diff --git a/src/saas/AppCountryAlbum/WatermarkSetting.vue b/src/saas/AppCountryAlbum/WatermarkSetting.vue
index 9b62cb33..e736b9ec 100644
--- a/src/saas/AppCountryAlbum/WatermarkSetting.vue
+++ b/src/saas/AppCountryAlbum/WatermarkSetting.vue
@@ -74,7 +74,7 @@
       save () {
         uni.$emit('change', {
           type: 'watermark',
-          value: this.chooseIndex > -1 ? this.chooseIndex : ''
+          value: this.chooseIndex > -1 ? String(this.chooseIndex) : ''
         })
         uni.navigateBack({
           delta: 1