refactor: address code review - extract constants, improve logging

- Extract Pattern constants as static final fields
- Extract PAGE_SIZE constant for API pagination
- Add logging for NumberFormatException in file size parsing

Agent-Logs-Url: https://github.com/qaiu/netdisk-fast-download/sessions/56418d09-a396-40cf-a080-c71e4a69c323

Co-authored-by: qaiu <29825328+qaiu@users.noreply.github.com>

README.md

@@ -1,3 +1,15 @@
+# 一款网盘分享链接云解析快速下载服务  
+QQ交流群：1017480890
+<p align="center">
+<a href="https://github.com/qaiu/netdisk-fast-download/actions/workflows/maven.yml"><img src="https://img.shields.io/github/actions/workflow/status/qaiu/netdisk-fast-download/maven.yml?branch=v0.1.9b8a&style=flat"></a>
+<a href="https://www.oracle.com/cn/java/technologies/downloads"><img src="https://img.shields.io/badge/jdk-%3E%3D17-blue"></a>
+<a href="https://vertx-china.github.io"><img src="https://img.shields.io/badge/vert.x-4.5.22-blue?style=flat"></a>
+<a href="https://raw.githubusercontent.com/qaiu/netdisk-fast-download/master/LICENSE"><img src="https://img.shields.io/github/license/qaiu/netdisk-fast-download?style=flat"></a>
+<a href="https://github.com/qaiu/netdisk-fast-download/releases/"><img src="https://img.shields.io/github/v/release/qaiu/netdisk-fast-download?style=flat"></a>
+<p align="center">
+  <a href="https://trendshift.io/repositories/12101" target="_blank"><img src="https://trendshift.io/api/badge/repositories/12101" alt="qaiu%2Fnetdisk-fast-download | Trendshift" style="width: 250px; height: 55px;" width="250" height="55"/></a>
+</p>
+
 <div align="center" style="display:flex; justify-content:center; gap:10px; align-items:flex-start;">
   <img
     src="https://github.com/user-attachments/assets/bf266d0a-aaf8-4772-9231-e38a4b7bb6cb"
@@ -10,21 +22,14 @@
     style="width:300px; max-width:300px; flex:none;"
   >
 </div>
-<p align="center">
-  <a href="https://trendshift.io/repositories/12101" target="_blank"><img src="https://trendshift.io/api/badge/repositories/12101" alt="qaiu%2Fnetdisk-fast-download | Trendshift" style="width: 250px; height: 55px;" width="250" height="55"/></a>
-</p>
 
-<p align="center">
+> netdisk-fast-download网盘直链解析可以把云盘分享链接转为直链，可广泛应用于各类下载站，资源站，个人博客，图床，APP下载更新，视频点播等领域。支持市面各大主流云盘的文件分享以及文件夹分享链接，已支持蓝奏云/蓝奏云优享/奶牛快传/移动云云空间/小飞机盘/亿方云/123云盘/Cloudreve等，支持加密分享，以及部分网盘文件夹分享。  
-<a href="https://github.com/qaiu/netdisk-fast-download/actions/workflows/maven.yml"><img src="https://img.shields.io/github/actions/workflow/status/qaiu/netdisk-fast-download/maven.yml?branch=v0.1.9b8a&style=flat"></a>
-<a href="https://www.oracle.com/cn/java/technologies/downloads"><img src="https://img.shields.io/badge/jdk-%3E%3D17-blue"></a>
-<a href="https://vertx-china.github.io"><img src="https://img.shields.io/badge/vert.x-4.5.22-blue?style=flat"></a>
-<a href="https://raw.githubusercontent.com/qaiu/netdisk-fast-download/master/LICENSE"><img src="https://img.shields.io/github/license/qaiu/netdisk-fast-download?style=flat"></a>
-<a href="https://github.com/qaiu/netdisk-fast-download/releases/"><img src="https://img.shields.io/github/v/release/qaiu/netdisk-fast-download?style=flat"></a>
 
