Update app.py

app.py

@@ -143,7 +143,7 @@ def save_qa_history(history_data):
 def add_to_qa_history(query: str, answer: str):
     """Add new QA pair to history"""
     history_entry = {
-        "timestamp": (datetime.now() + timedelta(hours=7)).isoformat(),
+        "timestamp": (datetime.now() + timedelta(hours=6)).isoformat(),
         "query": query,
         "answer": answer
     }
@@ -334,7 +334,7 @@ def main():
                 </div>
             </div>
         """.format(
-            (datetime.now() + timedelta(hours=7)).strftime('%Y-%m-%d %H:%M:%S'),
+            (datetime.now() + timedelta(hours=6)).strftime('%Y-%m-%d %H:%M:%S'),
             "status-online" if st.session_state.pipeline else "status-offline",
             "🟢" if st.session_state.pipeline else "🔴",
             "พร้อมใช้งาน" if st.session_state.pipeline else "ไม่พร้อมใช้งาน"