7 @@ function DataTop5(props) {
             // key={Math.random()}
             defaultValue={videoList[0]?.url}
             // value={showVideoList}
-            onChange={(value) => { setShowVideoList(value); }}
+            onChange={(value) => { setShowVideoList(recUrlToLiveUrl(value)); }}
         >
             {videoList.map(s => <Option key={s.url} value={s.url}>{s.name}</Option>)}
         </Select>
@@ -58,4 +58,9 @@ function DataTop5(props) {
 
 export default DataTop5;
 
+function recUrlToLiveUrl(url) {
+    if (!url) return undefined;
+    return url.replace('.rec', '.live');
+}
+