-# netdisk-fast-download 网盘分享链接云解析服务  
+[官方文档](https://nfd-parser.github.io/)  
-QQ交流群：1017480890
+[API接入](https://nfdparser.apifox.cn/)  
-
+[公益解析，lz站](https://lz.qaiu.top)  
-netdisk-fast-download网盘直链云解析(nfd云解析)能把网盘分享下载链接转化为直链，支持多款云盘，已支持蓝奏云/蓝奏云优享/奶牛快传/移动云云空间/小飞机盘/亿方云/123云盘/Cloudreve等，支持加密分享，以及部分网盘文件夹分享。  
+[公益解析，lz0站](https://lz0.qaiu.top)  
+[专业版189站，注册体验](https://189.qaiu.top)  
 
 ## 快速开始
 命令行下载分享文件：  
@@ -50,15 +55,10 @@ https://nfd-parser.github.io/nfd-preview/preview.html?src=https%3A%2F%2Flz.qaiu.
 
 **Playground功能：** [JS解析器演练场密码保护说明](web-service/doc/PLAYGROUND_PASSWORD_PROTECTION.md)
 
-## 体验地址  
-[公益解析1](https://lz.qaiu.top)  
-[公益解析2](https://lz0.qaiu.top)  
-[大文件解析专属版，限时开放，注册体验](https://189.qaiu.top)  
 
-main分支依赖JDK17, 提供了JDK11分支[main-jdk11](https://github.com/qaiu/netdisk-fast-download/tree/main-jdk11)  
+**注意⚠️小飞机解析有IP限制，多数云服务商的大陆IP会被拦截（可以自行配置代理），和本程序无关**  
-**0.1.8及以上版本json接口格式有调整 参考json返回数据格式示例**  
+**注意⚠️收到很多用户反馈，小飞机近期封号频繁，请尽可能选择其他网盘分享**  
-**小飞机解析有IP限制，多数云服务商的大陆IP会被拦截（可以自行配置代理），和本程序无关**  
+**注意⚠️请不要过度依赖 lz.qaiu.top，建议本地搭建或者云服务器自行搭建。请求量过多的话服务器可能会被云盘厂商限制，遇到解析失败的分享链接不要着急提issues，请先检查分享是否有效，** [lz站](https://lz.qaiu.top) 和 [lz0](https://lz0.qaiu.top) 不支持大文件，请使用 [189站](https://189.qaiu.top) 注册体验。
-**注意: 请不要过度依赖lz.qaiu.top预览地址服务，建议本地搭建或者云服务器自行搭建。解析次数过多IP会被部分网盘厂商限制，不推荐做公共解析。**  
 
 ## 网盘支持情况:
 > 20230905 奶牛云直链做了防盗链，需加入请求头：Referer: https://cowtransfer.com/  
@@ -94,6 +94,7 @@ main分支依赖JDK17, 提供了JDK11分支[main-jdk11](https://github.com/qaiu/
 - Onedrive-pod
 - Dropbox-pdp
 - iCloud-pic
+- [飞书云盘-fs](https://www.feishu.cn/)
 ### 专属版提供
 - [夸克云盘-qk](https://pan.quark.cn/)
 - [UC云盘-uc](https://fast.uc.cn/)
@@ -340,6 +341,7 @@ json返回数据格式示例:
 | WPS云文档      | √       | X        | 5G(免费)   | 10M(免费)/2G(会员)  |
 | 夸克网盘        | x       | √        | 10G       | 不限大小            | 
 | UC网盘        | x       | √        | 10G       | 不限大小            | 
+| 飞书云盘        | √       | X        | 15G       | 不限大小            |
 
 # 打包部署
 

parser/src/main/java/cn/qaiu/parser/PanDomainTemplate.java

@@ -313,6 +313,14 @@ public enum PanDomainTemplate {
             "https://pan.quark.cn/s/{shareKey}",
             QkTool.class),
 
