改分辨率

src/components/live-broadcast/runtime.ts

@@ -505,12 +505,12 @@ export const getTrack = async (
       cameraId: runtime.selectedCamera?.deviceId,
       faceMode: "user",
       frameRate: RTC.RCFrameRate.FPS_30,
-      resolution: RTC.RCResolution.W640_H480,
+      resolution: RTC.RCResolution.W1280_H720,
     })) as TrackResult;
   } else {
     res = (await runtime?.rtcClient?.createScreenVideoTrack("screenshare", {
       frameRate: RTC.RCFrameRate.FPS_30,
-      resolution: RTC.RCResolution.W640_H480,
+      resolution: RTC.RCResolution.W1280_H720,
     })) as TrackResult;
   }