diff --git a/src/main/java/com/aliyun/oss/internal/OSSObjectOperation.java b/src/main/java/com/aliyun/oss/internal/OSSObjectOperation.java
index 113818a8..49f7f270 100644
--- a/src/main/java/com/aliyun/oss/internal/OSSObjectOperation.java
+++ b/src/main/java/com/aliyun/oss/internal/OSSObjectOperation.java
@@ -243,6 +243,7 @@ public SelectObjectMetadata createSelectObjectMetadata(CreateSelectObjectMetadat
             while (warppedStream.read() != -1) {
                 //read until eof
             }
+            warppedStream.close();
             return selectObjectMetadata;
         } catch (IOException e) {
             publishProgress(selectProgressListener, ProgressEventType.SELECT_FAILED_EVENT);