diff --git a/coolq/api.go b/coolq/api.go
index fc05c7f..ee5ba17 100644
--- a/coolq/api.go
+++ b/coolq/api.go
@@ -102,6 +102,59 @@ func (bot *CQBot) CQGetGroupMemberInfo(groupId, userId int64) MSG {
 	return OK(convertGroupMemberInfo(groupId, member))
 }
 
+func (bot *CQBot) CQGetGroupFileSystemInfo(groupId int64) MSG {
+	fs, err := bot.Client.GetGroupFileSystem(groupId)
+	if err != nil {
+		log.Errorf("获取群 %v 文件系统信息失败: %v", groupId, err)
+		return Failed(100)
+	}
+	return OK(fs)
+}
+
+func (bot *CQBot) CQGetGroupRootFiles(groupId int64) MSG {
+	fs, err := bot.Client.GetGroupFileSystem(groupId)
+	if err != nil {
+		log.Errorf("获取群 %v 文件系统信息失败: %v", groupId, err)
+		return Failed(100)
+	}
+	files, folders, err := fs.Root()
+	if err != nil {
+		log.Errorf("获取群 %v 根目录文件失败: %v", groupId, err)
+		return Failed(100)
+	}
+	return OK(MSG{
+		"files":   files,
+		"folders": folders,
+	})
+}
+
+func (bot *CQBot) CQGetGroupFilesByFolderId(groupId int64, folderId string) MSG {
+	fs, err := bot.Client.GetGroupFileSystem(groupId)
+	if err != nil {
+		log.Errorf("获取群 %v 文件系统信息失败: %v", groupId, err)
+		return Failed(100)
+	}
+	files, folders, err := fs.GetFilesByFolder(folderId)
+	if err != nil {
+		log.Errorf("获取群 %v 根目录 %v 子文件失败: %v", groupId, folderId, err)
+		return Failed(100)
+	}
+	return OK(MSG{
+		"files":   files,
+		"folders": folders,
+	})
+}
+
+func (bot *CQBot) CQGetGroupFileUrl(groupId int64, fileId string, busId int32) MSG {
+	url := bot.Client.GetGroupFileUrl(groupId, fileId, busId)
+	if url == "" {
+		return Failed(100)
+	}
+	return OK(MSG{
+		"url": url,
+	})
+}
+
 func (bot *CQBot) CQGetWordSlices(content string) MSG {
 	slices, err := bot.Client.GetWordSegmentation(content)
 	if err != nil {
diff --git a/main.go b/main.go
index 971d001..6da4252 100644
--- a/main.go
+++ b/main.go
@@ -289,7 +289,7 @@ func DecryptPwd(ePwd string, key []byte) string {
 func checkUpdate() {
 	log.Infof("正在检查更新.")
 	if coolq.Version == "unknown" {
-		log.Warnf("检查更新失败: 使用的 Actions 测试版或自编译版本")
+		log.Warnf("检查更新失败: 使用的 Actions 测试版或自编译版本.")
 		return
 	}
 	var res string
diff --git a/server/http.go b/server/http.go
index 89e864a..3ad7faf 100644
--- a/server/http.go
+++ b/server/http.go
@@ -191,6 +191,29 @@ func (s *httpServer) GetGroupMemberInfo(c *gin.Context) {
 	c.JSON(200, s.bot.CQGetGroupMemberInfo(gid, uid))
 }
 
+func (s *httpServer) GetGroupFileSystemInfo(c *gin.Context) {
+	gid, _ := strconv.ParseInt(getParam(c, "group_id"), 10, 64)
+	c.JSON(200, s.bot.CQGetGroupFileSystemInfo(gid))
+}
+
+func (s *httpServer) GetGroupRootFiles(c *gin.Context) {
+	gid, _ := strconv.ParseInt(getParam(c, "group_id"), 10, 64)
+	c.JSON(200, s.bot.CQGetGroupRootFiles(gid))
+}
+
+func (s *httpServer) GetGroupFilesByFolderId(c *gin.Context) {
+	gid, _ := strconv.ParseInt(getParam(c, "group_id"), 10, 64)
+	folderId := getParam(c, "folder_id")
+	c.JSON(200, s.bot.CQGetGroupFilesByFolderId(gid, folderId))
+}
+
+func (s *httpServer) GetGroupFileUrl(c *gin.Context) {
+	gid, _ := strconv.ParseInt(getParam(c, "group_id"), 10, 64)
+	fid := getParam(c, "file_id")
+	busid, _ := strconv.ParseInt(getParam(c, "busid"), 10, 32)
+	c.JSON(200, s.bot.CQGetGroupFileUrl(gid, fid, int32(busid)))
+}
+
 func (s *httpServer) SendMessage(c *gin.Context) {
 	if getParam(c, "message_type") == "private" {
 		s.SendPrivateMessage(c)
@@ -459,6 +482,18 @@ var httpApi = map[string]func(s *httpServer, c *gin.Context){
 	"get_group_member_info": func(s *httpServer, c *gin.Context) {
 		s.GetGroupMemberInfo(c)
 	},
+	"get_group_file_system_info": func(s *httpServer, c *gin.Context) {
+		s.GetGroupFileSystemInfo(c)
+	},
+	"get_group_root_files": func(s *httpServer, c *gin.Context) {
+		s.GetGroupRootFiles(c)
+	},
+	"get_group_files_by_folder": func(s *httpServer, c *gin.Context) {
+		s.GetGroupFilesByFolderId(c)
+	},
+	"get_group_file_url": func(s *httpServer, c *gin.Context) {
+		s.GetGroupFileUrl(c)
+	},
 	"send_msg": func(s *httpServer, c *gin.Context) {
 		s.SendMessage(c)
 	},
diff --git a/server/websocket.go b/server/websocket.go
index 9293082..668ea00 100644
--- a/server/websocket.go
+++ b/server/websocket.go
@@ -498,6 +498,18 @@ var wsApi = map[string]func(*coolq.CQBot, gjson.Result) coolq.MSG{
 	"get_group_system_msg": func(bot *coolq.CQBot, p gjson.Result) coolq.MSG {
 		return bot.CQGetGroupSystemMessages()
 	},
+	"get_group_file_system_info": func(bot *coolq.CQBot, p gjson.Result) coolq.MSG {
+		return bot.CQGetGroupFileSystemInfo(p.Get("group_id").Int())
+	},
+	"get_group_root_files": func(bot *coolq.CQBot, p gjson.Result) coolq.MSG {
+		return bot.CQGetGroupRootFiles(p.Get("group_id").Int())
+	},
+	"get_group_files_by_folder": func(bot *coolq.CQBot, p gjson.Result) coolq.MSG {
+		return bot.CQGetGroupFilesByFolderId(p.Get("group_id").Int(), p.Get("folder_id").Str)
+	},
+	"get_group_file_url": func(bot *coolq.CQBot, p gjson.Result) coolq.MSG {
+		return bot.CQGetGroupFileUrl(p.Get("group_id").Int(), p.Get("file_id").Str, int32(p.Get("busid").Int()))
+	},
 	"_get_vip_info": func(bot *coolq.CQBot, p gjson.Result) coolq.MSG {
 		return bot.CQGetVipInfo(p.Get("user_id").Int())
 	},