+    // https://xxx.feishu.cn/file/VnCxbt35KoowKoxldO3c3C7VnMc
+    // https://xxx.feishu.cn/drive/folder/RQSKf8EQ4l7dMedqzHucpMbancg
+    FS("飞书云盘",
+            compile("https://[^.]+\\.feishu\\.cn/(?:file|drive/folder)/(?<KEY>[A-Za-z0-9_-]+)(\\?.*)?"),
+            "https://feishu.cn/file/{shareKey}",
+            "https://www.feishu.cn/",
+            FsTool.class),
+
     // =====================音乐类解析 分享链接标志->MxxS (单歌曲/普通音质)==========================
     // http://163cn.tv/xxx
     MNES("网易云音乐分享",

parser/src/main/java/cn/qaiu/parser/impl/FsTool.java

@@ -0,0 +1,437 @@
+package cn.qaiu.parser.impl;
+
+import cn.qaiu.entity.FileInfo;
+import cn.qaiu.entity.ShareLinkInfo;
+import cn.qaiu.parser.PanBase;
+import io.vertx.core.Future;
+import io.vertx.core.Promise;
+import io.vertx.core.json.JsonArray;
+import io.vertx.core.json.JsonObject;
+
+import java.net.URLDecoder;
+import java.nio.charset.StandardCharsets;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+
+/**
+ * <a href="https://www.feishu.cn/">飞书云盘</a>
+ * <p>
+ * 支持飞书公开分享文件和文件夹的解析。
+ * <ul>
+ *     <li>文件链接: https://xxx.feishu.cn/file/{token}</li>
+ *     <li>文件夹链接: https://xxx.feishu.cn/drive/folder/{token}</li>
+ * </ul>
+ * 飞书下载需要先获取匿名会话Cookie，然后使用Cookie请求下载接口。
+ * </p>
+ */
+public class FsTool extends PanBase {
+
+    private static final String UA = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) "
+            + "AppleWebKit/537.36 (KHTML, like Gecko) Chrome/125.0.0.0 Safari/537.36";
+
+    /**
+     * 飞书 obj_type: type=12 表示上传文件可下载
+     */
+    private static final int OBJ_TYPE_FILE = 12;
+
+    /**
+     * v3 列表 API 支持的 obj_type
+     */
+    private static final int[] LIST_OBJ_TYPES = {
+            0, 2, 22, 44, 3, 30, 8, 11, 12, 84, 123, 124
+    };
+
+    /** 每页返回条目数 */
+    private static final int PAGE_SIZE = 50;
+
+    /**
+     * 从分享链接中提取 tenant 的正则
+     */
+    private static final Pattern TENANT_PATTERN =
+            Pattern.compile("https://([^.]+)\\.feishu\\.cn/");
+
+    /** 解析 Content-Disposition: filename*=UTF-8''xxx */
+    private static final Pattern CD_FILENAME_STAR_PATTERN =
+            Pattern.compile("filename\\*=UTF-8''(.+?)(?:;|$)");
+
+    /** 解析 Content-Disposition: filename="xxx" 或 filename=xxx */
+    private static final Pattern CD_FILENAME_PATTERN =
+            Pattern.compile("filename=\"?([^\";]+)\"?");
+
+    /** 解析 Content-Range 中的总大小 */
+    private static final Pattern CONTENT_RANGE_SIZE_PATTERN =
+            Pattern.compile("/(\\d+)");
+
+    public FsTool(ShareLinkInfo shareLinkInfo) {
+        super(shareLinkInfo);
+    }
+
+    @Override
+    public Future<String> parse() {
+        String shareUrl = shareLinkInfo.getShareUrl();
+        String tenant = extractTenant(shareUrl);
+        String token = shareLinkInfo.getShareKey();
+
+        if (tenant == null || token == null) {
+            fail("无法从链接中提取tenant或token: {}", shareUrl);
+            return promise.future();
+        }
+
+        boolean isFolder = shareUrl.contains("/drive/folder/");
+        if (isFolder) {
+            fetchSessionAndParseFolder(tenant, token, shareUrl);
+        } else {
+            fetchSessionAndParseFile(tenant, token, shareUrl);
+        }
+
+        return promise.future();
+    }
+
+    /**
+     * 获取匿名session后解析文件
+     */
+    private void fetchSessionAndParseFile(String tenant, String token, String shareUrl) {
+        clientSession.getAbs(shareUrl)
+                .putHeader("User-Agent", UA)
+                .putHeader("Accept", "text/html,*/*")
+                .send()
+                .onSuccess(res -> {
+                    String dlUrl = buildDownloadUrl(tenant, token);
+
+                    // Range探测获取文件名和大小
+                    clientSession.getAbs(dlUrl)
+                            .putHeader("User-Agent", UA)
+                            .putHeader("Referer", shareUrl)
+                            .putHeader("Range", "bytes=0-0")
+                            .send()
+                            .onSuccess(probeRes -> {
+                                String fileName = parseFileNameFromContentDisposition(
+                                        probeRes.getHeader("Content-Disposition"));
+
+                                Map<String, String> headers = new HashMap<>();
+                                headers.put("Referer", shareUrl);
+                                headers.put("User-Agent", UA);
+
