diff --git a/.github/workflows/deploy_by_tag.yml b/.github/workflows/deploy_by_tag.yml
index dde11e2..7cd0514 100644
--- a/.github/workflows/deploy_by_tag.yml
+++ b/.github/workflows/deploy_by_tag.yml
@@ -25,6 +25,8 @@ jobs:
         flutter pub get
         dart run build_runner build
         flutter build web --base-href "${BASE_HREF}"
+    - name: Copy `README.md` to the build dir
+      run: cp README_web.md build/web/README.md
     - name: Move to build dir for web
       run: cd build/web
     - name: Push directory to another repository
diff --git a/.gitignore b/.gitignore
index 70b4431..555efc1 100644
--- a/.gitignore
+++ b/.gitignore
@@ -51,3 +51,7 @@ lib/**/*.g.dart
 # Personal
 lib/example
 design/
+
+# l10n
+lib/l10n/arbs/intl_messages.arb
+lib/l10n/gen/messages_messages.dart
\ No newline at end of file
diff --git a/README_web.md b/README_web.md
new file mode 100644
index 0000000..764b98c
--- /dev/null
+++ b/README_web.md
@@ -0,0 +1,4 @@
+# DST Helper application for web 🌈 
+https://woin2ee.github.io/DST-Helper-web/
+
+This repository is a dedicated one for web hosting using github pages. The source code is in [DST-Helper](https://github.com/woin2ee/DST-Helper).
diff --git a/lib/cook_page/recipe_list/recipe_list.dart b/lib/cook_page/recipe_list/recipe_list.dart
index e202cfa..abc8031 100644
--- a/lib/cook_page/recipe_list/recipe_list.dart
+++ b/lib/cook_page/recipe_list/recipe_list.dart
@@ -4,6 +4,8 @@ import 'package:dst_helper/l10n/l10ns.dart';
 import 'package:dst_helper/models/v2/item/item.dart';
 import 'package:dst_helper/utils/font_family.dart';
 import 'package:flutter/material.dart';
+import 'package:intl/intl.dart';
+import 'package:toastification/toastification.dart';
 
 class RecipeList extends StatefulWidget {
   RecipeList() : super(key: GlobalKey());
@@ -21,6 +23,11 @@ class _RecipeListState extends State<RecipeList> {
   Widget build(BuildContext context) {
     return DragTarget<Recipe>(
       onAcceptWithDetails: (details) {
+        var recipe = details.data;
+        if (_recipeListNotifier.value.contains(recipe)) {
+          _showToast(context);
+          return;
+        }
         _recipeListNotifier.addRecipe(details.data);
       },
       builder: (context, candidateItems, rejectedItems) {
@@ -67,4 +74,27 @@ class _RecipeListState extends State<RecipeList> {
       },
     );
   }
+
+  void _showToast(BuildContext context) {
+    String message() => Intl.message(
+          'The recipe is already registered.',
+          desc: "It's showed up when a duplicated recipe card is registered to list.",
+          locale: Localizations.localeOf(context).languageCode,
+        );
+
+    toastification.show(
+      context: context,
+      alignment: Alignment.bottomCenter,
+      icon: const Icon(Icons.warning),
+      style: ToastificationStyle.flatColored,
+      primaryColor: Colors.grey,
+      backgroundColor: Colors.grey.shade100,
+      title: Text(message()),
+      autoCloseDuration: const Duration(seconds: 2),
+      animationDuration: const Duration(milliseconds: 300),
+      pauseOnHover: false,
+      boxShadow: kElevationToShadow[3],
+      dragToClose: false,
+    );
+  }
 }
diff --git a/lib/cook_page/recipe_list/recipe_list_notifier.dart b/lib/cook_page/recipe_list/recipe_list_notifier.dart
index 38f22f0..62c9222 100644
--- a/lib/cook_page/recipe_list/recipe_list_notifier.dart
+++ b/lib/cook_page/recipe_list/recipe_list_notifier.dart
@@ -30,7 +30,6 @@ class RecipeListNotifier extends ChangeNotifier {
   List<Recipe> get value => _value.toList();
 
   void addRecipe(Recipe recipe) {
-    if (_value.contains(recipe)) return;
     _value.add(recipe);
     notifyListeners();
   }
diff --git a/lib/l10n/arbs/intl_en.arb b/lib/l10n/arbs/intl_en.arb
index 3968eec..7158db3 100644
--- a/lib/l10n/arbs/intl_en.arb
+++ b/lib/l10n/arbs/intl_en.arb
@@ -1,6 +1,12 @@
 {
   "@@last_modified": "2025-02-04T22:53:33.904153",
   "@@locale": "en",
+  "The recipe is already registered.": "The recipe is already registered.",
+  "@The recipe is already registered.": {
+    "description": "It's showed up when a duplicated recipe card is registered to list.",
+    "type": "text",
+    "placeholders": {}
+  },
   "seasonConditionSatisfyingText": "Becomes a giant crop in the {seasonsText}!",
   "@seasonConditionSatisfyingText": {
     "type": "text",
diff --git a/lib/l10n/arbs/intl_ko.arb b/lib/l10n/arbs/intl_ko.arb
index e1040ba..ddaf74a 100644
--- a/lib/l10n/arbs/intl_ko.arb
+++ b/lib/l10n/arbs/intl_ko.arb
@@ -1,6 +1,12 @@
 {
   "@@last_modified": "2025-02-04T22:53:33.904153",
   "@@locale": "ko",
+  "The recipe is already registered.": "이미 등록되어 있는 레시피입니다.",
+  "@The recipe is already registered.": {
+    "description": "It's showed up when a duplicated recipe card is registered to list.",
+    "type": "text",
+    "placeholders": {}
+  },
   "seasonConditionSatisfyingText": "{seasonsText}에 거대 작물이 됩니다!",
   "@seasonConditionSatisfyingText": {
     "type": "text",
diff --git a/lib/l10n/arbs/intl_messages.arb b/lib/l10n/arbs/intl_messages.arb
deleted file mode 100644
index 6b5b3d5..0000000
--- a/lib/l10n/arbs/intl_messages.arb
+++ /dev/null
@@ -1,707 +0,0 @@
-{
-  "@@last_modified": "2025-02-04T22:53:33.904153",
-  "seasonConditionSatisfyingText": "Becomes a giant crop in the {seasonsText}!",
-  "@seasonConditionSatisfyingText": {
-    "type": "text",
-    "placeholders": {
-      "seasonsText": {
-        "example": "<spring>spring</spring>, <fall>fall</fall>"
-      }
-    }
-  },
-  "recipe_list_guide_message": "recipe_list_guide_message",
