优化

app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt

@@ -278,9 +278,9 @@ class ReadBookActivity : ReadBookBaseActivity(),
                     putExtra("author", it.author)
                 }
             }
-            R.id.menu_toc_regex -> supportFragmentManager.showDialog<TocRegexDialog> {
-                putString("tocRegex", ReadBook.book?.tocUrl)
-            }
+            R.id.menu_toc_regex -> supportFragmentManager.showDialog(
+                TocRegexDialog(ReadBook.book?.tocUrl)
+            )
             R.id.menu_reverse_content -> ReadBook.book?.let {
                 viewModel.reverseContent(it)
             }

app/src/main/java/io/legado/app/ui/book/read/config/TocRegexDialog.kt

@@ -34,7 +34,13 @@ import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.launch
 import java.util.*
 
-class TocRegexDialog : BaseDialogFragment(), Toolbar.OnMenuItemClickListener {
+class TocRegexDialog() : BaseDialogFragment(), Toolbar.OnMenuItemClickListener {
+
+    constructor(tocRegex: String?) : this() {
+        arguments = Bundle().apply {
+            putString("tocRegex", tocRegex)
+        }
+    }
 
     private val importTocRuleKey = "tocRuleUrl"
     private val viewModel: TocRegexViewModel by viewModels()