diff --git a/app/src/main/java/io/legado/app/ui/association/FileAssociationActivity.kt b/app/src/main/java/io/legado/app/ui/association/FileAssociationActivity.kt
index 673e174e0..6ff5d65a7 100644
--- a/app/src/main/java/io/legado/app/ui/association/FileAssociationActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/association/FileAssociationActivity.kt
@@ -26,6 +26,7 @@ class FileAssociationActivity :
 
     private val localBookTreeSelect = registerForActivityResult(HandleFileContract()) {
         it.uri?.let { treeUri ->
+            AppConfig.defaultBookTreeUri = treeUri.toString()
             intent.data?.let { uri ->
                 importBook(treeUri, uri)
             }