diff --git a/default/src/main/java/cn/quickits/polaris/iconpacks/DefaultIconPacksEngine.kt b/default/src/main/java/cn/quickits/polaris/iconpacks/DefaultIconPacksEngine.kt
index 59c67db..bed1cb5 100644
--- a/default/src/main/java/cn/quickits/polaris/iconpacks/DefaultIconPacksEngine.kt
+++ b/default/src/main/java/cn/quickits/polaris/iconpacks/DefaultIconPacksEngine.kt
@@ -6,7 +6,7 @@ import cn.quickits.polaris.iconpacks.core.IconPacksEngine
 class DefaultIconPacksEngine : IconPacksEngine {
 
     override fun getFolderIcon(): Uri =
-            Uri.parse("file:///android_asset//folder.png")
+            Uri.parse("file:///android_asset/folder.png")
 
     override fun getFileExtensionIcon(extension: String?): Uri =
             Uri.parse("file:///android_asset/file_extension_icons/file_extension_${extension?.toLowerCase()}.png")