-  "@recipe_list_guide_message": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "fertilizer_selection_tooltip": "fertilizer_selection_tooltip",
-  "@fertilizer_selection_tooltip": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "add": "add",
-  "@add": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "asparagus_seeds_assumed_name": "asparagus_seeds_assumed_name",
-  "@asparagus_seeds_assumed_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "autumn": "autumn",
-  "@autumn": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "back_dialog_message": "back_dialog_message",
-  "@back_dialog_message": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "back_dialog_title": "back_dialog_title",
-  "@back_dialog_title": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "basic": "basic",
-  "@basic": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "butterflymuffin": "butterflymuffin",
-  "@butterflymuffin": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "cancel": "cancel",
-  "@cancel": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "carrot_seeds_assumed_name": "carrot_seeds_assumed_name",
-  "@carrot_seeds_assumed_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "compost": "compost",
-  "@compost": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "compostwrap": "compostwrap",
-  "@compostwrap": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "confirm": "confirm",
-  "@confirm": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "corn_seeds_assumed_name": "corn_seeds_assumed_name",
-  "@corn_seeds_assumed_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "crops": "crops",
-  "@crops": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "delete": "delete",
-  "@delete": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "dense": "dense",
-  "@dense": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "done": "done",
-  "@done": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "dragonfruit_seeds_assumed_name": "dragonfruit_seeds_assumed_name",
-  "@dragonfruit_seeds_assumed_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "durian_seeds_assumed_name": "durian_seeds_assumed_name",
-  "@durian_seeds_assumed_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "edit": "edit",
-  "@edit": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "eggplant_seeds_assumed_name": "eggplant_seeds_assumed_name",
-  "@eggplant_seeds_assumed_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "family_condition_satisfying_text": "family_condition_satisfying_text",
-  "@family_condition_satisfying_text": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "family_condition_unsatisfying_first_text": "family_condition_unsatisfying_first_text",
-  "@family_condition_unsatisfying_first_text": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "family_condition_unsatisfying_secondary_text": "family_condition_unsatisfying_secondary_text",
-  "@family_condition_unsatisfying_secondary_text": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "fertilizer": "fertilizer",
-  "@fertilizer": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "fertilizers": "fertilizers",
-  "@fertilizers": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "garlic_seeds_assumed_name": "garlic_seeds_assumed_name",
-  "@garlic_seeds_assumed_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "giant_crop": "giant_crop",
-  "@giant_crop": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "glommerfuel": "glommerfuel",
-  "@glommerfuel": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "growthFormula": "growthFormula",
-  "@growthFormula": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "guano": "guano",
-  "@guano": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "hide": "hide",
-  "@hide": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "manure": "manure",
-  "@manure": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "menu_cook": "menu_cook",
-  "@menu_cook": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "menu_farm": "menu_farm",
-  "@menu_farm": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "mix": "mix",
-  "@mix": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "name": "name",
-  "@name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "no_crops_message": "no_crops_message",
-  "@no_crops_message": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "nutrient_condition_satisfying_first_text": "nutrient_condition_satisfying_first_text",
-  "@nutrient_condition_satisfying_first_text": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "nutrient_condition_unsatisfying_first_text": "nutrient_condition_unsatisfying_first_text",
-  "@nutrient_condition_unsatisfying_first_text": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "nutrient_condition_unsatisfying_secondary_text": "nutrient_condition_unsatisfying_secondary_text",
-  "@nutrient_condition_unsatisfying_secondary_text": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "onion_seeds_assumed_name": "onion_seeds_assumed_name",
-  "@onion_seeds_assumed_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "pepper_seeds_assumed_name": "pepper_seeds_assumed_name",
-  "@pepper_seeds_assumed_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "pomegranate_seeds_assumed_name": "pomegranate_seeds_assumed_name",
-  "@pomegranate_seeds_assumed_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "poop": "poop",
-  "@poop": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "potato_seeds_assumed_name": "potato_seeds_assumed_name",
-  "@potato_seeds_assumed_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "pumpkin_seeds_assumed_name": "pumpkin_seeds_assumed_name",
