diff --git a/app/src/main/java/io/legado/app/ui/book/read/page/delegate/SimulationPageDelegate.kt b/app/src/main/java/io/legado/app/ui/book/read/page/delegate/SimulationPageDelegate.kt
index 6e41fcac5..385ed7140 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/page/delegate/SimulationPageDelegate.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/page/delegate/SimulationPageDelegate.kt
@@ -40,7 +40,7 @@ class SimulationPageDelegate(pageView: PageView) : HorizontalPageDelegate(pageVi
     private var mMiddleY = 0f
     private var mDegrees = 0f
     private var mTouchToCornerDis = 0f
-    private var mColorMatrixFilter: ColorMatrixColorFilter = ColorMatrixColorFilter(
+    private var mColorMatrixFilter = ColorMatrixColorFilter(
         ColorMatrix(
             floatArrayOf(
                 1f, 0f, 0f, 0f, 0f,