Update placeholder text for inputbox.

webui.py

@@ -113,7 +113,7 @@ def main():
 
         chatbot = gr.Chatbot(elem_id='chatbot')
         with gr.Column():
-            user_input = gr.Textbox(show_label=False, placeholder="输入", lines=1, container=False)
+            user_input = gr.Textbox(show_label=False, placeholder="Input", lines=1, container=False)
             with gr.Row():
                 submitBtn = gr.Button("Send", variant="primary")
                 retryBtn = gr.Button("Retry")