-  "@pumpkin_seeds_assumed_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "reverse_dense": "reverse_dense",
-  "@reverse_dense": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "rottenegg": "rottenegg",
-  "@rottenegg": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "season_condition_unsatisfying_first_text": "season_condition_unsatisfying_first_text",
-  "@season_condition_unsatisfying_first_text": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "season_condition_unsatisfying_secondary_text": "season_condition_unsatisfying_secondary_text",
-  "@season_condition_unsatisfying_secondary_text": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "seeds": "seeds",
-  "@seeds": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "show": "show",
-  "@show": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "show_hidden_items": "show_hidden_items",
-  "@show_hidden_items": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "show_seeds_alias": "show_seeds_alias",
-  "@show_seeds_alias": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "soil_amender": "soil_amender",
-  "@soil_amender": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "spoiled_fish": "spoiled_fish",
-  "@spoiled_fish": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "spoiled_fish_small": "spoiled_fish_small",
-  "@spoiled_fish_small": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "spoiled_food": "spoiled_food",
-  "@spoiled_food": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "spring": "spring",
-  "@spring": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "suitable_seasons": "suitable_seasons",
-  "@suitable_seasons": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "season": "season",
-  "@season": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "summer": "summer",
-  "@summer": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "tomato_seeds_assumed_name": "tomato_seeds_assumed_name",
-  "@tomato_seeds_assumed_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "treegrowthsolution": "treegrowthsolution",
-  "@treegrowthsolution": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "watermelon_seeds_assumed_name": "watermelon_seeds_assumed_name",
-  "@watermelon_seeds_assumed_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "winter": "winter",
-  "@winter": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "dustmeringue_name": "dustmeringue_name",
-  "@dustmeringue_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "asparagussoup_name": "asparagussoup_name",
-  "@asparagussoup_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "baconeggs_name": "baconeggs_name",
-  "@baconeggs_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "bananapop_name": "bananapop_name",
-  "@bananapop_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "bananajuice_name": "bananajuice_name",
-  "@bananajuice_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "barnaclinguine_name": "barnaclinguine_name",
-  "@barnaclinguine_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "barnaclesushi_name": "barnaclesushi_name",
-  "@barnaclesushi_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "barnaclepita_name": "barnaclepita_name",
-  "@barnaclepita_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "beefalotreat_name": "beefalotreat_name",
-  "@beefalotreat_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "meatysalad_name": "meatysalad_name",
-  "@meatysalad_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "veggieomlet_name": "veggieomlet_name",
-  "@veggieomlet_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "bunnystew_name": "bunnystew_name",
-  "@bunnystew_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "butterflymuffin_name": "butterflymuffin_name",
-  "@butterflymuffin_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "californiaroll_name": "californiaroll_name",
-  "@californiaroll_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "ceviche_name": "ceviche_name",
-  "@ceviche_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "mashedpotatoes_name": "mashedpotatoes_name",
-  "@mashedpotatoes_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "dragonpie_name": "dragonpie_name",
-  "@dragonpie_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "potatotornado_name": "potatotornado_name",
-  "@potatotornado_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "figatoni_name": "figatoni_name",
-  "@figatoni_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "frognewton_name": "frognewton_name",
-  "@frognewton_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "figkabab_name": "figkabab_name",
-  "@figkabab_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "koalefig_trunk_name": "koalefig_trunk_name",
-  "@koalefig_trunk_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "fishtacos_name": "fishtacos_name",
-  "@fishtacos_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "fishsticks_name": "fishsticks_name",
-  "@fishsticks_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "jammypreserves_name": "jammypreserves_name",
-  "@jammypreserves_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "flowersalad_name": "flowersalad_name",
-  "@flowersalad_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "frogglebunwich_name": "frogglebunwich_name",
-  "@frogglebunwich_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "frozenbananadaiquiri_name": "frozenbananadaiquiri_name",
-  "@frozenbananadaiquiri_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "fruitmedley_name": "fruitmedley_name",
