feat: 尽量将用户可见日志替换成中文，修复部分问题

src/bilibili/danmaku/danmu.rs

@@ -1,5 +1,5 @@
 //! 一个弹幕实例，但是没有位置信息
-use anyhow::Result;
+use anyhow::{bail, Result};
 
 use super::canvas::CanvasConfig;
 #[derive(Debug, Clone, Copy, PartialEq, Eq, Default)]
@@ -18,7 +18,8 @@ impl DanmuType {
             4 => DanmuType::Bottom,
             5 => DanmuType::Top,
             6 => DanmuType::Reverse,
-            _ => unreachable!(),
+            // 高级弹幕、代码弹幕等，不支持，这里 return error，外面 unwrap_or_default 当成 Float 处理
+            _ => bail!("UnSupported danmu type"),
         })
     }
 }

src/bilibili/favorite_list.rs

@@ -107,7 +107,7 @@ impl<'a> FavoriteList<'a> {
                     },
                 };
                 if !videos["data"]["medias"].is_array() {
-                    error!("no medias found in favorite {} page {}", self.fid, page);
+                    warn!("no medias found in favorite {} page {}", self.fid, page);
                     break;
                 }
                 let videos_info = match serde_json::from_value::<Vec<VideoInfo>>(videos["data"]["medias"].take()) {

src/bilibili/video.rs

@@ -114,16 +114,23 @@ impl<'a> Video<'a> {
     }
 
     async fn get_danmaku_segment(&self, page: &PageInfo, segment_idx: i32) -> Result<Vec<DanmakuElem>> {
-        let res = self
+        let mut res = self
             .client
             .request(Method::GET, "http://api.bilibili.com/x/v2/dm/web/seg.so")
             .query(&[("type", 1), ("oid", page.cid), ("segment_index", segment_idx)])
             .send()
             .await?
-            .error_for_status()?
-            .bytes()
-            .await?;
-        Ok(DmSegMobileReply::decode(res)?.elems)
+            .error_for_status()?;
+        let headers = std::mem::take(res.headers_mut());
+        let content_type = headers.get("content-type");
+        if !content_type.is_some_and(|v| v == "application/octet-stream") {
+            bail!(
+                "unexpected content type: {:?}, body: {:?}",
+                content_type,
+                res.text().await
+            );
+        }
+        Ok(DmSegMobileReply::decode(res.bytes().await?)?.elems)
     }
 
     pub async fn get_page_analyzer(&self, page: &PageInfo) -> Result<PageAnalyzer> {