diff --git a/platformapi/ebaiapi/activity.go b/platformapi/ebaiapi/activity.go
index b7329002..b56e00eb 100644
--- a/platformapi/ebaiapi/activity.go
+++ b/platformapi/ebaiapi/activity.go
@@ -183,7 +183,11 @@ 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(utils.Interface2String(result.Data), ","), nil
+		if str, ok := result.Data.(string); ok {
+			return strings.Split(str, ","), nil
+		} else {
+			return nil, err
+		}
 	}
 	return nil, err
 }
diff --git a/platformapi/ebaiapi/sku_test.go b/platformapi/ebaiapi/sku_test.go
index eb9b34e6..d2bf2596 100644
--- a/platformapi/ebaiapi/sku_test.go
+++ b/platformapi/ebaiapi/sku_test.go
@@ -25,7 +25,7 @@ func TestSkuBrandList(t *testing.T) {
 }
 
 func TestPictureUpload(t *testing.T) {
-	result, err := api.PictureUpload("http://image.jxc4.com/086d2ba561a93e88526b139b531cfef8.png", nil)
+	result, err := api.PictureUpload("https://www.jxcs.net/emoji/ceshi.gif", nil)
 	if err != nil {
 		t.Fatal(err)
 	} else {