+                                String cookies = extractCookiesFromResponse(probeRes);
+                                if (cookies != null && !cookies.isEmpty()) {
+                                    headers.put("Cookie", cookies);
+                                }
+
+                                if (fileName != null) {
+                                    FileInfo fileInfo = new FileInfo();
+                                    fileInfo.setFileName(fileName);
+                                    fileInfo.setPanType(shareLinkInfo.getType());
+                                    parseSizeFromContentRange(
+                                            probeRes.getHeader("Content-Range"), fileInfo);
+                                    shareLinkInfo.getOtherParam().put("fileInfo", fileInfo);
+                                }
+
+                                completeWithMeta(dlUrl, headers);
+                            })
+                            .onFailure(handleFail("探测文件信息失败"));
+                })
+                .onFailure(handleFail("获取匿名会话失败"));
+    }
+
+    /**
+     * 获取匿名session后解析文件夹（取第一个可下载文件）
+     */
+    private void fetchSessionAndParseFolder(String tenant, String folderToken,
+                                             String shareUrl) {
+        clientSession.getAbs(shareUrl)
+                .putHeader("User-Agent", UA)
+                .putHeader("Accept", "text/html,*/*")
+                .send()
+                .onSuccess(res ->
+                        listFolderAll(tenant, folderToken, "").onSuccess(items -> {
+                            if (items.isEmpty()) {
+                                fail("文件夹中没有可下载的文件");
+                                return;
+                            }
+                            FileInfo first = items.get(0);
+                            String objToken = first.getFileId();
+                            String dlUrl = buildDownloadUrl(tenant, objToken);
+                            String referer = "https://" + tenant
+                                    + ".feishu.cn/drive/folder/" + folderToken;
+
+                            Map<String, String> headers = new HashMap<>();
+                            headers.put("Referer", referer);
+                            headers.put("User-Agent", UA);
+
+                            shareLinkInfo.getOtherParam().put("fileInfo", first);
+                            completeWithMeta(dlUrl, headers);
+                        }).onFailure(t -> fail("列出文件夹内容失败: {}", t.getMessage())))
+                .onFailure(handleFail("获取匿名会话失败"));
+    }
+
+    @Override
+    public Future<List<FileInfo>> parseFileList() {
+        Promise<List<FileInfo>> listPromise = Promise.promise();
+        String shareUrl = shareLinkInfo.getShareUrl();
+        String tenant = extractTenant(shareUrl);
+        String token = shareLinkInfo.getShareKey();
+
+        if (tenant == null || token == null) {
+            listPromise.fail("无法从链接中提取tenant或token: " + shareUrl);
+            return listPromise.future();
+        }
+
+        boolean isFolder = shareUrl.contains("/drive/folder/");
+
+        clientSession.getAbs(shareUrl)
+                .putHeader("User-Agent", UA)
+                .putHeader("Accept", "text/html,*/*")
+                .send()
+                .onSuccess(res -> {
+                    if (isFolder) {
+                        listFolderAll(tenant, token, "")
+                                .onSuccess(listPromise::complete)
+                                .onFailure(listPromise::fail);
+                    } else {
+                        probeSingleFile(tenant, token, shareUrl)
+                                .onSuccess(fileInfo -> {
+                                    List<FileInfo> list = new ArrayList<>();
+                                    list.add(fileInfo);
+                                    listPromise.complete(list);
+                                })
+                                .onFailure(listPromise::fail);
+                    }
+                })
+                .onFailure(t -> listPromise.fail("获取匿名会话失败: " + t.getMessage()));
+
+        return listPromise.future();
+    }
+
+    /**
+     * 分页获取文件夹所有可下载文件
+     */
+    private Future<List<FileInfo>> listFolderAll(String tenant, String folderToken,
+                                                  String pageLabel) {
+        Promise<List<FileInfo>> p = Promise.promise();
+
