diff --git a/AliyunOSSiOSTests/OSSTestMacros.h b/AliyunOSSiOSTests/OSSTestMacros.h
index 81bf9b8f..7974daa4 100644
--- a/AliyunOSSiOSTests/OSSTestMacros.h
+++ b/AliyunOSSiOSTests/OSSTestMacros.h
@@ -15,6 +15,7 @@
 #define OSS_BUCKET_PUBLIC               @"public"
 #define OSS_BUCKET_PRIVATE              @"private"
 #define OSS_ENDPOINT                    @"http://oss-cn-region.aliyuncs.com"
+#define OSS_IMG_ENDPOINT                @"http://img-cn-region.aliyuncs.com"
 #define OSS_MULTIPART_UPLOADKEY         @"multipart_key"
 #define OSS_RESUMABLE_UPLOADKEY         @"resumable_key"
 #define OSS_CALLBACK_URL                @"http://oss-demo.aliyuncs.com:23450"