【注释】按住Shift添加方形和圆形，效果应该是正圆和正方形修复

PDF Office/PDF Master/Class/PDFWindowController/PDFListView/CPDFListViewExtension/CPDFListView+Event.m

@@ -2332,7 +2332,7 @@ static inline CPDFAreaOfInterest CAreaOfInterestForResizeHandle(CRectEdges mask,
                                                                               ![activeAnnotation isKindOfClass:[CSelfSignAnnotation class]]) || ([activeAnnotation isKindOfClass:[CPDFListSignatureAnnotation class]])){
         CGFloat minWidth = MIN_NOTE_SIZE;
         CGFloat minHeight = MIN_NOTE_SIZE;
-        CGFloat scale = 0.5;
+        CGFloat scale = 1.0;
         if (newBounds.size.width != 0) {
             scale = newBounds.size.height/newBounds.size.width;
         }