diff --git a/index.go b/index.go
index fd03b39..4d83ab4 100644
--- a/index.go
+++ b/index.go
@@ -9,6 +9,18 @@ import (
 	meituanunion "gitee.com/chengdu-lenntc/third-platform-sdk/platform/meituan-union"
 )
 
+// Platform 第三方平台
+const (
+	// PlatformElemeUnion 饿了么联盟
+	PlatformElemeUnion = "ele"
+	// PlatformMeituanCsr 美团分销联盟
+	PlatformMeituanCsr = "meituan_csr"
+	// PlatformMeituanUnion 美团联盟
+	PlatformMeituanUnion = "meituan_union"
+	// PlatformDidiUnion 滴滴联盟
+	PlatformDidiUnion = "didi_union"
+)
+
 // NewElemeUnionApi 饿了么联盟
 func NewElemeUnionApi(log logx.Logger, conf elemeunion.AuthConfig) elemeunion.ElemeUnionApi {
 	return elemeunion.NewApiClient(log, conf)