fix bug

@@ -30,10 +30,6 @@ public class EhCache implements CacheInterface {
 	@PostConstruct
 	private void init() {
 		InputStream inputStream = this.getClass().getClassLoader().getResourceAsStream("ehcache.xml");
-		if (inputStream == null) {
-			logger.error("url is null");
-			return;
-		}
 		this.manager = CacheManager.create(inputStream);
 		this.cache = manager.getCache("yohosearch");
 	}