Merge branch 'dev4.5.2' of http://127.0.0.1:8080/qmx/jy into dev4.5.2

src/web/templates/pc/biddetail_rec.html

@@ -573,7 +573,7 @@ function isWechat() {
 						infoId:{{.T.obj._id}}
 					},
 					success:function(data){
-						if(data.data.attachment !=null && data.data.attachment.length!==0){
+						if(data.data && data.data.attachment !=null && data.data.attachment.length!==0){
 							var html = ''
 							for(var i=0;i<data.data.attachment.length;i++) {
 								html += "<div class='downs'>"+"<a class='menu_list' style='text-decoration:underline;color: #2CB7CA' href="+data.data.attachment[i].downurl+">"+(i+1)+"."+data.data.attachment[i].filename+"</a></div>"