Update app.py

app.py

@@ -29,7 +29,7 @@ def update_table(category):
 def get_user(profile):
     if profile is None:
         return "Please log in to see your username."
-    return f"Hello {profile.username}"
+    return {profile.username}
 
 
 
@@ -101,8 +101,10 @@ with gr.Blocks() as app:
             # else:
             #     login_button = gr.LoginButton()
 
-            username_text = gr.Textbox(label="Username", interactive=False, value="")
-            gr.LoginButton()
+            login_button = gr.LoginButton()
+            username_text = gr.Variable(value="Please log in to see your username.")  # 这里使用Variable来存储用户名
+            login_button.output(username_text, fn=get_user)
+
             category = gr.Dropdown(
                 choices=["Biology", "Physics", "Business", "Chemistry", "Economics", "Philosophy", "History", "Culture", "Computer Science", "Math", "Health", "Law", "Engineering", "Other"], 
                 label="Select Category"
@@ -110,10 +112,7 @@ with gr.Blocks() as app:
             vote = gr.CheckboxGroup(choices=["Option 1", "Option 2", "Option 3"], label="Choose your options")
             submit_button = gr.Button("Submit Vote")
             submit_result = gr.Label()
-            if username_text:
-                submit_button.click(fn=submit_vote, inputs=[username_text, category, vote], outputs=submit_result)
-            else:
-                submit_button.click(fn=lambda: "Please log in to submit your vote.", inputs=[], outputs=submit_result)
+            submit_button.click(fn=submit_vote, inputs=[username_text, category, votes], outputs=submit_result)
 
         
         # with gr.TabItem("Submit Model"):