背景图优化

src/views/yqrange/create-live.vue

@@ -479,7 +479,7 @@
         <el-radio-group v-model="formData.backgroundImageId">
           <div class="radio-background" v-for="(item, index) in formData.backgroundImages" :key="index">
           <el-radio :label="item.backgroundImageId"></el-radio>
-          <img class="background-img" src="item.imageUrl" />
+          <img class="background-img" :src="item.imageUrl" />
           </div>
           <!--<div class="radio-background">-->
             <!--<el-radio :label="6"></el-radio>-->