优化

app/src/main/java/io/legado/app/base/BaseActivity.kt

@@ -52,10 +52,13 @@ abstract class BaseActivity(
         } ?: super.onCreateOptionsMenu(menu)
     }
 
-    override fun onMenuOpened(featureId: Int, menu: Menu): Boolean {
+    override fun onMenuOpened(featureId: Int, menu: Menu?): Boolean {
+        menu?.let {
             menu.applyOpenTint(this)
             return super.onMenuOpened(featureId, menu)
         }
+        return true
+    }
 
     open fun onCompatCreateOptionsMenu(menu: Menu): Boolean {
         return super.onCreateOptionsMenu(menu)

app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt

@@ -98,8 +98,8 @@ class BookInfoActivity :
         return super.onCompatOptionsItemSelected(item)
     }
 
-    override fun onMenuOpened(featureId: Int, menu: Menu): Boolean {
-        menu.findItem(R.id.menu_can_update)?.isChecked =
+    override fun onMenuOpened(featureId: Int, menu: Menu?): Boolean {
+        menu?.findItem(R.id.menu_can_update)?.isChecked =
             viewModel.bookData.value?.canUpdate ?: true
         return super.onMenuOpened(featureId, menu)
     }