diff --git a/src/api/home.js b/src/api/home.js
index 0d6174d..1747058 100644
--- a/src/api/home.js
+++ b/src/api/home.js
@@ -50,6 +50,9 @@ export function getRegionsListApi(data){
 
 // 获取视频播放地址
 export function getPreviewUrlApi(data) {
+  if(data.cameraIndexCode==undefined || !data.cameraIndexCode){
+    return null;
+  }
   return request({
     url: '/fjtcc-api/api/largeScreen/video/getPreviewUrl',
     method: 'post',
@@ -139,4 +142,4 @@ export function getSpotVisitor(data) {
     method: 'get',
     data
   })
-}
\ No newline at end of file
+}