视频墙太扁问题修改（增加下拉框，取消高度按个数压缩）

src/views/videoWall/index.vue

@@ -1,10 +1,10 @@
 <template>
-    <div id="videos">
+    <div id="videos" style="overflow-y:scroll">
         
         <a-button type="primary" @click="full" v-if="!isFullscreen"> 全屏<a-icon type="right" /> </a-button>
         <a-button type="primary" @click="full" v-if="isFullscreen"><a-icon type="left" /> 退出全屏 </a-button>
         <a-row v-for='rowIndex in row' :key='rowIndex'>
-            <a-col v-for='colIndex in column' :key='colIndex' :span="24/column" :style="{height: videoHeight}" >
+            <a-col v-for='colIndex in column' :key='colIndex' :span="24/column" >
                 <video class="camera" :id="rowIndex+'-'+colIndex" autoplay muted :style="{'height': '100%',width:'100%','object-fit':'fill'}" ></video>
             </a-col>
         </a-row>
@@ -101,7 +101,7 @@ export default {
             this.$api.httpApi.getAllCameras({
                 params: {
                     //todo index是分组，一个填0  ，另一个填1
-                    index: 1
+                    index: 0
                 }
             }).then(res => {
                 if(res.code == 200) {