优化

app/src/main/java/io/legado/app/ui/book/local/ImportBookActivity.kt

@@ -165,10 +165,7 @@ class ImportBookActivity : VMBaseActivity<ImportBookViewModel>(R.layout.activity
             adapter.selectedUris.clear()
             adapter.clearItems()
             launch(IO) {
-                val docList = DocumentUtils.listFiles(
+                val docList = DocumentUtils.listFiles(this@ImportBookActivity, lastDoc.uri)
-                    this@ImportBookActivity,
-                    lastDoc.uri
-                )
                 for (i in docList.lastIndex downTo 0) {
                     val item = docList[i]
                     if (item.name.startsWith(".")) {