diff --git a/app/src/main/java/com/fongmi/android/tv/Setting.java b/app/src/main/java/com/fongmi/android/tv/Setting.java
index 7d89cfe6f..59eb5e605 100644
--- a/app/src/main/java/com/fongmi/android/tv/Setting.java
+++ b/app/src/main/java/com/fongmi/android/tv/Setting.java
@@ -266,7 +266,7 @@ public class Setting {
     }
 
     public static int getDanmuLine(int line) {
-        return Math.min(Prefers.getInt("danmu_line", line), 15);
+        return Math.min(Math.max(Prefers.getInt("danmu_line", line), 1), 15);
     }
 
     public static void putDanmuLine(int line) {