diff --git a/platformapi/ebaiapi/activity.go b/platformapi/ebaiapi/activity.go
index 27b8f5b0..4bf6591a 100644
--- a/platformapi/ebaiapi/activity.go
+++ b/platformapi/ebaiapi/activity.go
@@ -145,7 +145,7 @@ func (a *API) ActivitySkuAddBatch(activityID int64, shopID string, baiduShopID i
 	params[skusKey] = skuList2Str(activityType, skuList, isSkuIDCustom)
 	result, err := a.AccessAPI("activity.sku.add.batch", params)
 	if err == nil {
-		return strings.Split(result.Data.(string), ","), nil
+		return strings.Split(utils.Interface2String(result.Data), ","), nil
 	}
 	return nil, err
 }
@@ -180,7 +180,7 @@ func (a *API) ActivitySkuDeleteBatch(activityID int64, shopID string, baiduShopI
 	params[skusKey] = strings.Join(skuIDs, ",")
 	result, err := a.AccessAPI("activity.sku.delete.batch", params)
 	if err == nil {
-		return strings.Split(result.Data.(string), ","), nil
+		return strings.Split(utils.Interface2String(result.Data), ","), nil
 	}
 	return nil, err
 }
@@ -236,7 +236,7 @@ func (a *API) ActivitySkuUpdateBatch(activityID int64, actSkuInfoList []*Activit
 		"act_sku_info": actSkuInfoList,
 	})
 	if err == nil {
-		return strings.Split(result.Data.(string), ";"), nil
+		return strings.Split(utils.Interface2String(result.Data), ";"), nil
 	}
 	return nil, err
 }