diff --git a/ksyun.go b/ksyun.go
index 8b6f6d3..caac6c7 100644
--- a/ksyun.go
+++ b/ksyun.go
@@ -1,7 +1,6 @@
 package gostorage
 
 import (
-	"bytes"
 	"github.com/ks3sdklib/aws-sdk-go/aws"
 	"github.com/ks3sdklib/aws-sdk-go/aws/credentials"
 	"github.com/ks3sdklib/aws-sdk-go/service/s3"
@@ -47,10 +46,10 @@ func (c *Ksyun) PutObject(file io.Reader, filePath, fileName, acl string) (resp
 		objectKey = filePath + "/" + fileName
 	}
 	params := &s3.PutObjectInput{
-		Bucket:      aws.String(c.BucketName),
-		Key:         aws.String(objectKey),
-		ACL:         aws.String(acl),
-		Body:        bytes.NewReader(file),
+		Bucket: aws.String(c.BucketName),
+		Key:    aws.String(objectKey),
+		ACL:    aws.String(acl),
+		//Body:        bytes.NewReader(file),
 		ContentType: aws.String("application/octet-stream"),
 	}
 	_, err = c.client.PutObject(params)
diff --git a/version.go b/version.go
index 9606dec..d77e50d 100644
--- a/version.go
+++ b/version.go
@@ -1,3 +1,3 @@
 package gostorage
 
-const Version = "1.0.2"
+const Version = "1.0.3"