diff --git a/r2/README.md b/r2/README.md
index f49416f..3d12fb9 100644
--- a/r2/README.md
+++ b/r2/README.md
@@ -5,7 +5,7 @@
 ## Usage
 
 ```go
-import "https://github.com/creaplus/oss"
+import "https://github.com/cassdor/oss"
 
 func main() {
   storage := r2.New(&r2.Config{{
diff --git a/r2/r2_test.go b/r2/r2_test.go
index 2c1501f..4e4d8c4 100644
--- a/r2/r2_test.go
+++ b/r2/r2_test.go
@@ -9,11 +9,11 @@ import (
 )
 
 type Config struct {
-	AccountId       string `env:"CREAPLUS_CF_R2_Account_ID"`
-	AccessKeyId     string `env:"CREAPLUS_CF_R2_ACCESS_KEY_ID"`
-	AccessKeySecret string `env:"CREAPLUS_CF_R2_ACCESS_KEY_SECRET"`
-	Bucket          string `env:"CREAPLUS_CF_R2_BUCKET"`
-	Endpoint        string `env:"CREAPLUS_CF_R2_ENDPOINT"`
+	AccountId       string `env:"CF_R2_Account_ID"`
+	AccessKeyId     string `env:"CF_R2_ACCESS_KEY_ID"`
+	AccessKeySecret string `env:"CF_R2_ACCESS_KEY_SECRET"`
+	Bucket          string `env:"CF_R2_BUCKET"`
+	Endpoint        string `env:"CF_R2_ENDPOINT"`
 }
 
 var (