修复bug

app/src/main/java/io/legado/app/model/webBook/BookContent.kt

@@ -97,7 +97,7 @@ object BookContent {
         val replaceRegex = bookSource.ruleContent?.replaceRegex
         if (!replaceRegex.isNullOrEmpty()) {
             val analyzeRule = AnalyzeRule(book)
-            analyzeRule.setContent(body, baseUrl)
+            analyzeRule.setContent(contentStr, baseUrl)
             analyzeRule.chapter = bookChapter
             contentStr = analyzeRule.getString(replaceRegex)
         }

app/src/main/java/io/legado/app/ui/rss/read/ReadRssActivity.kt

@@ -160,6 +160,7 @@ class ReadRssActivity : VMBaseActivity<ReadRssViewModel>(R.layout.activity_rss_r
                 request.setAllowedOverRoaming(true)
                 // 允许下载的网路类型
                 request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI)
+                request.setNotificationVisibility(DownloadManager.Request.VISIBILITY_VISIBLE)
                 // 设置下载文件保存的路径和文件名
                 request.setDestinationInExternalPublicDir(Environment.DIRECTORY_DOWNLOADS, fileName)
                 val downloadManager = getSystemService(DOWNLOAD_SERVICE) as DownloadManager