View difference between Paste ID: L7KpNaWe and iMVzeNhg

 (function($, jn) {
 
 	if(_Janetter_Window_Type=="main" || _Janetter_Window_Type=="profile" || _Janetter_Window_Type=="notice"){
 
-		// entitiesにextended_entitiesを統合(やっつけ)
+		// entitiesにextended_entitiesを統合
 		var _init = jn.tweetController.prototype.init;
 		jn.tweetController.prototype.init = function (juid, item, options, autoread){
-			if(item && item.entities && item.extended_entities){
+			if(item){
-				item.entities.extended_media = item.extended_entities.media || [];
+				if(item.entities && item.extended_entities){
 					item.entities.extended_media = item.extended_entities.media || [];
 				}
 				if(item.retweeted_status && item.retweeted_status.entities && item.retweeted_status.extended_entities){
 					item.retweeted_status.entities.extended_media = item.retweeted_status.extended_entities.media || [];
 				}
 			}
 			return _init.apply(this, arguments);
 		};
 
 		// entitiesLinkの修正
 		var linkExtendedEntities = function(entities){
 			var text = '';
 			if(entities.extended_media){
 				entities.extended_media.slice(1).forEach(function(e, i){
 					var link = '<a hidden href="%1" class="link" title="%2"%3%4%5>%6</a>'.format(
 						e.url,
 						(e.expanded_url || e.url).decodeURI().htmlEncode(true),
 						/* そのままだとexpandedが同値になってサムネイル表示してくれないため、#付けて無理やり変える */
 						e.expanded_url ? ' expanded="' + e.expanded_url.htmlEncode(true) + '#' + (i+2) + '"' : '',
 						e.media_url ? ' media="' + e.media_url.htmlEncode(true) + '"' : '',
 						e.type ? ' type="' + e.type.htmlEncode(true) + '"' : '',
 						e.display_url ? e.display_url.htmlEncode(true) : e.url.htmlEncode(true)
 					);
 					text += link;
 				});
 			}
-			this.html(this.html + linkExtendedEntities(entities));
+
 		};
 		var _fn_entitiesLink = $.fn.entitiesLink;
 		$.fn.entitiesLink = function(entities){
 			_fn_entitiesLink.call(this, entities);
 			this.html(this.html() + linkExtendedEntities(entities));
 			return this;
 		};
 		var _str_entitiesLink = String.prototype.entitiesLink;
 		String.prototype.entitiesLink = function(entities){
 			return _str_entitiesLink.call(this, entities) + linkExtendedEntities(entities);
 		};
 	}
 
 })(jQuery, janet);