diff --git a/internal/handler/cloud.go b/internal/handler/cloud.go
new file mode 100644
index 0000000..bdf8245
--- /dev/null
+++ b/internal/handler/cloud.go
@@ -0,0 +1,130 @@
+// Package handler — cloud-disk (网盘) endpoints: directory browsing, QR-code
+// login, media import and 302 playback redirects.
+package handler
+
+import (
+	"io"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+
+	"github.com/ShukeBta/MediaStationGo/internal/service"
+	"github.com/ShukeBta/MediaStationGo/internal/service/cloud"
+)
+
+// cloudListHandler browses a configured cloud disk directory.
+func cloudListHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		typ := c.Param("type")
+		dir := c.Query("dir")
+		entries, err := svc.StorageCfg.CloudList(c.Request.Context(), typ, dir)
+		if err != nil {
+			c.JSON(http.StatusOK, gin.H{"error": err.Error(), "items": []any{}})
+			return
+		}
+		c.JSON(http.StatusOK, gin.H{"items": entries})
+	}
+}
+
+// cloudImportHandler turns a cloud file into a playable 302-backed media item.
+func cloudImportHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		typ := c.Param("type")
+		var in struct {
+			Ref  string `json:"ref" binding:"required"`
+			Name string `json:"name"`
+			Size int64  `json:"size"`
+		}
+		if err := c.ShouldBindJSON(&in); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		m, err := svc.StorageCfg.CloudImport(c.Request.Context(), typ, in.Ref, in.Name, in.Size)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, m)
+	}
+}
+
+// cloud115QRStartHandler begins a 115 QR-code login and returns the session +
+// QR image URL for the frontend to render.
+func cloud115QRStartHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		sess, err := cloud.QRStart(c.Request.Context(), nil)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, sess)
+	}
+}
+
+// cloud115QRPollHandler polls a 115 QR session; on confirmation it returns the
+// session cookie so the frontend can save it as the storage credential.
+func cloud115QRPollHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var sess cloud.QRSession
+		if err := c.ShouldBindJSON(&sess); err != nil {
+			c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+			return
+		}
+		st, err := cloud.QRPoll(c.Request.Context(), nil, &sess)
+		if err != nil {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+			return
+		}
+		c.JSON(http.StatusOK, st)
+	}
+}
+
+// cloudPlayHandler resolves a cloud file to its direct link and either issues a
+// 302 redirect (true offload — host does not stream the bytes) or, when the
+// provider requires authenticated headers, reverse-proxies the response.
+func cloudPlayHandler(svc *service.Container) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		typ := c.Param("type")
+		ref := c.Query("ref")
+		if ref == "" {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "ref required"})
+			return
+		}
+		link, err := svc.StorageCfg.CloudResolve(c.Request.Context(), typ, ref)
+		if err != nil {
+			c.JSON(http.StatusBadGateway, gin.H{"error": err.Error()})
+			return
+		}
+		if !link.Proxy {
+			// Pure offload: send the client straight to the cloud CDN.
+			c.Redirect(http.StatusFound, link.URL)
+			return
+		}
+		// Proxy mode: the direct link needs auth headers the browser cannot
+		// carry. Stream through with Range forwarding.
+		req, err := http.NewRequestWithContext(c.Request.Context(), http.MethodGet, link.URL, nil)
+		if err != nil {
+			c.JSON(http.StatusBadGateway, gin.H{"error": err.Error()})
+			return
+		}
+		for k, v := range link.Headers {
+			req.Header.Set(k, v)
+		}
+		if rng := c.GetHeader("Range"); rng != "" {
+			req.Header.Set("Range", rng)
+		}
+		resp, err := http.DefaultClient.Do(req)
+		if err != nil {
+			c.JSON(http.StatusBadGateway, gin.H{"error": err.Error()})
+			return
+		}
+		defer resp.Body.Close()
+		for _, h := range []string{"Content-Type", "Content-Length", "Content-Range", "Accept-Ranges"} {
+			if v := resp.Header.Get(h); v != "" {
+				c.Header(h, v)
+			}
+		}
+		c.Status(resp.StatusCode)
+		_, _ = io.Copy(c.Writer, resp.Body)
+	}
+}
diff --git a/internal/handler/handler.go b/internal/handler/handler.go
index ef076d4..09dff24 100644
--- a/internal/handler/handler.go
+++ b/internal/handler/handler.go
@@ -94,6 +94,10 @@ func Register(r *gin.Engine, cfg *config.Config, log *zap.Logger, svc *service.C
 			authed.GET("/hls/:id/:seg", hlsSegmentHandler(svc))
 			authed.DELETE("/hls/:id", stopTranscodeHandler(svc))
 
+			// Cloud-disk 302 playback redirect (resolves a fresh direct link).
