diff --git a/G102-sequence/tdv_sdk.js b/G102-sequence/tdv_sdk.js
index 7d1a353..2782bff 100644
--- a/G102-sequence/tdv_sdk.js
+++ b/G102-sequence/tdv_sdk.js
@@ -108,35 +108,105 @@ var tdv_sdk = {
     onLeaderboardLoaded: function (data) { console.log("SDK: Leaderboard Loaded",data); },
 
     // --- KHỞI TẠO & LOAD DỮ LIỆU ---
-    init: function () {
-        var self = this;
-        const urlParams = new URLSearchParams(window.location.search);
-        const bgParam = urlParams.get('bg');
-        if (bgParam) {
-            this.themeSettings.current_bg = bgParam.startsWith('bg') ? bgParam : "bg" + bgParam;
-        }
-        const id = urlParams.get('game_id') || this.gameID;
-        console.log("🔌 SDK: Sentence Game Initialized. Waiting for data...");
-        window.parent.postMessage({
-            type: "GAME_READY",
-            game_id: id,
-            available_bgs: this.themeSettings.bg_list,
-            selected_bg: this.themeSettings.current_bg
-        }, "*");
+    init: function (config) {
+    var self = this;
+    config = config || {};
+    var urlParams = new URLSearchParams(window.location.search);
 
-        if (urlParams.has('offline') || urlParams.has('demo')) {
-            console.log("🔧 SDK: Offline/Demo mode - Loading default data");
-            this.loadDefaultData();
-        } else {
-            setTimeout(function () {
-                if (!self.serverDataLoaded && self.list.length === 0) {
-                    console.warn("⚠️ SDK: No server data after 3s - Loading default data");
-                    self.loadDefaultData();
-                }
-            }, 3000);
+    this.mode = config.mode || urlParams.get('mode') || 'live';
+    this.game_code = config.game_code || urlParams.get('game_code') || 'SQ_SENTENCE';
+
+    // Auto preview
+    if (window.self === window.parent && this.mode === 'live') {
+        console.log("⚠️ Standalone detected - Switching to PREVIEW");
+        this.mode = 'preview';
+    }
+
+    // Globals cho Construct 2 (GIỮ)
+    window.answerResult = -1;
+    window.gameState = 0;
+
+    // BG
+    var bgParam = urlParams.get('bg');
+    if (bgParam) {
+        this.themeSettings.current_bg = bgParam.startsWith('bg') ? bgParam : "bg" + bgParam;
+    }
+
+    console.log(`🚀 TDV SDK Init | Mode: ${this.mode} | Code: ${this.game_code}`);
+
+    // ===== CHECK SDK =====
+    if (typeof SenaGameSDK === 'undefined') {
+        console.error("❌ SenaGameSDK not found! Fallback to local default data.");
+        setTimeout(function () {
+            self.load(self.defaultData);
+        }, 500);
+        return;
+    }
+
+    // ===== INIT SDK =====
+    this.sdk = new SenaGameSDK({
+        iframePath: './sdk/package/dist/sdk-iframe/index.html',
+        mode: this.mode,
+        gameCode: this.game_code,
+        debug: true,
+
+        // SDK sẵn sàng → push data
+        onReady: function (sdk) {
+            console.log("✅ SDK Ready → pushing defaultData");
+            sdk.pushData({
+                items: self.defaultData.data   // QUAN TRỌNG: map đúng field
+            });
+        },
+
+        // SDK trả data đã xử lý
+        onDataReady: function (data) {
+            var items = data && data.items ? data.items : [];
+            console.log("📥 SDK DataReady:", items.length);
+
+            if (items.length > 0) {
+                self.serverDataLoaded = true;
+                self.load({
+                    data: items,
+                    blank_count: data.blank_count || self.defaultData.blank_count
+                });
+            } else {
+                console.warn("⚠️ SDK returned empty items");
+            }
+        },
+
+        // Kết quả từng câu
+        onAnswerResult: function (result) {
+            console.log("📝 Answer Result:", result);
+            self.handleAnswerResult(result);
+        },
+
+        // Game complete
+        onGameComplete: function (result) {
+            console.log("🏁 Game Complete:", result);
+            self.onGameFinished(result);
+        },
+
+        onSessionStart: function (session) {
+            console.log("🎮 Session:", session);
+            self.gameID = session.gameId;
+            self.userId = session.userId;
+        },
+
+        onError: function (error) {
+            console.error("❌ SDK Error:", error);
         }
+    });
+
+    // ===== TIMEOUT FALLBACK =====
+    setTimeout(function () {
+        if (!self.serverDataLoaded) {
+            console.warn("⚠️ SDK timeout → fallback defaultData");
+            self.load(self.defaultData);
+        }
+        }, 5000);
     },
 
+
     loadDefaultData: function () {
         if (this.list && this.list.length > 0) {
             console.log("📦 SDK: Data already loaded, skipping default");
@@ -1185,11 +1255,4 @@ var tdv_sdk = {
         }
         return (attr === 'score') ? "0" : (attr === 'time_spent') ? "0s" : "";
     }
-};
-
-window.addEventListener("message", function (event) {
-    if (!event.data) return;
-    if (event.data.type === "SERVER_PUSH_DATA") tdv_sdk.load(event.data.jsonData);
-    if (event.data.type === "SERVER_PUSH_LEADERBOARD") tdv_sdk.loadLeaderboard(event.data.leaderboardData);
-    if (event.data.type === "SDK_ANSWER_RESULT") { tdv_sdk.handleAnswerResult(event.data); }
-});
+};
\ No newline at end of file