diff --git a/app/src/main/assets/updateLog.md b/app/src/main/assets/updateLog.md
index 40348af60..c964cd83e 100644
--- a/app/src/main/assets/updateLog.md
+++ b/app/src/main/assets/updateLog.md
@@ -3,6 +3,12 @@
 * 关注合作公众号 **[小说拾遗]()** 获取好看的小说。
 - 旧版数据导入教程：先在旧版阅读(2.x)中进行备份，然后在新版阅读(3.x)【我的】->【备份与恢复】，选择【导入旧版本数据】。
 
+**2020/09/17**
+* 优化正文搜索文字颜色
+* 优化书源校验 by KKL369
+* 缓存导出到webDav by 10bits
+* 导入的字体在字体选择界面显示
+
 **2020/09/15**
 * 修复导入排版字体重复报错的bug
 * 添加正文搜索 by [h11128](https://github.com/h11128)
diff --git a/app/src/main/java/io/legado/app/constant/PreferKey.kt b/app/src/main/java/io/legado/app/constant/PreferKey.kt
index c6e222849..3e89dd2e2 100644
--- a/app/src/main/java/io/legado/app/constant/PreferKey.kt
+++ b/app/src/main/java/io/legado/app/constant/PreferKey.kt
@@ -33,6 +33,7 @@ object PreferKey {
     const val webDavAccount = "web_dav_account"
     const val webDavPassword = "web_dav_password"
     const val webDavCreateDir = "webDavCreateDir"
+    const val webDavExport = "webDavExport"
     const val changeSourceLoadToc = "changeSourceLoadToc"
     const val chineseConverterType = "chineseConverterType"
     const val launcherIcon = "launcherIcon"
diff --git a/app/src/main/java/io/legado/app/help/storage/WebDavHelp.kt b/app/src/main/java/io/legado/app/help/storage/WebDavHelp.kt
index e728c28de..327ed5fda 100644
--- a/app/src/main/java/io/legado/app/help/storage/WebDavHelp.kt
+++ b/app/src/main/java/io/legado/app/help/storage/WebDavHelp.kt
@@ -10,10 +10,7 @@ import io.legado.app.help.coroutine.Coroutine
 import io.legado.app.lib.dialogs.selector
 import io.legado.app.lib.webdav.WebDav
 import io.legado.app.lib.webdav.http.HttpAuth
-import io.legado.app.utils.FileUtils
-import io.legado.app.utils.ZipUtils
-import io.legado.app.utils.getPrefBoolean
-import io.legado.app.utils.getPrefString
+import io.legado.app.utils.*
 import kotlinx.coroutines.Dispatchers.IO
 import kotlinx.coroutines.Dispatchers.Main
 import kotlinx.coroutines.withContext
@@ -125,4 +122,24 @@ object WebDavHelp {
             }
         }
     }
+    fun exportWebDav(path: String, fileName: String) {
+        try {
+            if (initWebDav()) {
+                //默认导出到legado文件夹下exports目录
+                val exportsWebDavUrl = rootWebDavUrl + EncoderUtils.escape("exports") + "/"
+                //在legado文件夹创建exports目录,如果不存在的话
+                WebDav(exportsWebDavUrl).makeAsDir()
+                val file = File("${path}${File.separator}${fileName}")
+                //如果导出的本地文件存在,开始上传
+                if(file.exists()){
+                    val putUrl = exportsWebDavUrl + fileName
+                    WebDav(putUrl).upload("${path}${File.separator}${fileName}")
+                }
+            }
+        } catch (e: Exception) {
+            Handler(Looper.getMainLooper()).post {
+                App.INSTANCE.toast("WebDav导出\n${e.localizedMessage}")
+            }
+        }
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt
index f9ed9230f..74160e71d 100644
--- a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt
+++ b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt
@@ -343,7 +343,7 @@ class AnalyzeRule(var book: BaseBook? = null) : JsExtensions {
             }
         }
         evalMatcher.appendTail(stringBuffer)
-        val replaceRegex = stringBuffer.toString()
+        val replaceRegex = Pattern.quote(stringBuffer.toString())
         if (replaceRegex.isNotEmpty()) {
             vResult = if (rule.replaceFirst) {
                 val pattern = Pattern.compile(replaceRegex)
@@ -466,15 +466,8 @@ class AnalyzeRule(var book: BaseBook? = null) : JsExtensions {
             //分离put
             rule = splitPutRule(rule, putMap)
             //分离正则表达式
-            val index = rule.indexOf("}}")
-            var rule1 = ""
-            var rule2 = rule
-            if (index > 0) {
-                rule1 = rule.substring(0, index)
-                rule2 = rule.substring(index)
-            }
-            val ruleStrS = rule2.trim { it <= ' ' }.split("##")
-            rule = rule1 + ruleStrS[0]
+            val ruleStrS = rule.trim { it <= ' ' }.split("##")
+            rule = ruleStrS[0]
             if (ruleStrS.size > 1) {
                 replaceRegex = ruleStrS[1]
             }
diff --git a/app/src/main/java/io/legado/app/ui/book/cache/CacheViewModel.kt b/app/src/main/java/io/legado/app/ui/book/cache/CacheViewModel.kt
index 0673aaaab..afc78bc37 100644
--- a/app/src/main/java/io/legado/app/ui/book/cache/CacheViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/book/cache/CacheViewModel.kt
@@ -7,8 +7,10 @@ import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.BaseViewModel
 import io.legado.app.constant.AppPattern
+import io.legado.app.constant.PreferKey
 import io.legado.app.data.entities.Book
 import io.legado.app.help.BookHelp
+import io.legado.app.help.storage.WebDavHelp
 import io.legado.app.utils.*
 import java.io.File
 
