Update src/streamlit_app.py

src/streamlit_app.py

@@ -837,15 +837,10 @@ if st.session_state.ready_to_continue:
                                     label="📥 Download full dataset (CSV)",
                                     data=f,
                                     file_name=os.path.basename(save_path),
-                                    mime="text/csv"
-                                )
-                            with open(save_path, "rb") as f:
-                                st.download_button(
-                                    label="📥 Download full dataset (CSV)",
-                                    data=f,
-                                    file_name=os.path.basename(save_path),
-                                    mime="text/csv"
+                                    mime="text/csv",
+                                    key=generate_download_button_key(df, idx)
                                 )
+
                 if 'progress_bar' in locals():
                     progress_bar.progress((idx + 1) / total)
 
@@ -874,7 +869,8 @@ if st.session_state.ready_to_continue:
                             label="📥 Download full dataset (CSV)",
                             data=f,
                             file_name=os.path.basename(tmp_path),
-                            mime="text/csv"
+                            mime="text/csv",
+                            key=generate_download_button_key(df, idx)
                         )
 
     # 检索完成后打标记