优化

app/src/main/java/io/legado/app/ui/book/info/BookInfoActivity.kt

@@ -108,6 +108,7 @@ class BookInfoActivity :
     private var chapterChanged = false
     private val waitDialog by lazy { WaitDialog(this) }
     private var editMenuItem: MenuItem? = null
+    private val book get() = viewModel.getBook(false)
 
     override val binding by viewBinding(ActivityBookInfoBinding::inflate)
     override val viewModel by viewModels<BookInfoViewModel>()
@@ -341,7 +342,11 @@ class BookInfoActivity :
     private fun upGroup(groupId: Long) {
         viewModel.loadGroup(groupId) {
             if (it.isNullOrEmpty()) {
-                binding.tvGroup.text = getString(R.string.group_s, getString(R.string.no_group))
+                binding.tvGroup.text = if (book?.isLocal == true) {
+                    getString(R.string.group_s, getString(R.string.local_no_group))
+                } else {
+                    getString(R.string.group_s, getString(R.string.no_group))
+                }
             } else {
                 binding.tvGroup.text = getString(R.string.group_s, it)
             }