-  "@fruitmedley_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "guacamole_name": "guacamole_name",
-  "@guacamole_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "honeyham_name": "honeyham_name",
-  "@honeyham_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "honeynuggets_name": "honeynuggets_name",
-  "@honeynuggets_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "icecream_name": "icecream_name",
-  "@icecream_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "jellybean_name": "jellybean_name",
-  "@jellybean_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "leafymeatsouffle_name": "leafymeatsouffle_name",
-  "@leafymeatsouffle_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "kabobs_name": "kabobs_name",
-  "@kabobs_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "mandrakesoup_name": "mandrakesoup_name",
-  "@mandrakesoup_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "meatballs_name": "meatballs_name",
-  "@meatballs_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "bonestew_name": "bonestew_name",
-  "@bonestew_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "watermelonicle_name": "watermelonicle_name",
-  "@watermelonicle_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "batnosehat_name": "batnosehat_name",
-  "@batnosehat_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "monsterlasagna_name": "monsterlasagna_name",
-  "@monsterlasagna_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "shroomcake_name": "shroomcake_name",
-  "@shroomcake_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "leafloaf_name": "leafloaf_name",
-  "@leafloaf_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "perogies_name": "perogies_name",
-  "@perogies_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "justeggs_name": "justeggs_name",
-  "@justeggs_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "powcake_name": "powcake_name",
-  "@powcake_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "pumpkincookie_name": "pumpkincookie_name",
-  "@pumpkincookie_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "ratatouille_name": "ratatouille_name",
-  "@ratatouille_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "salsa_name": "salsa_name",
-  "@salsa_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "seafoodgumbo_name": "seafoodgumbo_name",
-  "@seafoodgumbo_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "sweettea_name": "sweettea_name",
-  "@sweettea_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "hotchili_name": "hotchili_name",
-  "@hotchili_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "beefalofeed_name": "beefalofeed_name",
-  "@beefalofeed_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "stuffedeggplant_name": "stuffedeggplant_name",
-  "@stuffedeggplant_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "barnaclestuffedfishhead_name": "barnaclestuffedfishhead_name",
-  "@barnaclestuffedfishhead_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "shroombait_name": "shroombait_name",
-  "@shroombait_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "pepperpopper_name": "pepperpopper_name",
-  "@pepperpopper_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "surfnturf_name": "surfnturf_name",
-  "@surfnturf_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "taffy_name": "taffy_name",
-  "@taffy_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "talleggs_name": "talleggs_name",
-  "@talleggs_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "trailmix_name": "trailmix_name",
-  "@trailmix_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "turkeydinner_name": "turkeydinner_name",
-  "@turkeydinner_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "unagi_name": "unagi_name",
-  "@unagi_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "leafymeatburger_name": "leafymeatburger_name",
-  "@leafymeatburger_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "vegstinger_name": "vegstinger_name",
-  "@vegstinger_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "waffles_name": "waffles_name",
-  "@waffles_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "wetgoop_name": "wetgoop_name",
-  "@wetgoop_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "lobsterbisque_name": "lobsterbisque_name",
-  "@lobsterbisque_name": {
-    "type": "text",
-    "placeholders": {}
-  },
-  "lobsterdinner_name": "lobsterdinner_name",
-  "@lobsterdinner_name": {
-    "type": "text",
-    "placeholders": {}
-  }
-}
\ No newline at end of file
diff --git a/lib/l10n/gen/messages_all_locales.dart b/lib/l10n/gen/messages_all_locales.dart
index cb6f6ae..ef42614 100644
--- a/lib/l10n/gen/messages_all_locales.dart
+++ b/lib/l10n/gen/messages_all_locales.dart
@@ -15,13 +15,11 @@ import 'package:intl/src/intl_helpers.dart';
 
 import 'messages_en.dart' as messages_en;
 import 'messages_ko.dart' as messages_ko;
-import 'messages_messages.dart' as messages_messages;
 
 typedef Future<dynamic> LibraryLoader();
 Map<String, LibraryLoader> _deferredLibraries = {
   'en': () => Future.value(null),
   'ko': () => Future.value(null),
-  'messages': () => Future.value(null),
 };
 
 MessageLookupByLibrary? _findExact(String localeName) {
@@ -30,8 +28,6 @@ MessageLookupByLibrary? _findExact(String localeName) {
       return messages_en.messages;
     case 'ko':
       return messages_ko.messages;
-    case 'messages':
-      return messages_messages.messages;
     default:
       return null;
   }
@@ -39,8 +35,10 @@ MessageLookupByLibrary? _findExact(String localeName) {
 
 /// User programs should call this before using [localeName] for messages.