+        listFolderPage(tenant, folderToken, pageLabel).onSuccess(pageResult -> {
+            List<FileInfo> items = new ArrayList<>(pageResult.items);
+            if (pageResult.hasMore) {
+                listFolderAll(tenant, folderToken, pageResult.nextLabel)
+                        .onSuccess(moreItems -> {
+                            items.addAll(moreItems);
+                            p.complete(items);
+                        })
+                        .onFailure(p::fail);
+            } else {
+                p.complete(items);
+            }
+        }).onFailure(p::fail);
+
+        return p.future();
+    }
+
+    /**
+     * 列出文件夹内容（单页）
+     */
+    private Future<FolderPageResult> listFolderPage(String tenant, String folderToken,
+                                                     String pageLabel) {
+        Promise<FolderPageResult> p = Promise.promise();
+        String baseUrl = "https://" + tenant + ".feishu.cn";
+
+        StringBuilder urlBuilder = new StringBuilder();
+        urlBuilder.append(baseUrl)
+                .append("/space/api/explorer/v3/children/list/")
+                .append("?length=").append(PAGE_SIZE)
+                .append("&asc=1&rank=5&token=").append(folderToken);
+
+        for (int type : LIST_OBJ_TYPES) {
+            urlBuilder.append("&obj_type=").append(type);
+        }
+
+        if (pageLabel != null && !pageLabel.isEmpty()) {
+            urlBuilder.append("&last_label=").append(pageLabel);
+        }
+
+        String url = urlBuilder.toString();
+        String referer = baseUrl + "/drive/folder/" + folderToken;
+
+        clientSession.getAbs(url)
+                .putHeader("User-Agent", UA)
+                .putHeader("Accept", "application/json, text/plain, */*")
+                .putHeader("Referer", referer)
+                .send()
+                .onSuccess(res -> {
+                    try {
+                        JsonObject json = asJson(res);
+                        int code = json.getInteger("code", -1);
+                        if (code != 0) {
+                            p.fail("飞书API错误: " + json.getString("msg"));
+                            return;
+                        }
+
+                        JsonObject data = json.getJsonObject("data");
+                        JsonObject entities = data.getJsonObject("entities",
+                                new JsonObject());
+                        JsonObject nodes = entities.getJsonObject("nodes",
+                                new JsonObject());
+                        JsonArray nodeList = data.getJsonArray("node_list",
+                                new JsonArray());
+
+                        List<FileInfo> items = new ArrayList<>();
+                        for (int i = 0; i < nodeList.size(); i++) {
+                            String nid = nodeList.getString(i);
+                            JsonObject node = nodes.getJsonObject(nid,
+                                    new JsonObject());
+                            int objType = node.getInteger("type", -1);
+                            String objToken = node.getString("obj_token", "");
+                            String name = node.getString("name", "unknown");
+
+                            // 排除文件夹自身节点
+                            if (objToken.equals(folderToken)) {
+                                continue;
+                            }
+
+                            // 只返回可下载的文件(type=12)
+                            if (objType == OBJ_TYPE_FILE) {
+                                FileInfo fileInfo = new FileInfo();
+                                fileInfo.setFileName(name);
+                                fileInfo.setFileId(objToken);
+                                fileInfo.setPanType(shareLinkInfo.getType());
+                                fileInfo.setFileType("file");
+
+                                JsonObject extra = node.getJsonObject("extra",
+                                        new JsonObject());
+                                try {
+                                    long size = Long.parseLong(
+                                            extra.getString("size", "0"));
+                                    fileInfo.setSize(size);
+                                } catch (NumberFormatException e) {
+                                    log.warn("无法解析文件大小: {}", extra.getString("size"), e);
+                                }
+
+                                fileInfo.setParserUrl(
