优化

app/src/main/java/io/legado/app/help/config/ThemeConfig.kt

@@ -18,6 +18,7 @@ import splitties.init.appCtx
 
 import java.io.File
 
+@Keep
 object ThemeConfig {
     const val configFileName = "themeConfig.json"
     val configFilePath = FileUtils.getPath(appCtx.filesDir, configFileName)