diff --git a/app/src/main/kotlin/cn/super12138/todo/views/welcome/pages/BasePage.kt b/app/src/main/kotlin/cn/super12138/todo/views/welcome/pages/BasePage.kt
index 449636e..0a2313a 100644
--- a/app/src/main/kotlin/cn/super12138/todo/views/welcome/pages/BasePage.kt
+++ b/app/src/main/kotlin/cn/super12138/todo/views/welcome/pages/BasePage.kt
@@ -1,7 +1,9 @@
 package cn.super12138.todo.views.welcome.pages
 
 import android.os.Bundle
+import android.view.View
 import androidx.fragment.app.Fragment
+import com.google.android.material.color.MaterialColors
 import com.google.android.material.transition.MaterialSharedAxis
 
 open class BasePage : Fragment() {
@@ -12,4 +14,11 @@ open class BasePage : Fragment() {
         exitTransition = MaterialSharedAxis(MaterialSharedAxis.X, /* forward= */ true)
         reenterTransition = MaterialSharedAxis(MaterialSharedAxis.X, /* forward= */ false)
     }
+
+    // https://github.com/material-components/material-components-android/issues/1984#issuecomment-1089710991
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        super.onViewCreated(view, savedInstanceState)
+        // Overlap colors.
+        view.setBackgroundColor(MaterialColors.getColor(view, android.R.attr.colorBackground))
+    }
 }
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