+                                        buildDownloadUrl(tenant, objToken));
+                                items.add(fileInfo);
+                            }
+                        }
+
+                        boolean hasMore = data.getBoolean("has_more", false);
+                        String nextLabel = data.getString("last_label", "");
+
+                        p.complete(new FolderPageResult(items, hasMore, nextLabel));
+                    } catch (Exception e) {
+                        p.fail("解析文件列表响应失败: " + e.getMessage());
+                    }
+                })
+                .onFailure(t -> p.fail("请求文件列表失败: " + t.getMessage()));
+
+        return p.future();
+    }
+
+    /**
+     * 探测单个文件信息
+     */
+    private Future<FileInfo> probeSingleFile(String tenant, String token,
+                                              String referer) {
+        Promise<FileInfo> p = Promise.promise();
+        String dlUrl = buildDownloadUrl(tenant, token);
+
+        clientSession.getAbs(dlUrl)
+                .putHeader("User-Agent", UA)
+                .putHeader("Referer", referer)
+                .putHeader("Range", "bytes=0-0")
+                .send()
+                .onSuccess(probeRes -> {
+                    FileInfo fileInfo = new FileInfo();
+                    String fileName = parseFileNameFromContentDisposition(
+                            probeRes.getHeader("Content-Disposition"));
+                    if (fileName != null) {
+                        fileInfo.setFileName(fileName);
+                    }
+                    parseSizeFromContentRange(
+                            probeRes.getHeader("Content-Range"), fileInfo);
+                    fileInfo.setFileId(token);
+                    fileInfo.setPanType(shareLinkInfo.getType());
+                    fileInfo.setFileType("file");
+                    fileInfo.setParserUrl(dlUrl);
+                    p.complete(fileInfo);
+                })
+                .onFailure(t -> p.fail("探测文件失败: " + t.getMessage()));
+
+        return p.future();
+    }
+
+    // ─── 工具方法 ────────────────────────────────────────
+
+    private String buildDownloadUrl(String tenant, String objToken) {
+        return "https://" + tenant
+                + ".feishu.cn/space/api/box/stream/download/all/" + objToken;
+    }
+
+    private String extractTenant(String url) {
+        if (url == null) return null;
+        Matcher m = TENANT_PATTERN.matcher(url);
+        if (m.find()) {
+            return m.group(1);
+        }
+        return null;
+    }
+
+    /**
+     * 从Content-Disposition头解析文件名。
+     * 支持 filename*=UTF-8''xxx 和 filename="xxx" 两种格式。
+     */
+    private String parseFileNameFromContentDisposition(String cd) {
+        if (cd == null || cd.isEmpty()) return null;
+
+        // 优先解析 filename*=UTF-8''xxx
+        Matcher m1 = CD_FILENAME_STAR_PATTERN.matcher(cd);
+        if (m1.find()) {
+            try {
+                return URLDecoder.decode(m1.group(1).trim(), StandardCharsets.UTF_8);
+            } catch (Exception ignored) {
+            }
+        }
+
+        // 降级解析 filename="xxx" 或 filename=xxx
+        Matcher m2 = CD_FILENAME_PATTERN.matcher(cd);
+        if (m2.find()) {
+            try {
+                return URLDecoder.decode(m2.group(1).trim(), StandardCharsets.UTF_8);
+            } catch (Exception ignored) {
+            }
+        }
+
+        return null;
+    }
+
+    private void parseSizeFromContentRange(String cr, FileInfo fileInfo) {
+        if (cr != null) {
+            Matcher m = CONTENT_RANGE_SIZE_PATTERN.matcher(cr);
+            if (m.find()) {
+                fileInfo.setSize(Long.parseLong(m.group(1)));
+            }
+        }
+    }
+
+    private String extractCookiesFromResponse(
+            io.vertx.ext.web.client.HttpResponse<?> response) {
+        List<String> setCookies = response.cookies();
+        if (setCookies == null || setCookies.isEmpty()) return null;
+
+        StringBuilder sb = new StringBuilder();
+        for (String cookie : setCookies) {
+            String nameValue = cookie.split(";")[0].trim();
+            if (!sb.isEmpty()) sb.append("; ");
+            sb.append(nameValue);
+        }
+        return sb.toString();
+    }
+
+    /**
+     * 文件夹分页结果
+     */
+    private record FolderPageResult(List<FileInfo> items, boolean hasMore,
+                                     String nextLabel) {
+    }
+}

