diff --git a/app/src/main/java/io/legado/app/utils/LogUtils.kt b/app/src/main/java/io/legado/app/utils/LogUtils.kt
index 2f04c259b..3f807396d 100644
--- a/app/src/main/java/io/legado/app/utils/LogUtils.kt
+++ b/app/src/main/java/io/legado/app/utils/LogUtils.kt
@@ -66,7 +66,7 @@ object LogUtils {
                     }
                 }
             }
-            val date = getCurrentDateStr(TIME_PATTERN)
+            val date = getCurrentDateStr(TIME_PATTERN).replace(" ", "_").replace(":", "-")
             val logPath = FileUtils.getPath(root = logFolder, "appLog-$date.txt")
             return AsyncFileHandler(logPath).apply {
                 formatter = object : java.util.logging.Formatter() {