+			authed.GET("/cloud/play/:type", cloudPlayHandler(svc))
+			authed.HEAD("/cloud/play/:type", cloudPlayHandler(svc))
+
 			// Image proxy (URL passed as ?url=...).
 			authed.GET("/img", imageProxyHandler(svc))
 
@@ -305,12 +309,18 @@ func Register(r *gin.Engine, cfg *config.Config, log *zap.Logger, svc *service.C
 			admin.PUT("/users/:id/permissions", updateUserPermissionsHandler(svc))
 			admin.POST("/users/:id/permissions/reset", resetUserPermissionsHandler(svc))
 
-			// Storage configs (Alist / S3 / WebDAV).
+			// Storage configs (Alist / S3 / WebDAV / 网盘).
 			admin.GET("/storage/status", listStorageConfigsHandler(svc))
 			admin.GET("/storage/:type", getStorageConfigHandler(svc))
 			admin.PUT("/storage/:type", saveStorageConfigHandler(svc))
 			admin.POST("/storage/:type/test", testStorageConfigHandler(svc))
 
+			// Cloud disk (115 / 夸克) browsing, QR login and 302 import.
+			admin.GET("/cloud/:type/list", cloudListHandler(svc))
+			admin.POST("/cloud/:type/import", cloudImportHandler(svc))
+			admin.POST("/cloud/:type/qr/start", cloud115QRStartHandler(svc))
+			admin.POST("/cloud/:type/qr/poll", cloud115QRPollHandler(svc))
+
 			// Download client CRUD.
 			admin.GET("/download/clients", listDownloadClientsHandler(svc))
 			admin.POST("/download/clients", createDownloadClientHandler(svc))
diff --git a/internal/service/cloud/cloud.go b/internal/service/cloud/cloud.go
new file mode 100644
index 0000000..17a3b05
--- /dev/null
+++ b/internal/service/cloud/cloud.go
@@ -0,0 +1,119 @@
+// Package cloud implements pluggable cloud-disk (网盘) providers used by the
+// external-storage subsystem to expose remote files as playable media via
+// HTTP 302 redirects.
+//
+// The design mirrors how Alist / MoviePilot offload playback: instead of the
+// host downloading and re-streaming bytes, a provider resolves a file to a
+// short-lived direct download URL and the player is 302-redirected straight to
+// the cloud CDN. The host only performs a tiny redirect, freeing its CPU and
+// bandwidth.
+//
+// Each provider authenticates with a cookie (obtained via the web UI, an API
+// cookie, or a QR-code login flow). Providers are intentionally side-effect
+// free and take an *http.Client so they can be exercised against httptest
+// mock servers in unit tests.
+package cloud
+
+import (
+	"context"
+	"errors"
+	"net/http"
+	"strings"
+	"time"
+)
+
+// timeNow is a seam so tests can pin timestamps.
+var timeNow = time.Now
+
+// Provider types recognised by the registry.
+const (
+	TypeQuark = "quark"    // 夸克网盘
+	Type115   = "cloud115" // 115 网盘
+)
+
+// ErrUnsupported is returned for an unknown provider type.
+var ErrUnsupported = errors.New("unsupported cloud provider")
+
+// FileEntry is one item in a cloud directory listing.
+type FileEntry struct {
+	ID    string `json:"id"` // provider-native file id
+	Name  string `json:"name"`
+	IsDir bool   `json:"is_dir"`
+	Size  int64  `json:"size"`
+	// PickCode is 115-specific; quark uses ID directly.
+	PickCode string `json:"pick_code,omitempty"`
+}
+
+// DirectLink is a resolved playback target.
+type DirectLink struct {
+	URL string `json:"url"`
+	// Headers that must accompany a request to URL (e.g. User-Agent, Cookie).
+	Headers map[string]string `json:"-"`
+	// Proxy reports whether URL requires the host to reverse-proxy the bytes
+	// (because the headers cannot be carried by a plain browser 302). When
+	// false the play handler issues a pure 302 redirect (true offload).
+	Proxy bool `json:"-"`
+}
+
+// Provider is the common cloud-disk interface.
+type Provider interface {
+	// Type returns the provider key (TypeQuark / Type115).
+	Type() string
+	// Ping validates the stored credentials (cookie). Cheap, used by the
+	// storage-config Test() probe.
+	Ping(ctx context.Context) error
+	// List returns the entries under dirID. An empty dirID means the root.
