diff --git a/app/src/main/java/io/legado/app/utils/StringExtensions.kt b/app/src/main/java/io/legado/app/utils/StringExtensions.kt
index dc53b7bc8..a5c0d365d 100644
--- a/app/src/main/java/io/legado/app/utils/StringExtensions.kt
+++ b/app/src/main/java/io/legado/app/utils/StringExtensions.kt
@@ -1,3 +1,5 @@
+@file:Suppress("unused")
+
 package io.legado.app.utils
 
 import android.net.Uri