diff --git a/app/src/main/java/io/legado/app/constant/Bus.kt b/app/src/main/java/io/legado/app/constant/Bus.kt
index 1dd73ab1a..1b73ca92e 100644
--- a/app/src/main/java/io/legado/app/constant/Bus.kt
+++ b/app/src/main/java/io/legado/app/constant/Bus.kt
@@ -1,5 +1,5 @@
 package io.legado.app.constant
 
 object Bus {
-    val recreate = "recreate"
+    const val recreate = "recreate"
 }
\ No newline at end of file