diff --git a/example.go b/example.go
index b7a8576..a382089 100644
--- a/example.go
+++ b/example.go
@@ -1,4 +1,4 @@
-package main
+package aliyun_oss
 
 import "fmt"
 
diff --git a/file.go b/file.go
index c330f2b..49a7978 100644
--- a/file.go
+++ b/file.go
@@ -1,4 +1,4 @@
-package main
+package aliyun_oss
 
 import (
 	"fmt"
diff --git a/oss_client.go b/oss_client.go
index aae7f18..c92c196 100644
--- a/oss_client.go
+++ b/oss_client.go
@@ -1,4 +1,4 @@
-package main
+package aliyun_oss
 
 import (
 	"github.com/aliyun/aliyun-oss-go-sdk/oss"
diff --git a/oss_operation.go b/oss_operation.go
index 34b14b8..1d5fe2f 100644
--- a/oss_operation.go
+++ b/oss_operation.go
@@ -1,4 +1,4 @@
-package main
+package aliyun_oss
 
 import (
 	"bytes"
diff --git a/oss_test.go b/oss_test.go
index dd303cb..dea5c53 100644
--- a/oss_test.go
+++ b/oss_test.go
@@ -1,4 +1,4 @@
-package main
+package aliyun_oss
 
 import (
 	"fmt"