优化

app/src/main/java/io/legado/app/help/storage/Backup.kt

@@ -6,6 +6,7 @@ import androidx.documentfile.provider.DocumentFile
 import io.legado.app.App
 import io.legado.app.constant.PreferKey
 import io.legado.app.help.ReadBookConfig
+import io.legado.app.help.ThemeConfig
 import io.legado.app.help.coroutine.Coroutine
 import io.legado.app.utils.*
 import kotlinx.coroutines.Dispatchers.IO
@@ -34,6 +35,7 @@ object Backup {
             "readRecord.json",
             "httpTTS.json",
             ReadBookConfig.configFileName,
+            ThemeConfig.configFileName,
             "config.xml"
         )
     }
@@ -65,6 +67,10 @@ object Backup {
                     FileUtils.createFileIfNotExist(backupPath + File.separator + ReadBookConfig.configFileName)
                         .writeText(it)
                 }
+                GSON.toJson(ThemeConfig.configList)?.let {
+                    FileUtils.createFileIfNotExist(backupPath + File.separator + ThemeConfig.configFileName)
+                        .writeText(it)
+                }
                 Preferences.getSharedPreferences(App.INSTANCE, backupPath, "config")?.let { sp ->
                     val edit = sp.edit()
                     App.INSTANCE.defaultSharedPreferences.all.map {