优化

app/src/main/java/io/legado/app/ui/book/toc/TocActivity.kt

@@ -133,7 +133,7 @@ class TocActivity : VMBaseActivity<ActivityChapterListBinding, TocViewModel>(),
                 waitDialog.dismiss()
                 ReadBook.book?.let { readBook ->
                     if (readBook == book) {
-                        readBook.tocUrl = tocRegex
+                        ReadBook.book = book
                         ReadBook.chapterSize = book.totalChapterNum
                         ReadBook.upMsg(null)
                         ReadBook.loadContent(resetPageOffset = true)