diff --git a/app/src/main/java/io/legado/app/data/dao/BookDao.kt b/app/src/main/java/io/legado/app/data/dao/BookDao.kt
index 42e76ddd6..d7fa8e1cf 100644
--- a/app/src/main/java/io/legado/app/data/dao/BookDao.kt
+++ b/app/src/main/java/io/legado/app/data/dao/BookDao.kt
@@ -17,6 +17,9 @@ interface BookDao {
     @Query("SELECT * FROM books WHERE origin = '${BookType.local}' order by durChapterTime desc")
     fun observeLocal(): LiveData<List<Book>>
 
+    @Query("SELECT * FROM books WHERE origin <> '${BookType.local}' order by durChapterTime desc")
+    fun observeWeb(): LiveData<List<Book>>
+
     @Query("SELECT * FROM books WHERE `group` = :group")
     fun observeByGroup(group: Int): LiveData<List<Book>>
 
diff --git a/app/src/main/java/io/legado/app/help/BookHelp.kt b/app/src/main/java/io/legado/app/help/BookHelp.kt
index e6f17134a..5070a74dc 100644
--- a/app/src/main/java/io/legado/app/help/BookHelp.kt
+++ b/app/src/main/java/io/legado/app/help/BookHelp.kt
@@ -35,8 +35,15 @@ object BookHelp {
         FileHelp.getFolder(getBookCachePath())
     }
 
+    @Synchronized
     fun saveContent(book: Book, bookChapter: BookChapter, content: String) {
         if (content.isEmpty()) return
+        FileHelp.getFolder(getBookFolder(book)).listFiles()?.forEach {
+            if (it.name.startsWith(String.format("%05d", bookChapter.index))) {
+                it.delete()
+                return@forEach
+            }
+        }
         val filePath = getChapterPath(book, bookChapter)
         val file = FileHelp.getFile(filePath)
         file.writeText(content)
@@ -74,11 +81,15 @@ object BookHelp {
         }
     }
 
-    private fun getChapterPath(book: Book, bookChapter: BookChapter): String {
+    private fun getBookFolder(book: Book): String {
         val bookFolder = formatFolderName(book.name + book.bookUrl)
+        return "${getBookCachePath()}${File.separator}$bookFolder"
+    }
+
+    private fun getChapterPath(book: Book, bookChapter: BookChapter): String {
         val chapterFile =
             String.format("%05d-%s", bookChapter.index, MD5Utils.md5Encode(bookChapter.title))
-        return "${getBookCachePath()}${File.separator}$bookFolder${File.separator}$chapterFile.nb"
+        return "${getBookFolder(book)}${File.separator}$chapterFile.nb"
     }
 
     private fun formatFolderName(folderName: String): String {
diff --git a/app/src/main/java/io/legado/app/ui/download/DownloadActivity.kt b/app/src/main/java/io/legado/app/ui/download/DownloadActivity.kt
index 2ae90c8a5..633d38ca9 100644
--- a/app/src/main/java/io/legado/app/ui/download/DownloadActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/download/DownloadActivity.kt
@@ -4,6 +4,7 @@ import android.os.Bundle
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.Observer
 import androidx.recyclerview.widget.LinearLayoutManager
+import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.BaseActivity
 import io.legado.app.data.entities.Book
@@ -28,6 +29,7 @@ class DownloadActivity : BaseActivity(R.layout.activity_download) {
 
     private fun initLiveData() {
         bookshelfLiveData?.removeObservers(this)
+        bookshelfLiveData = App.db.bookDao().observeWeb()
         bookshelfLiveData?.observe(this, Observer {
             adapter.setItems(it)
         })
diff --git a/app/src/main/java/io/legado/app/ui/download/DownloadAdapter.kt b/app/src/main/java/io/legado/app/ui/download/DownloadAdapter.kt
index 8407633ff..c6825041f 100644
--- a/app/src/main/java/io/legado/app/ui/download/DownloadAdapter.kt
+++ b/app/src/main/java/io/legado/app/ui/download/DownloadAdapter.kt
@@ -5,14 +5,17 @@ import io.legado.app.R
 import io.legado.app.base.adapter.ItemViewHolder
 import io.legado.app.base.adapter.SimpleRecyclerAdapter
 import io.legado.app.data.entities.Book
+import kotlinx.android.synthetic.main.item_download.view.*
 
 
 class DownloadAdapter(context: Context) :
     SimpleRecyclerAdapter<Book>(context, R.layout.item_download) {
 
-
     override fun convert(holder: ItemViewHolder, item: Book, payloads: MutableList<Any>) {
-
+        with(holder.itemView) {
+            tv_name.text = item.name
+            tv_author.text = item.author
+        }
     }
 
 }
\ No newline at end of file