diff --git a/src/main/java/com/fanruan/fs/s3/repository/core/S3ResourceRepository.java b/src/main/java/com/fanruan/fs/s3/repository/core/S3ResourceRepository.java
index 6fcb290..6a25448 100644
--- a/src/main/java/com/fanruan/fs/s3/repository/core/S3ResourceRepository.java
+++ b/src/main/java/com/fanruan/fs/s3/repository/core/S3ResourceRepository.java
@@ -101,7 +101,10 @@ public class S3ResourceRepository extends BaseResourceRepository {
         } catch (Exception e) {
             LogKit.info("{} not exist!", path);
         }
-
+        if (!path.endsWith(DELIMITER)) {
+            path = path + DELIMITER;
+            return getEntry(path);
+        }
         return null;
     }
 
@@ -409,16 +412,11 @@ public class S3ResourceRepository extends BaseResourceRepository {
 
     @Override
     public boolean isDirectory(String path) {
-        if (path.endsWith(DELIMITER)) {
-            return exist(path);
+        if (!path.endsWith(DELIMITER) && fileExist(path)) {
+            //是文件
+            return false;
         } else {
-            ObjectListing listing = s3.listObjects(bucket, path);
-            List<S3ObjectSummary> objectSummaries = listing.getObjectSummaries();
-            if (objectSummaries.isEmpty()) {
-                return false;
-            }
-            String dirFormat = path + DELIMITER;
-            return objectSummaries.stream().anyMatch(s3ObjectSummary -> StringUtils.equals(s3ObjectSummary.getKey(), dirFormat));
+            return dirExist(path) || isParentPathAbsent(path);
         }
     }