【综合】注释偶发crash修复

PDF Office/PDF Master/Class/PDFWindowController/ViewController/KMMainViewController.swift

@@ -2661,7 +2661,7 @@ let LOCKED_KEY  = "locked"
         }
         self.toolbarController.ignoreCurrentAnnotationTypeChange = false
         
-        self.leftSideViewController.updateThumbnail(at: Int(pdfPage.pageIndex()))
+        self.leftSideViewController.updateThumbnail(at: Int(pdfPage?.pageIndex() ?? 0))
     }
     
     func pdfListViewDidSelectionEnd(_ pdfListView: CPDFListView!) {

PDF Office/PDF Master/Class/Preference/Controller/SyncPreferences.xib

@@ -138,7 +138,7 @@
             <point key="canvasLocation" x="-3" y="154"/>
         </customView>
         <userDefaultsController representsSharedInstance="YES" id="27"/>
-        <customObject id="40" userLabel="Labels" customClass="SKIBArray"/>
-        <customObject id="45" userLabel="Controls" customClass="SKIBArray"/>
+        <customObject id="40" userLabel="Labels"/>
+        <customObject id="45" userLabel="Controls"/>
     </objects>
 </document>