diff --git a/README.md b/README.md
index 119a3f8..48d9e33 100644
--- a/README.md
+++ b/README.md
@@ -9,4 +9,5 @@ bun add fr-compromise conjugation-fr discord.js
 # version 
 - 0.1.1 : initialisation et création du code
 - 0.2.1 : ajout de modules de détection
-- 0.2.2 : rajout de nouveaux comportement (détection d'un feur par quelqu'un d'autre, ...)
\ No newline at end of file
+- 0.2.2 : rajout de nouveaux comportement (détection d'un feur par quelqu'un d'autre, ...)
+- 0.3.1 : ajout de db (retention de setting) et maj des dependences
\ No newline at end of file
diff --git a/db.js b/db.js
new file mode 100644
index 0000000..effde44
--- /dev/null
+++ b/db.js
@@ -0,0 +1,84 @@
+import Database from 'better-sqlite3';
+
+// Initialisation (crée le fichier s'il n'existe pas)
+export const db = new Database('./db.sqlite');
+
+const settingsDefaultValues = {
+  quoiAnswerPercentage: 100,
+  quoicoubehAnswerPercentage: 100,
+  feurAnswerPercentage: 100,
+  mentionAnswerPercentage: 100,
+  forcedAnswerRoleId: null,
+  ignoredRoleId: null,
+};
+
+function initDb() {
+  // .exec pour les scripts sans paramètres
+  db.exec(`
+    CREATE TABLE IF NOT EXISTS IgnoredChannels (
+      channelId VARCHAR PRIMARY KEY,
+      guildId VARCHAR
+    );
+  `);
+
+  db.exec(`
+    CREATE TABLE IF NOT EXISTS Config (
+      guildId VARCHAR PRIMARY KEY,
+      quoiAnswerPercentage INTEGER NOT NULL DEFAULT ${settingsDefaultValues.quoiAnswerPercentage},
+      quoicoubehAnswerPercentage INTEGER NOT NULL DEFAULT ${settingsDefaultValues.quoicoubehAnswerPercentage},
+      feurAnswerPercentage INTEGER NOT NULL DEFAULT ${settingsDefaultValues.feurAnswerPercentage},
+      mentionAnswerPercentage INTEGER NOT NULL DEFAULT ${settingsDefaultValues.mentionAnswerPercentage},
+      forcedAnswerRoleId VARCHAR,
+      ignoredRoleId VARCHAR
+    );
+  `);
+}
+
+export function addChannelToIgnoreList(channelId, guildId) {
+  return db.prepare(`
+    INSERT INTO IgnoredChannels (channelId, guildId)
+    VALUES (?, ?)
+    ON CONFLICT(channelId) DO NOTHING
+  `).run(channelId, guildId);
+}
+
+export function getIgnoredChannels(guildId) {
+  return db.prepare(`
+    SELECT channelId
+    FROM IgnoredChannels
+    WHERE guildId = ?
+  `).all(guildId);
+}
+
+export function removeChannelFromIgnoreList(channelId) {
+  return db.prepare(`
+    DELETE FROM IgnoredChannels
+    WHERE channelId = ?
+  `).run(channelId);
+}
+
+export function setSetting(guildId, setting, value) {
+  // ${setting} est injecté directement (nom de colonne)
+  return db.prepare(`
+    INSERT INTO Config (guildId, ${setting})
+    VALUES (?, ?)
+    ON CONFLICT(guildId) DO UPDATE SET ${setting} = ?
+  `).run(guildId, value, value);
+}
+
+export function getSetting(guildId, setting) {
+  // .pluck() permet de récupérer directement la valeur au lieu d'un objet { colonne: valeur }
+  const result = db.prepare(`
+    SELECT ${setting}
+    FROM Config
+    WHERE guildId = ?
+  `).pluck().get(guildId);
+
+  if (result === undefined) {
+    return settingsDefaultValues[setting];
+  }
+
+  return result;
+}
+
+initDb();
\ No newline at end of file
diff --git a/package.json b/package.json
index 8a66215..521a4e2 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,5 @@
 {
   "name": "genius-troll",
-  "version": "1.0",
-  "description": "",
   "repository": {
     "type": "git",
     "url": "https://dev.ldelforge.com/TRUkae/genius-troll.git"
@@ -17,6 +15,8 @@
     "conjugation-fr": "^0.3.4",
     "discord.js": "^14.25.0",
     "dotenv": "^17.2.3",
-    "fr-compromise": "^0.2.8"
+    "fr-compromise": "^0.2.8",
+    "better-sqlite3": "^11.0.0"
+
   }
 }