fix: delete code param when get success

app.py

@@ -343,6 +343,14 @@ with tab2:
             token = token_response.json()["access_token"]
             st.session_state.token = token
             st.success("🎉 Lấy access token thành công!")
+
+            st.markdown("""
+                <script>
+                    const url = new URL(window.location.href);
+                    url.searchParams.delete("code");
+                    window.history.replaceState({}, document.title, url.pathname);
+                </script>
+            """, unsafe_allow_html=True)
     
             # Lấy page
             pages_response = requests.get(f"{FB_API_URL}/me/accounts", params={"access_token": token})