parser/src/test/java/cn/qaiu/parser/PanDomainTemplateTest.java

@@ -250,6 +250,72 @@ public class PanDomainTemplateTest {
         assertEquals("151bR-nk-tOBm9QAFaozJIVt2WYyCMkoz", m2.group("KEY"));
     }
 
+    @Test
+    public void testFsPatternMatching() {
+        Pattern fsPattern = PanDomainTemplate.FS.getPattern();
+
+        // 文件链接
+        Matcher m1 = fsPattern.matcher(
+                "https://kcncuknojm60.feishu.cn/file/VnCxbt35KoowKoxldO3c3C7VnMc");
+        assertTrue("FS should match file link", m1.matches());
+        assertEquals("VnCxbt35KoowKoxldO3c3C7VnMc", m1.group("KEY"));
+
+        // 文件链接带 ?from=from_copylink
+        Matcher m2 = fsPattern.matcher(
+                "https://kcncuknojm60.feishu.cn/file/VnCxbt35KoowKoxldO3c3C7VnMc?from=from_copylink");
+        assertTrue("FS should match file link with query param", m2.matches());
+        assertEquals("VnCxbt35KoowKoxldO3c3C7VnMc", m2.group("KEY"));
+
+        // 文件夹链接
+        Matcher m3 = fsPattern.matcher(
+                "https://kcncuknojm60.feishu.cn/drive/folder/RQSKf8EQ4l7dMedqzHucpMbancg");
+        assertTrue("FS should match folder link", m3.matches());
+        assertEquals("RQSKf8EQ4l7dMedqzHucpMbancg", m3.group("KEY"));
+
+        // 文件夹链接带 ?from=from_copylink
+        Matcher m4 = fsPattern.matcher(
+                "https://kcncuknojm60.feishu.cn/drive/folder/RQSKf8EQ4l7dMedqzHucpMbancg?from=from_copylink");
+        assertTrue("FS should match folder link with query param", m4.matches());
+        assertEquals("RQSKf8EQ4l7dMedqzHucpMbancg", m4.group("KEY"));
+
+        // 不同的 tenant 子域名
+        Matcher m5 = fsPattern.matcher(
+                "https://pokepangle.feishu.cn/file/VW30bpK74ontiTxvRg1cZcgvnGg");
+        assertTrue("FS should match different tenant", m5.matches());
+        assertEquals("VW30bpK74ontiTxvRg1cZcgvnGg", m5.group("KEY"));
+
+        // 负例: 非feishu域名不匹配
+        assertFalse("FS should NOT match non-feishu domain",
+                fsPattern.matcher("https://evil.com/file/abc123").matches());
+
+        // 负例: feishu.cn上的其他路径不匹配
+        assertFalse("FS should NOT match other feishu paths",
+                fsPattern.matcher("https://xxx.feishu.cn/docs/abc123").matches());
+    }
+
+    @Test
+    public void testFsFromShareUrl() {
+        // 测试文件链接解析
+        String fileUrl = "https://kcncuknojm60.feishu.cn/file/VnCxbt35KoowKoxldO3c3C7VnMc?from=from_copylink";
+        ParserCreate parserCreate = ParserCreate.fromShareUrl(fileUrl);
+        ShareLinkInfo info = parserCreate.getShareLinkInfo();
+
+        assertNotNull("ShareLinkInfo should not be null", info);
+        assertEquals("fs", info.getType());
+        assertEquals("飞书云盘", info.getPanName());
+        assertEquals("VnCxbt35KoowKoxldO3c3C7VnMc", info.getShareKey());
+
+        // 测试文件夹链接解析
+        String folderUrl = "https://kcncuknojm60.feishu.cn/drive/folder/RQSKf8EQ4l7dMedqzHucpMbancg";
+        ParserCreate parserCreate2 = ParserCreate.fromShareUrl(folderUrl);
+        ShareLinkInfo info2 = parserCreate2.getShareLinkInfo();
+
+        assertNotNull("ShareLinkInfo should not be null", info2);
+        assertEquals("fs", info2.getType());
+        assertEquals("飞书云盘", info2.getPanName());
+        assertEquals("RQSKf8EQ4l7dMedqzHucpMbancg", info2.getShareKey());
+    }
+
     @Test
     public void verifyDuplicates() {