@@ -34,8 +36,21 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
     }
 
     private fun export(doc: DocumentFile, book: Book) {
-        DocumentUtils.createFileIfNotExist(doc, "${book.name} 作者:${book.author}.txt")
-            ?.writeText(context, getAllContents(book))
+        val filename = "${book.name} by ${book.author}.txt"
+        val content = getAllContents(book)
+        DocumentUtils.createFileIfNotExist(doc, filename)
+            ?.writeText(context, content)
+        if(App.INSTANCE.getPrefBoolean(PreferKey.webDavExport,false)) {
+            //写出文件到cache目录
+            FileUtils.createFileIfNotExist(
+                File(FileUtils.getCachePath()),
+                filename
+            ).writeText(content)
+            //导出到webdav
+            WebDavHelp.exportWebDav(FileUtils.getCachePath(), filename)
+            //上传完删除cache文件
+            FileUtils.deleteFile("${FileUtils.getCachePath()}${File.separator}${filename}")
+        }
         App.db.bookChapterDao().getChapterList(book.bookUrl).forEach { chapter ->
             BookHelp.getContent(book, chapter).let { content ->
                 content?.split("\n")?.forEachIndexed { index, text ->
@@ -61,8 +76,12 @@ class CacheViewModel(application: Application) : BaseViewModel(application) {
     }
 
     private fun export(file: File, book: Book) {
-        FileUtils.createFileIfNotExist(file, "${book.name} 作者:${book.author}.txt")
+        val filename = "${book.name} by ${book.author}.txt"
+        FileUtils.createFileIfNotExist(file, filename)
             .writeText(getAllContents(book))
+        if(App.INSTANCE.getPrefBoolean(PreferKey.webDavExport,false)) {
+            WebDavHelp.exportWebDav(file.absolutePath, filename)//导出到webdav
+        }
         App.db.bookChapterDao().getChapterList(book.bookUrl).forEach { chapter ->
             BookHelp.getContent(book, chapter).let { content ->
                 content?.split("\n")?.forEachIndexed { index, text ->
diff --git a/app/src/main/java/io/legado/app/ui/widget/font/FontSelectDialog.kt b/app/src/main/java/io/legado/app/ui/widget/font/FontSelectDialog.kt
index 0fa7bea7d..ca932932a 100644
--- a/app/src/main/java/io/legado/app/ui/widget/font/FontSelectDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/font/FontSelectDialog.kt
@@ -123,6 +123,26 @@ class FontSelectDialog : BaseDialogFragment(),
         }
     }
 
