联调完成

src/components/course-item/course-item.vue

@@ -57,6 +57,8 @@
 		height: 170rpx;
 		float: left;
 		position: relative;
+		border-radius: 20rpx;
+		overflow: hidden;
 		.img-box{
 			width: 170rpx;
 			height: 170rpx;

src/components/image-preview/image-preview.vue

@@ -1,5 +1,5 @@
 <template>
-	<image :src="imgUrlShow"></image>
+	<image :src="imgUrlShow" fit="cover"></image>
 	<!-- <image class="img" src="@/static/images/test/1.png"></image> -->
 </template>
 
@@ -42,6 +42,7 @@
 			getPreviewUrlBlob(id) {
 				// this.imgUrlShow = '@/static/images/index/message_b.png'
 				previewFile(id).then((res) => {
+					console.log(res)
 					this.imgUrlShow = URL.createObjectURL(res);
 					// const reader = new FileReader();
 					// reader.readAsDataURL(res)