 Future<bool> initializeMessages(String? localeName) async {
-  var availableLocale =
-      Intl.verifiedLocale(localeName, (locale) => _deferredLibraries[locale] != null, onFailure: (_) => null);
+  var availableLocale = Intl.verifiedLocale(
+    localeName,
+    (locale) => _deferredLibraries[locale] != null,
+    onFailure: (_) => null);
   if (availableLocale == null) {
     return Future.value(false);
   }
@@ -60,7 +58,8 @@ bool _messagesExistFor(String locale) {
 }
 
 MessageLookupByLibrary? _findGeneratedMessagesFor(String locale) {
-  var actualLocale = Intl.verifiedLocale(locale, _messagesExistFor, onFailure: (_) => null);
+  var actualLocale = Intl.verifiedLocale(locale, _messagesExistFor,
+      onFailure: (_) => null);
   if (actualLocale == null) return null;
   return _findExact(actualLocale);
 }
diff --git a/lib/l10n/gen/messages_en.dart b/lib/l10n/gen/messages_en.dart
index 78c8ab5..c067ec0 100644
--- a/lib/l10n/gen/messages_en.dart
+++ b/lib/l10n/gen/messages_en.dart
@@ -27,7 +27,8 @@ class MessageLookup extends MessageLookupByLibrary {
   final Map<String, dynamic> messages = _notInlinedMessages(_notInlinedMessages);
 
   static Map<String, dynamic> _notInlinedMessages(_) => {
-      'add': MessageLookupByLibrary.simpleMessage('Add'),
+      'The recipe is already registered.': MessageLookupByLibrary.simpleMessage('The recipe is already registered.'),
+    'add': MessageLookupByLibrary.simpleMessage('Add'),
     'asparagus_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('Tubular Seeds'),
     'asparagussoup_name': MessageLookupByLibrary.simpleMessage('Asparagus Soup'),
     'autumn': MessageLookupByLibrary.simpleMessage('Autumn'),
diff --git a/lib/l10n/gen/messages_ko.dart b/lib/l10n/gen/messages_ko.dart
index 1df9d9d..567f92c 100644
--- a/lib/l10n/gen/messages_ko.dart
+++ b/lib/l10n/gen/messages_ko.dart
@@ -27,7 +27,8 @@ class MessageLookup extends MessageLookupByLibrary {
   final Map<String, dynamic> messages = _notInlinedMessages(_notInlinedMessages);
 
   static Map<String, dynamic> _notInlinedMessages(_) => {
-      'add': MessageLookupByLibrary.simpleMessage('추가'),
+      'The recipe is already registered.': MessageLookupByLibrary.simpleMessage('이미 등록되어 있는 레시피입니다.'),
+    'add': MessageLookupByLibrary.simpleMessage('추가'),
     'asparagus_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('관모양 씨앗'),
     'asparagussoup_name': MessageLookupByLibrary.simpleMessage('아스파라거스 수프'),
     'autumn': MessageLookupByLibrary.simpleMessage('가을'),
diff --git a/lib/l10n/gen/messages_messages.dart b/lib/l10n/gen/messages_messages.dart
deleted file mode 100644
index 58f0ebe..0000000
--- a/lib/l10n/gen/messages_messages.dart
+++ /dev/null
@@ -1,171 +0,0 @@
-// DO NOT EDIT. This is code generated via package:intl/generate_localized.dart
-// This is a library that provides messages for a messages locale. All the
-// messages from the main program should be duplicated here with the same
-// function name.
-// @dart=2.12
-// Ignore issues from commonly used lints in this file.
-// ignore_for_file:unnecessary_brace_in_string_interps
-// ignore_for_file:prefer_single_quotes,comment_references, directives_ordering
-// ignore_for_file:annotate_overrides,prefer_generic_function_type_aliases
-// ignore_for_file:unused_import, file_names
-
-import 'package:intl/intl.dart';
-import 'package:intl/message_lookup_by_library.dart';
-
-final messages = MessageLookup();
-
-typedef String? MessageIfAbsent(
-    String? messageStr, List<Object>? args);
-
-class MessageLookup extends MessageLookupByLibrary {
-  @override
-  String get localeName => 'messages';
-
-  static m0(seasonsText) => "Becomes a giant crop in the ${seasonsText}!";
-
-  @override
-  final Map<String, dynamic> messages = _notInlinedMessages(_notInlinedMessages);
-
-  static Map<String, dynamic> _notInlinedMessages(_) => {
-      'add': MessageLookupByLibrary.simpleMessage('add'),
-    'asparagus_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('asparagus_seeds_assumed_name'),
-    'asparagussoup_name': MessageLookupByLibrary.simpleMessage('asparagussoup_name'),
-    'autumn': MessageLookupByLibrary.simpleMessage('autumn'),
-    'back_dialog_message': MessageLookupByLibrary.simpleMessage('back_dialog_message'),
-    'back_dialog_title': MessageLookupByLibrary.simpleMessage('back_dialog_title'),
-    'baconeggs_name': MessageLookupByLibrary.simpleMessage('baconeggs_name'),
