Update app.py

app.py

@@ -1,14 +1,11 @@
+import os
 import streamlit as st
+import streamlit.components.v1 as components
 
 st.set_page_config(layout="wide")
 
-# Embed the external Streamlit webpage
-st.markdown(
-    """
-    <div class="fullScreenFrame">
-        <iframe src="https://internvl.opengvlab.com/"></iframe>
-    </div>
-    """,
-    unsafe_allow_html=True,
-)
+backend_url = os.getenv("backend", "https://internvl.opengvlab.com/")  # 如果环境变量不存在，则使用默认 URL
 
+iframe_html = f'<iframe src="{backend_url}" width="100%" height="800"></iframe>'
+
+components.html(iframe_html, height=800)