调整了UI细节。review by yushui。

@@ -50,7 +50,7 @@ export default class HotCategoryList extends Component{
             return null;
         }
 
-		let imageUrl = SlicedImage.getSlicedUrl(rowData.get("default_images"), 82, 110, 2);
+		let imageUrl = SlicedImage.getSlicedUrl(rowData.get("default_images"), 82, 109, 2);
 		// let categoryName = rowData.get("category_name");
 
 		//数据类型，纯文字型和图片型，列表中会出现纯文本的情况,比如MORE
@@ -165,11 +165,12 @@ let styles = StyleSheet.create({
 		paddingRight: 8.5 * DEVICE_WIDTH_RATIO,
 		justifyContent: 'center',
 		alignItems: 'center',
+		backgroundColor: '#f5f7f6',
 	},
 
 	rowThumbnail:{
 		width: 41 * DEVICE_WIDTH_RATIO,
-		height: 55 * DEVICE_WIDTH_RATIO,
+		height: 56 * DEVICE_WIDTH_RATIO,
 	},
 
 	rowTextContainer:{