【优化】禅道问题修复- 页面编辑 倒序功能 失效

http://101.132.103.13:7788/zentao/bug-view-5173.html

PDF Office/PDF Master/Class/PDFTools/PageEdit/Controller/KMPDFEditViewController.swift

@@ -939,6 +939,7 @@ class KMPDFEditViewController: KMPDFThumbViewBaseController {
     
     @objc private func reversePages(indexs: IndexSet) {
         if let doc = self.thumbnailView.document {
+            KMThumbnailCache.shared.clearCache()
             KMPageEditTools.reverse(doc, indexs
             ) { result, error in
                 if (result) {