diff --git a/app/src/main/java/io/legado/app/ui/book/cache/CacheActivity.kt b/app/src/main/java/io/legado/app/ui/book/cache/CacheActivity.kt
index 3d48b3136..02ec43c73 100644
--- a/app/src/main/java/io/legado/app/ui/book/cache/CacheActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/cache/CacheActivity.kt
@@ -339,6 +339,7 @@ class CacheActivity : VMBaseActivity<ActivityCacheBookBinding, CacheViewModel>()
                         etInputScope.error = null
                         val toInt = etEpubSize.text.toString().toInt()
                         startExport(path, position, toInt, text.toString())
+                        alertDialog.hide();
                     }
                 }