Update app.py

app.py

@@ -126,6 +126,10 @@ if "history" + current_chat not in st.session_state:
             for k, v in value.items():
                 st.session_state[k + current_chat + "value"] = v
 
+# 一键复制按钮
+st.markdown('<center><a href="https://huggingface.co/spaces/Pearx/ChatGPT-Assistant?duplicate=true">'
+            '<img src="https://bit.ly/3gLdBN6" alt="Duplicate Space"></a><center>', unsafe_allow_html=True)
+
 # 对话展示
 show_messages(st.session_state["history" + current_chat])