diff --git a/app/src/main/java/io/legado/app/utils/ConstraintModify.kt b/app/src/main/java/io/legado/app/utils/ConstraintModify.kt
index 3adc79c26..7a6291bfe 100644
--- a/app/src/main/java/io/legado/app/utils/ConstraintModify.kt
+++ b/app/src/main/java/io/legado/app/utils/ConstraintModify.kt
@@ -5,6 +5,7 @@ import androidx.constraintlayout.widget.ConstraintLayout
 import androidx.constraintlayout.widget.ConstraintSet
 import androidx.transition.TransitionManager
 
+@Suppress("unused")
 fun ConstraintLayout.modify(withAnim: Boolean = false): ConstraintModify.ConstraintBegin {
     val begin = ConstraintModify(this).begin
     if (withAnim) {