fix bug

apps/news/Tpl/default/Topic/index_w3g.html

@@ -129,7 +129,7 @@
 								return {
 								return {
 									id: r.id,
 									id: r.id,
 									title: r.title,
 									title: r.title,
-									cover: r.image,
+									cover: r.cover,
 									time: d.format("yyyy-MM-dd")
 									time: d.format("yyyy-MM-dd")
 								}
 								}
 							}))
 							}))