diff --git a/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt b/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt
index 157371602..8294ace2e 100644
--- a/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt
+++ b/app/src/main/java/io/legado/app/model/localBook/LocalBook.kt
@@ -72,13 +72,6 @@ object LocalBook {
             path = uri.toString()
             val doc = DocumentFile.fromSingleUri(appCtx, uri)!!
             updateTime = doc.lastModified()
-            val bookFile = cacheFolder.getFile(doc.name!!)
-            if (!bookFile.exists()) {
-                bookFile.createNewFile()
-                doc.readBytes(appCtx).let { bytes ->
-                    bookFile.writeBytes(bytes)
-                }
-            }
             doc.name!!
         } else {
             path = uri.path!!
diff --git a/app/src/main/java/io/legado/app/model/localBook/TextFile.kt b/app/src/main/java/io/legado/app/model/localBook/TextFile.kt
index c48471edd..b875dafa9 100644
--- a/app/src/main/java/io/legado/app/model/localBook/TextFile.kt
+++ b/app/src/main/java/io/legado/app/model/localBook/TextFile.kt
@@ -51,7 +51,6 @@ class TextFile(private val book: Book) {
         }
     }
 
-    @Throws(FileNotFoundException::class)
     private fun analyze(
         bookFd: FileDescriptor,
         book: Book,