-    'bananajuice_name': MessageLookupByLibrary.simpleMessage('bananajuice_name'),
-    'bananapop_name': MessageLookupByLibrary.simpleMessage('bananapop_name'),
-    'barnaclepita_name': MessageLookupByLibrary.simpleMessage('barnaclepita_name'),
-    'barnaclestuffedfishhead_name': MessageLookupByLibrary.simpleMessage('barnaclestuffedfishhead_name'),
-    'barnaclesushi_name': MessageLookupByLibrary.simpleMessage('barnaclesushi_name'),
-    'barnaclinguine_name': MessageLookupByLibrary.simpleMessage('barnaclinguine_name'),
-    'basic': MessageLookupByLibrary.simpleMessage('basic'),
-    'batnosehat_name': MessageLookupByLibrary.simpleMessage('batnosehat_name'),
-    'beefalofeed_name': MessageLookupByLibrary.simpleMessage('beefalofeed_name'),
-    'beefalotreat_name': MessageLookupByLibrary.simpleMessage('beefalotreat_name'),
-    'bonestew_name': MessageLookupByLibrary.simpleMessage('bonestew_name'),
-    'bunnystew_name': MessageLookupByLibrary.simpleMessage('bunnystew_name'),
-    'butterflymuffin': MessageLookupByLibrary.simpleMessage('butterflymuffin'),
-    'butterflymuffin_name': MessageLookupByLibrary.simpleMessage('butterflymuffin_name'),
-    'californiaroll_name': MessageLookupByLibrary.simpleMessage('californiaroll_name'),
-    'cancel': MessageLookupByLibrary.simpleMessage('cancel'),
-    'carrot_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('carrot_seeds_assumed_name'),
-    'ceviche_name': MessageLookupByLibrary.simpleMessage('ceviche_name'),
-    'compost': MessageLookupByLibrary.simpleMessage('compost'),
-    'compostwrap': MessageLookupByLibrary.simpleMessage('compostwrap'),
-    'confirm': MessageLookupByLibrary.simpleMessage('confirm'),
-    'corn_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('corn_seeds_assumed_name'),
-    'crops': MessageLookupByLibrary.simpleMessage('crops'),
-    'delete': MessageLookupByLibrary.simpleMessage('delete'),
-    'dense': MessageLookupByLibrary.simpleMessage('dense'),
-    'done': MessageLookupByLibrary.simpleMessage('done'),
-    'dragonfruit_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('dragonfruit_seeds_assumed_name'),
-    'dragonpie_name': MessageLookupByLibrary.simpleMessage('dragonpie_name'),
-    'durian_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('durian_seeds_assumed_name'),
-    'dustmeringue_name': MessageLookupByLibrary.simpleMessage('dustmeringue_name'),
-    'edit': MessageLookupByLibrary.simpleMessage('edit'),
-    'eggplant_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('eggplant_seeds_assumed_name'),
-    'family_condition_satisfying_text': MessageLookupByLibrary.simpleMessage('family_condition_satisfying_text'),
-    'family_condition_unsatisfying_first_text': MessageLookupByLibrary.simpleMessage('family_condition_unsatisfying_first_text'),
-    'family_condition_unsatisfying_secondary_text': MessageLookupByLibrary.simpleMessage('family_condition_unsatisfying_secondary_text'),
-    'fertilizer': MessageLookupByLibrary.simpleMessage('fertilizer'),
-    'fertilizer_selection_tooltip': MessageLookupByLibrary.simpleMessage('fertilizer_selection_tooltip'),
-    'fertilizers': MessageLookupByLibrary.simpleMessage('fertilizers'),
-    'figatoni_name': MessageLookupByLibrary.simpleMessage('figatoni_name'),
-    'figkabab_name': MessageLookupByLibrary.simpleMessage('figkabab_name'),
-    'fishsticks_name': MessageLookupByLibrary.simpleMessage('fishsticks_name'),
-    'fishtacos_name': MessageLookupByLibrary.simpleMessage('fishtacos_name'),
-    'flowersalad_name': MessageLookupByLibrary.simpleMessage('flowersalad_name'),
-    'frogglebunwich_name': MessageLookupByLibrary.simpleMessage('frogglebunwich_name'),
-    'frognewton_name': MessageLookupByLibrary.simpleMessage('frognewton_name'),
-    'frozenbananadaiquiri_name': MessageLookupByLibrary.simpleMessage('frozenbananadaiquiri_name'),
-    'fruitmedley_name': MessageLookupByLibrary.simpleMessage('fruitmedley_name'),
-    'garlic_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('garlic_seeds_assumed_name'),
-    'giant_crop': MessageLookupByLibrary.simpleMessage('giant_crop'),
-    'glommerfuel': MessageLookupByLibrary.simpleMessage('glommerfuel'),
-    'growthFormula': MessageLookupByLibrary.simpleMessage('growthFormula'),
-    'guacamole_name': MessageLookupByLibrary.simpleMessage('guacamole_name'),
-    'guano': MessageLookupByLibrary.simpleMessage('guano'),
-    'hide': MessageLookupByLibrary.simpleMessage('hide'),
