优化

app/src/main/java/io/legado/app/ui/dict/rule/DictRuleActivity.kt

@@ -76,11 +76,13 @@ class DictRuleActivity : VMBaseActivity<ActivityDictRuleBinding, DictRuleViewMod
         }
     }
 
-    override fun onContextItemSelected(item: MenuItem): Boolean {
+    override fun onCompatOptionsItemSelected(item: MenuItem): Boolean {
         when (item.itemId) {
             R.id.menu_create -> showDialogFragment<DictRuleEditDialog>()
+            R.id.menu_import_default -> viewModel.importDefault()
+            R.id.menu_help -> {}
         }
-        return super.onContextItemSelected(item)
+        return super.onCompatOptionsItemSelected(item)
     }
 
     override fun onMenuItemClick(item: MenuItem): Boolean {

app/src/main/java/io/legado/app/ui/dict/rule/DictRuleViewModel.kt

@@ -4,6 +4,7 @@ import android.app.Application
 import io.legado.app.base.BaseViewModel
 import io.legado.app.data.appDb
 import io.legado.app.data.entities.DictRule
+import io.legado.app.help.DefaultData
 
 class DictRuleViewModel(application: Application) : BaseViewModel(application) {
 
@@ -30,4 +31,10 @@ class DictRuleViewModel(application: Application) : BaseViewModel(application) {
         }
     }
 
+    fun importDefault() {
+        execute {
+            DefaultData.importDefaultDictRules()
+        }
+    }
+
 }