+    private fun getLocalFonts(): ArrayList<DocItem> {
+        val fontItems = arrayListOf<DocItem>()
+        val fontDir =
+            FileUtils.createFolderIfNotExist(requireContext().externalFilesDir, "font")
+        fontDir.listFiles { pathName ->
+            pathName.name.toLowerCase(Locale.getDefault()).matches(fontRegex)
+        }?.forEach {
+            fontItems.add(
+                DocItem(
+                    it.name,
+                    it.extension,
+                    it.length(),
+                    Date(it.lastModified()),
+                    Uri.parse(it.absolutePath)
+                )
+            )
+        }
+        return fontItems
+    }
+
     private fun loadFontFiles(doc: DocumentFile) {
         execute {
             val fontItems = arrayListOf<DocItem>()
@@ -132,6 +152,7 @@ class FontSelectDialog : BaseDialogFragment(),
                     fontItems.add(item)
                 }
             }
+            fontItems.addAll(getLocalFonts())
             fontItems.sortedBy { it.name }
         }.onSuccess {
             adapter?.setItems(it)
@@ -167,6 +188,7 @@ class FontSelectDialog : BaseDialogFragment(),
                     )
                 )
             }
+            fontItems.addAll(getLocalFonts())
             fontItems.sortedBy { it.name }
         }.onSuccess {
             adapter?.setItems(it)
diff --git a/app/src/main/res/values-zh-rHK/strings.xml b/app/src/main/res/values-zh-rHK/strings.xml
index 649f57d1a..eac3f655b 100644
--- a/app/src/main/res/values-zh-rHK/strings.xml
+++ b/app/src/main/res/values-zh-rHK/strings.xml
@@ -10,6 +10,8 @@
     <string name="menu_import_old">導入閲讀數據</string>
     <string name="mkdirs">創建子文件夾</string>
     <string name="mkdirs_description">創建 legado 文件夾作爲備份路徑</string>
+    <string name="export_webdav">離線導出WebDav</string>
+    <string name="export_webdav_s">默認導出到legado文件夾下exports目錄</string>
     <string name="backup_path">備份路徑</string>
     <string name="menu_import_old_version">導入舊版數據</string>
     <string name="menu_import_github">導入 Github 數據</string>
diff --git a/app/src/main/res/values-zh-rTW/strings.xml b/app/src/main/res/values-zh-rTW/strings.xml
index 17cc16af4..25fe6e740 100644
--- a/app/src/main/res/values-zh-rTW/strings.xml
+++ b/app/src/main/res/values-zh-rTW/strings.xml
@@ -10,6 +10,8 @@
     <string name="menu_import_old">匯入閱讀資料</string>
     <string name="mkdirs">建立子資料夾</string>
     <string name="mkdirs_description">建立legado資料夾作為備份資料夾</string>
+    <string name="export_webdav">離線導出WebDav</string>
+    <string name="export_webdav_s">默認導出到legado文件夾下exports目錄</string>
     <string name="backup_path">備份路徑</string>
     <string name="menu_import_old_version">匯入舊版資料</string>
     <string name="menu_import_github">匯入Github資料</string>
diff --git a/app/src/main/res/values-zh/strings.xml b/app/src/main/res/values-zh/strings.xml
index 2a5645ab8..8981f1707 100644
--- a/app/src/main/res/values-zh/strings.xml
+++ b/app/src/main/res/values-zh/strings.xml
@@ -10,6 +10,8 @@
     <string name="menu_import_old">导入阅读数据</string>
     <string name="mkdirs">创建子文件夹</string>
     <string name="mkdirs_description">创建legado文件夹作为备份文件夹</string>
+    <string name="export_webdav">离线导出WebDav</string>
+    <string name="export_webdav_s">默认导出到legado文件夹下exports目录</string>
     <string name="backup_path">备份路径</string>
     <string name="select_backup_path">请选择备份路径</string>
     <string name="menu_import_old_version">导入旧版数据</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 8ae687184..be20fce1e 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -10,6 +10,8 @@
     <string name="menu_import_old">Import Legado data</string>
     <string name="mkdirs">Create a subfolder</string>
     <string name="mkdirs_description">Create a folder named Legado as the backup folder.</string>
+    <string name="export_webdav">Export Webdav</string>
+    <string name="export_webdav_s">Default export to the exports directory under the legado folder</string>
     <string name="backup_path">Backup to</string>
     <string name="select_backup_path">Please select a backup path.</string>
     <string name="menu_import_old_version">Import legacy data</string>
diff --git a/app/src/main/res/xml/pref_config_backup.xml b/app/src/main/res/xml/pref_config_backup.xml
index b16c6f32b..1d0ee0a9d 100644
--- a/app/src/main/res/xml/pref_config_backup.xml
+++ b/app/src/main/res/xml/pref_config_backup.xml
@@ -36,6 +36,15 @@
             app:allowDividerBelow="false"
             app:iconSpaceReserved="false" />
 
+        <io.legado.app.ui.widget.prefs.SwitchPreference
+            android:key="webDavExport"
+            android:defaultValue="false"
+            android:title="@string/export_webdav"
+            android:summary="@string/export_webdav_s"
+            app:allowDividerAbove="false"
+            app:allowDividerBelow="false"
+            app:iconSpaceReserved="false" />
+
     </io.legado.app.ui.widget.prefs.PreferenceCategory>
 
     <io.legado.app.ui.widget.prefs.PreferenceCategory