-    'honeyham_name': MessageLookupByLibrary.simpleMessage('honeyham_name'),
-    'honeynuggets_name': MessageLookupByLibrary.simpleMessage('honeynuggets_name'),
-    'hotchili_name': MessageLookupByLibrary.simpleMessage('hotchili_name'),
-    'icecream_name': MessageLookupByLibrary.simpleMessage('icecream_name'),
-    'jammypreserves_name': MessageLookupByLibrary.simpleMessage('jammypreserves_name'),
-    'jellybean_name': MessageLookupByLibrary.simpleMessage('jellybean_name'),
-    'justeggs_name': MessageLookupByLibrary.simpleMessage('justeggs_name'),
-    'kabobs_name': MessageLookupByLibrary.simpleMessage('kabobs_name'),
-    'koalefig_trunk_name': MessageLookupByLibrary.simpleMessage('koalefig_trunk_name'),
-    'leafloaf_name': MessageLookupByLibrary.simpleMessage('leafloaf_name'),
-    'leafymeatburger_name': MessageLookupByLibrary.simpleMessage('leafymeatburger_name'),
-    'leafymeatsouffle_name': MessageLookupByLibrary.simpleMessage('leafymeatsouffle_name'),
-    'lobsterbisque_name': MessageLookupByLibrary.simpleMessage('lobsterbisque_name'),
-    'lobsterdinner_name': MessageLookupByLibrary.simpleMessage('lobsterdinner_name'),
-    'mandrakesoup_name': MessageLookupByLibrary.simpleMessage('mandrakesoup_name'),
-    'manure': MessageLookupByLibrary.simpleMessage('manure'),
-    'mashedpotatoes_name': MessageLookupByLibrary.simpleMessage('mashedpotatoes_name'),
-    'meatballs_name': MessageLookupByLibrary.simpleMessage('meatballs_name'),
-    'meatysalad_name': MessageLookupByLibrary.simpleMessage('meatysalad_name'),
-    'menu_cook': MessageLookupByLibrary.simpleMessage('menu_cook'),
-    'menu_farm': MessageLookupByLibrary.simpleMessage('menu_farm'),
-    'mix': MessageLookupByLibrary.simpleMessage('mix'),
-    'monsterlasagna_name': MessageLookupByLibrary.simpleMessage('monsterlasagna_name'),
-    'name': MessageLookupByLibrary.simpleMessage('name'),
-    'no_crops_message': MessageLookupByLibrary.simpleMessage('no_crops_message'),
-    'nutrient_condition_satisfying_first_text': MessageLookupByLibrary.simpleMessage('nutrient_condition_satisfying_first_text'),
-    'nutrient_condition_unsatisfying_first_text': MessageLookupByLibrary.simpleMessage('nutrient_condition_unsatisfying_first_text'),
-    'nutrient_condition_unsatisfying_secondary_text': MessageLookupByLibrary.simpleMessage('nutrient_condition_unsatisfying_secondary_text'),
-    'onion_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('onion_seeds_assumed_name'),
-    'pepper_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('pepper_seeds_assumed_name'),
-    'pepperpopper_name': MessageLookupByLibrary.simpleMessage('pepperpopper_name'),
-    'perogies_name': MessageLookupByLibrary.simpleMessage('perogies_name'),
-    'pomegranate_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('pomegranate_seeds_assumed_name'),
-    'poop': MessageLookupByLibrary.simpleMessage('poop'),
-    'potato_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('potato_seeds_assumed_name'),
-    'potatotornado_name': MessageLookupByLibrary.simpleMessage('potatotornado_name'),
-    'powcake_name': MessageLookupByLibrary.simpleMessage('powcake_name'),
-    'pumpkin_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('pumpkin_seeds_assumed_name'),
-    'pumpkincookie_name': MessageLookupByLibrary.simpleMessage('pumpkincookie_name'),
-    'ratatouille_name': MessageLookupByLibrary.simpleMessage('ratatouille_name'),
-    'recipe_list_guide_message': MessageLookupByLibrary.simpleMessage('recipe_list_guide_message'),
-    'reverse_dense': MessageLookupByLibrary.simpleMessage('reverse_dense'),
-    'rottenegg': MessageLookupByLibrary.simpleMessage('rottenegg'),
-    'salsa_name': MessageLookupByLibrary.simpleMessage('salsa_name'),
-    'seafoodgumbo_name': MessageLookupByLibrary.simpleMessage('seafoodgumbo_name'),
-    'season': MessageLookupByLibrary.simpleMessage('season'),
-    'seasonConditionSatisfyingText': m0,
-    'season_condition_unsatisfying_first_text': MessageLookupByLibrary.simpleMessage('season_condition_unsatisfying_first_text'),
-    'season_condition_unsatisfying_secondary_text': MessageLookupByLibrary.simpleMessage('season_condition_unsatisfying_secondary_text'),
-    'seeds': MessageLookupByLibrary.simpleMessage('seeds'),
-    'show': MessageLookupByLibrary.simpleMessage('show'),
-    'show_hidden_items': MessageLookupByLibrary.simpleMessage('show_hidden_items'),
-    'show_seeds_alias': MessageLookupByLibrary.simpleMessage('show_seeds_alias'),
