修复自动打开最近阅读书籍功能

app/src/main/java/io/legato/kazusa/ui/main/MainActivity.kt

@@ -115,7 +115,7 @@ class MainActivity : VMBaseActivity<ActivityMainBinding, MainViewModel>(),
             return
         }
 
-        if (getPrefBoolean(PreferKey.defaultToRead)) {
+        if (savedInstanceState == null && getPrefBoolean(PreferKey.defaultToRead)) {
             startActivity<ReadBookActivity>()
         }