修复默认分辨率错误问题

src/api/camera/camera-preview.ts

@@ -285,7 +285,7 @@ export const getCameraParamsApi = (cameraId: number) => {
   let jsonData = {
     startTime: '',
     endTime: '',
-    imageResolution: '1920',
+    imageResolution: 1,
     recordPeriod: 20,
     /** 这个要调整一下 */
     reservation: '10',