-    'shroombait_name': MessageLookupByLibrary.simpleMessage('shroombait_name'),
-    'shroomcake_name': MessageLookupByLibrary.simpleMessage('shroomcake_name'),
-    'soil_amender': MessageLookupByLibrary.simpleMessage('soil_amender'),
-    'spoiled_fish': MessageLookupByLibrary.simpleMessage('spoiled_fish'),
-    'spoiled_fish_small': MessageLookupByLibrary.simpleMessage('spoiled_fish_small'),
-    'spoiled_food': MessageLookupByLibrary.simpleMessage('spoiled_food'),
-    'spring': MessageLookupByLibrary.simpleMessage('spring'),
-    'stuffedeggplant_name': MessageLookupByLibrary.simpleMessage('stuffedeggplant_name'),
-    'suitable_seasons': MessageLookupByLibrary.simpleMessage('suitable_seasons'),
-    'summer': MessageLookupByLibrary.simpleMessage('summer'),
-    'surfnturf_name': MessageLookupByLibrary.simpleMessage('surfnturf_name'),
-    'sweettea_name': MessageLookupByLibrary.simpleMessage('sweettea_name'),
-    'taffy_name': MessageLookupByLibrary.simpleMessage('taffy_name'),
-    'talleggs_name': MessageLookupByLibrary.simpleMessage('talleggs_name'),
-    'tomato_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('tomato_seeds_assumed_name'),
-    'trailmix_name': MessageLookupByLibrary.simpleMessage('trailmix_name'),
-    'treegrowthsolution': MessageLookupByLibrary.simpleMessage('treegrowthsolution'),
-    'turkeydinner_name': MessageLookupByLibrary.simpleMessage('turkeydinner_name'),
-    'unagi_name': MessageLookupByLibrary.simpleMessage('unagi_name'),
-    'veggieomlet_name': MessageLookupByLibrary.simpleMessage('veggieomlet_name'),
-    'vegstinger_name': MessageLookupByLibrary.simpleMessage('vegstinger_name'),
-    'waffles_name': MessageLookupByLibrary.simpleMessage('waffles_name'),
-    'watermelon_seeds_assumed_name': MessageLookupByLibrary.simpleMessage('watermelon_seeds_assumed_name'),
-    'watermelonicle_name': MessageLookupByLibrary.simpleMessage('watermelonicle_name'),
-    'wetgoop_name': MessageLookupByLibrary.simpleMessage('wetgoop_name'),
-    'winter': MessageLookupByLibrary.simpleMessage('winter')
-  };
-}
diff --git a/macos/Podfile.lock b/macos/Podfile.lock
index 0a78730..6741893 100644
--- a/macos/Podfile.lock
+++ b/macos/Podfile.lock
@@ -22,7 +22,7 @@ EXTERNAL SOURCES:
 SPEC CHECKSUMS:
   FlutterMacOS: 8f6f14fa908a6fb3fba0cd85dbd81ec4b251fb24
   shared_preferences_foundation: fcdcbc04712aee1108ac7fda236f363274528f78
-  url_launcher_macos: 5f437abeda8c85500ceb03f5c1938a8c5a705399
+  url_launcher_macos: c82c93949963e55b228a30115bd219499a6fe404
 
 PODFILE CHECKSUM: 236401fc2c932af29a9fcf0e97baeeb2d750d367
 
diff --git a/pubspec.lock b/pubspec.lock
index 8a2a25d..f50f261 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -182,6 +182,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.3.7"
+  equatable:
+    dependency: transitive
+    description:
+      name: equatable
+      sha256: "567c64b3cb4cf82397aac55f4f0cbd3ca20d77c6c03bedbc4ceaddc08904aef7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.7"
   fake_async:
     dependency: transitive
     description:
@@ -298,6 +306,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "4.1.2"
+  iconsax_flutter:
+    dependency: transitive
+    description:
+      name: iconsax_flutter
+      sha256: "95b65699da8ea98f87c5d232f06b0debaaf1ec1332b697e4d90969ec9a93037d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
   intersperse:
     dependency: "direct main"
     description:
@@ -490,6 +506,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "2.3.0"
+  pausable_timer:
+    dependency: transitive
+    description:
+      name: pausable_timer
+      sha256: "6ef1a95441ec3439de6fb63f39a011b67e693198e7dae14e20675c3c00e86074"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.0+3"
   platform:
     dependency: transitive
     description:
@@ -711,6 +735,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.2"
+  toastification:
+    dependency: "direct main"
+    description:
+      name: toastification
+      sha256: "4d97fbfa463dfe83691044cba9f37cb185a79bb9205cfecb655fa1f6be126a13"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.0"
   typed_data:
     dependency: transitive
     description:
diff --git a/pubspec.yaml b/pubspec.yaml
index 1653485..ce21866 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -53,6 +53,7 @@ dependencies:
   intersperse: ^2.0.0
   intl_translation: ^0.20.0
   styled_text: ^8.1.0
+  toastification: ^2.3.0
 
 dev_dependencies:
   flutter_test: