multiple article tested (if >8 only take 8)

outMsg.go

 
 func buildSampleArticleMsg(ToUserName string) (msg string) {
 	art := Article{}
-	art.title = "bcti"
-	art.description = "f;alsfjl;dsajfls;ajfl;sajl;fjdsal;fsdla;\nfjsdal;fjasd;lfdas;\n"
+	art.title = "标题描述很长，不知道多少汉字"
+	art.description = "f;alsfjl;dsajfls;ajfl;sajl;fjdsal;fs"
 	art.picURL = "http://placehold.it/360x200"
 	art.url = "http://doc.biukop.com.au/"
 
 	articles := []Article{}
 	articles = append(articles, art)
 	articles = append(articles, art)
-	articles = append(articles, art)
 	msg = buildNewsMsg(ToUserName, "标题", "描述", articles)
 	return
 }