diff --git a/G102-sequence/tdv_sdk.js b/G102-sequence/tdv_sdk.js
index e53c497..77229e3 100644
--- a/G102-sequence/tdv_sdk.js
+++ b/G102-sequence/tdv_sdk.js
@@ -254,13 +254,30 @@ var tdv_sdk = {
     lastLoadedLevel: -1,
 
     loadQuestions: function () {
+        if (this.lastLoadedLevel === this.level && this.currentWords.length > 0) {
+            console.log("⏭️ Sentence", this.level + 1, "already loaded, skipping...");
+            return;
+        }
+
         this.currentQuestion = this.list[this.level];
-        this.questionStartTime = new Date();
-        window.gameState = 0;
-        window.answerResult = -1;
         if (this.currentQuestion) {
-            if (!this.currentQuestion.id) this.currentQuestion.id = "Q" + (this.level + 1);
-            console.log(`📝 Loaded Q${this.level + 1}: ${this.currentQuestion.question}`);
+            // ===== NORMALIZE DATA (COMPANY STANDARD) =====
+                var q = this.currentQuestion;
+
+                // Chuẩn công ty
+                if (q.question && !q.sentence) {
+                    q.sentence = q.question;
+                }
+
+                // Options / words
+                if (Array.isArray(q.options) && !q.parts) {
+                    q.parts = q.options;
+                }
+
+                // Fallback cuối
+                if (!q.parts && q.sentence) {
+                    q.parts = q.sentence.split(/\s+/);
+                }
         }
     },