diff --git a/src/main.rs b/src/main.rs
index c6653f5..a8a9b51 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -258,6 +258,40 @@ async fn handle_inner(
         }
     }
 
+    if let Some(audio) = msg.audio() {
+        let fallback = format!("audio_{}.ogg", Local::now().format("%H%M%S"));
+        let name = audio.file_name.as_deref().unwrap_or(&fallback);
+        match download_tg_file(bot, &audio.file.id, name).await {
+            Ok(p) => uploaded.push(p),
+            Err(e) => download_errors.push(format!("audio: {e:#}")),
+        }
+    }
+
+    if let Some(voice) = msg.voice() {
+        let name = format!("voice_{}.ogg", Local::now().format("%H%M%S"));
+        match download_tg_file(bot, &voice.file.id, &name).await {
+            Ok(p) => uploaded.push(p),
+            Err(e) => download_errors.push(format!("voice: {e:#}")),
+        }
+    }
+
+    if let Some(video) = msg.video() {
+        let fallback = format!("video_{}.mp4", Local::now().format("%H%M%S"));
+        let name = video.file_name.as_deref().unwrap_or(&fallback);
+        match download_tg_file(bot, &video.file.id, name).await {
+            Ok(p) => uploaded.push(p),
+            Err(e) => download_errors.push(format!("video: {e:#}")),
+        }
+    }
+
+    if let Some(vn) = msg.video_note() {
+        let name = format!("videonote_{}.mp4", Local::now().format("%H%M%S"));
+        match download_tg_file(bot, &vn.file.id, &name).await {
+            Ok(p) => uploaded.push(p),
+            Err(e) => download_errors.push(format!("video_note: {e:#}")),
+        }
+    }
+
     if text.is_empty() && uploaded.is_empty() {
         if !download_errors.is_empty() {
             let err_msg = format!("[文件下载失败]\n{}", download_errors.join("\n"));
@@ -516,16 +550,38 @@ async fn run_claude_streaming(
         }
     }
 
-    let _ = child.wait().await;
+    // read stderr before waiting (in case child already exited)
+    let stderr_handle = child.stderr.take();
+    let status = child.wait().await;
 
-    if is_error {
-        // clean up streaming message if we sent one
+    // collect stderr for diagnostics
+    let stderr_text = if let Some(mut se) = stderr_handle {
+        let mut buf = String::new();
+        let _ = tokio::io::AsyncReadExt::read_to_string(&mut se, &mut buf).await;
+        buf
+    } else {
+        String::new()
+    };
+
+    // determine error: explicit is_error from stream, or non-zero exit with no result
+    let has_error = is_error
+        || (final_result.is_empty()
+            && status.as_ref().map(|s| !s.success()).unwrap_or(true));
+
+    if has_error {
+        let err_detail = if !final_result.is_empty() {
+            final_result.clone()
+        } else if !stderr_text.is_empty() {
+            stderr_text.trim().to_string()
+        } else {
+            format!("claude exited: {:?}", status)
+        };
         if let Some(id) = msg_id {
             let _ = bot
-                .edit_message_text(chat_id, id, format!("[error] {final_result}"))
+                .edit_message_text(chat_id, id, format!("[error] {err_detail}"))
                 .await;
         }
-        anyhow::bail!("{final_result}");
+        anyhow::bail!("{err_detail}");
     }
 
     if final_result.is_empty() {