Update app.py

app.py

@@ -64,4 +64,8 @@ with gr.Blocks(css=".gradio-container {background-image: url('file=background.jp
     file5_button.click(Plt, inputs=file5_input, outputs=file5_output)
 
 if __name__ == "__main__":
-    demo.launch()
+    login = Login()
+    if login.right:
+        demo.launch()
+    else:
+        exit()