修正选择逻辑

MRFramework/MRFramework/UIControls/Album/MRAlbumListViewController.swift

@@ -225,8 +225,9 @@ open class MRAlbumListViewController: UIViewController {
                 var removedIndex = NSNotFound
                 if isSelected, !self.selectedAssests.contains(assest) {
                     if self.selectedAssests.count == self.maxCount {
-                        if let assests = self.assests {
-                            removedIndex = assests.index(of: assest)
+                        if let assests = self.assests,
+                            let removeItem = self.selectedAssests.first {
+                            removedIndex = assests.index(of: removeItem)
                         }
                         if removedIndex != NSNotFound,
                             let cell = collectionView.cellForItem(at: IndexPath(row: removedIndex, section: 0)) {