Update app.py

app.py

@@ -112,7 +112,7 @@ def infer(message:str, history: list):
             db_path = create_col(documents)
             memory = ChatMemoryBuffer.from_defaults(token_limit=3900)
         elif not message["text"].startswith("http://") and not message["text"].startswith("https://") and len(history) == 0:
-            raise gr.Error("请先输入网址或上传文档。")
+            raise gr.Error("Please send an URL or document")
             
 
     # Load from disk
@@ -130,7 +130,7 @@ def infer(message:str, history: list):
     )
 
     if option == "web" and len(history) == 0:
-        response = "获取成功，开始对话吧！"   
+        response = "Getcha! Now ask your question."   
     else: 
         question = message['text']
 
@@ -163,11 +163,20 @@ css="""
 footer {
     display:none !important
 }
+h1 {
+    text-align: center;
+    display: block;
+}
 """
 
+title=gr.Markdown("""
+<h1>RAG demo</h1>
+<p style="text-align: center">Retrieval for web and documents</p>
+"""
+)
 
 
-chatbot = gr.Chatbot(placeholder="请先输入网址或上传文档<br>然后进行对话", height=960)
+chatbot = gr.Chatbot(placeholder="Please send an URL or document file at first<br>Then ask question and get an answer.", height=800)
 
 with gr.Blocks(theme="soft", css=css, fill_height="true") as demo:
     gr.ChatInterface(