edit LogUtils.kt

app/src/main/java/io/legado/app/utils/LogUtils.kt

@@ -32,19 +32,19 @@ object LogUtils {
         val root = appCtx.externalCacheDir ?: return@lazy null
         val logFolder = FileUtils.createFolderIfNotExist(root, "logs")
         val logPath = FileUtils.getPath(root = logFolder, "appLog")
-        val fileHandler = FileHandler(logPath, 10240, 10)
-        fileHandler.formatter = object : java.util.logging.Formatter() {
+        FileHandler(logPath, 10240, 10).apply {
+            formatter = object : java.util.logging.Formatter() {
                 override fun format(record: LogRecord): String {
                     // 设置文件输出格式
                     return (getCurrentDateStr(TIME_PATTERN) + ": " + record.message + "\n")
                 }
             }
-        fileHandler.level = if (appCtx.getPrefBoolean("recordLog")) {
+            level = if (appCtx.getPrefBoolean("recordLog")) {
                 Level.INFO
             } else {
                 Level.OFF
             }
-        return@lazy fileHandler
+        }
     }
 
     fun upLevel() {