diff --git a/platform/jd-union/api.go b/platform/jd-union/api.go
index bf23d27..4a89faf 100644
--- a/platform/jd-union/api.go
+++ b/platform/jd-union/api.go
@@ -124,9 +124,6 @@ func (t *jdUnionApiImpl) PromotionLink(req PromotionLinkRequest) (*PromotionLink
 		"positionId": req.PositionId,
 		"siteId":     req.SiteId,
 	}
-	if req.PositionId > 0 {
-		params["positionId"] = req.PositionId
-	}
 	requestPrams := map[string]any{
 		"promotionCodeReq": params,
 	}
diff --git a/platform/zhetaoke/api.go b/platform/zhetaoke/api.go
index 0ffb0ff..7897848 100644
--- a/platform/zhetaoke/api.go
+++ b/platform/zhetaoke/api.go
@@ -32,9 +32,7 @@ func (z *zheTaoKeApiImpl) PromotionLink(req PromotionLinkRequest) (*PromotionLin
 		"unionId":    z.client.authConfig.UnionId,
 		"materialId": req.MaterialId,
 		"chainType":  req.ChainType,
-	}
-	if req.PositionId > 0 {
-		params["positionId"] = req.PositionId
+		"positionId": req.PositionId,
 	}
 
 	request := &client.HttpRequest{Headers: z.client.headers, QueryArgs: params}
diff --git a/platform/zhetaoke/api_test.go b/platform/zhetaoke/api_test.go
index 92788fa..d81136b 100644
--- a/platform/zhetaoke/api_test.go
+++ b/platform/zhetaoke/api_test.go
@@ -23,16 +23,16 @@ func TestApiClient(t *testing.T) {
 func (a *apiClientSuite) SetupSuite() {
 	log := logx.WithContext(context.Background())
 	apiClient := NewApiClient(log, AuthConfig{
-		AppKey:  "",
-		UnionId: "",
+		AppKey:  "de6307e7af054f69bd2506696d96e47d",
+		UnionId: "2036695914",
 	})
 	a.api = apiClient
 }
 
 func (a *apiClientSuite) Test_PromotionLink() {
 	data := PromotionLinkRequest{
-		MaterialId: "https://u.jd.com/rDPUXnL", //推广物料url，例如活动链接、商品链接等；支持仅传入skuid
-		PositionId: 100343888999,               //自定义推广位id，自定义的数字，自己在本地跟用户做好关联，订单中会透出自定义的数字
+		MaterialId: "https://u.jd.com/r6NhFBF", //推广物料url，例如活动链接、商品链接等；支持仅传入skuid
+		PositionId: 131,                        //自定义推广位id，自定义的数字，自己在本地跟用户做好关联，订单中会透出自定义的数字
 		ChainType:  3,                          //	转链类型，1：长链， 2 ：短链 ，3： 长链+短链，默认短链，短链有效期60天
 	}
 	resp, err := a.api.PromotionLink(data)