优化

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

@@ -219,6 +219,9 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
             R.id.menu_copy_text -> {
 
             }
+            R.id.menu_update_toc -> ReadBook.book?.let {
+                viewModel.loadChapterList(it)
+            }
         }
         return super.onCompatOptionsItemSelected(item)
     }

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

@@ -91,7 +91,7 @@ class ReadBookViewModel(application: Application) : BaseViewModel(application) {
         }
     }
 
-    private fun loadChapterList(
+    fun loadChapterList(
         book: Book,
         changeDruChapterIndex: ((chapters: List<BookChapter>) -> Unit)? = null
     ) {

app/src/main/res/menu/read_book.xml

@@ -80,9 +80,9 @@
             app:showAsAction="never" />
 
         <item
-            android:id="@+id/menu_update_chapter_list"
+            android:id="@+id/menu_update_toc"
             android:icon="@drawable/ic_update"
-            android:title="@string/update_chapter"
+            android:title="@string/update_toc"
             app:showAsAction="never" />
 
         <item

app/src/main/res/values/strings.xml

@@ -329,7 +329,7 @@
     <string name="faq">常见问题</string>
     <string name="pt_show_all_find">显示所有发现</string>
     <string name="ps_show_all_find">关闭则只显示勾选源的发现</string>
-    <string name="update_chapter">更新目录</string>
+    <string name="update_toc">更新目录</string>
     <string name="txt_chapter_regex">txt目录正则</string>
     <string name="set_charset">设置编码</string>
     <string name="swap_sort">倒序-顺序</string>