+	List(ctx context.Context, dirID string) ([]FileEntry, error)
+	// Resolve turns a provider-native file reference (id or pickcode) into a
+	// short-lived direct download link suitable for 302 playback.
+	Resolve(ctx context.Context, fileRef string) (*DirectLink, error)
+}
+
+// New constructs a provider of the given type from a free-form config map
+// (as persisted by StorageConfigService). The client is shared so callers can
+// inject timeouts / test transports.
+func New(typ string, cfg map[string]any, client *http.Client) (Provider, error) {
+	if client == nil {
+		client = http.DefaultClient
+	}
+	switch typ {
+	case TypeQuark:
+		return newQuark(cfg, client), nil
+	case Type115:
+		return new115(cfg, client), nil
+	default:
+		return nil, ErrUnsupported
+	}
+}
+
+// IsCloudType reports whether typ is a cloud-disk provider.
+func IsCloudType(typ string) bool {
+	return typ == TypeQuark || typ == Type115
+}
+
+// str coerces a config value to a trimmed string.
+func str(v any) string {
+	if v == nil {
+		return ""
+	}
+	if s, ok := v.(string); ok {
+		return strings.TrimSpace(s)
+	}
+	return ""
+}
+
+// boolish coerces a config value to bool ("true"/"1"/true → true).
+func boolish(v any) bool {
+	switch t := v.(type) {
+	case bool:
+		return t
+	case string:
+		s := strings.ToLower(strings.TrimSpace(t))
+		return s == "1" || s == "true" || s == "yes" || s == "on"
+	default:
+		return false
+	}
+}
+
+// defaultUA is a desktop browser UA accepted by both 115 and quark.
+const defaultUA = "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0 Safari/537.36"
diff --git a/internal/service/cloud/cloud_test.go b/internal/service/cloud/cloud_test.go
new file mode 100644
index 0000000..68e842e
--- /dev/null
+++ b/internal/service/cloud/cloud_test.go
@@ -0,0 +1,204 @@
+package cloud
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+	"time"
+)
+
+func TestQuarkListAndResolve(t *testing.T) {
+	var gotCookie string
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		gotCookie = r.Header.Get("Cookie")
+		switch {
+		case r.URL.Path == "/file/sort":
+			if r.URL.Query().Get("pdir_fid") != "0" {
+				t.Errorf("unexpected pdir_fid %q", r.URL.Query().Get("pdir_fid"))
+			}
+			w.Write([]byte(`{"status":200,"code":0,"data":{"list":[
+				{"fid":"d1","file_name":"Movies","dir":true,"size":0},
+				{"fid":"f1","file_name":"Inception.mkv","dir":false,"size":123}]}}`))
+		case r.URL.Path == "/file/download":
+			if r.Method != http.MethodPost {
+				t.Errorf("download must be POST, got %s", r.Method)
+			}
+			w.Write([]byte(`{"status":200,"code":0,"data":[{"fid":"f1","download_url":"https://cdn.quark/x.mkv?sign=1"}]}`))
+		default:
+			t.Errorf("unexpected path %s", r.URL.Path)
+		}
+	}))
+	defer srv.Close()
+
+	p, err := New(TypeQuark, map[string]any{"cookie": "kps=abc", "base": srv.URL}, srv.Client())
+	if err != nil {
+		t.Fatal(err)
+	}
+	entries, err := p.List(context.Background(), "0")
+	if err != nil {
+		t.Fatalf("list: %v", err)
+	}
+	if len(entries) != 2 || !entries[0].IsDir || entries[1].Name != "Inception.mkv" || entries[1].Size != 123 {
+		t.Fatalf("unexpected entries: %#v", entries)
+	}
+	if gotCookie != "kps=abc" {
+		t.Fatalf("cookie not forwarded: %q", gotCookie)
+	}
+	link, err := p.Resolve(context.Background(), "f1")
+	if err != nil {
+		t.Fatalf("resolve: %v", err)
+	}
+	if link.URL != "https://cdn.quark/x.mkv?sign=1" {
+		t.Fatalf("bad url: %s", link.URL)
+	}
+	if !link.Proxy {
+		t.Fatalf("quark should default to proxy mode")
+	}
+	if link.Headers["Cookie"] != "kps=abc" {
+		t.Fatalf("resolve must carry cookie header: %#v", link.Headers)
+	}
+}
+
+func TestQuarkForce302(t *testing.T) {
+	p := newQuark(map[string]any{"cookie": "c", "force_302": "true"}, http.DefaultClient)
+	if p.proxy {
+		t.Fatalf("force_302 should disable proxy mode")
+	}
+}
+
+func Test115ListAndResolve(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		switch r.URL.Path {
+		case "/files":
+			if r.URL.Query().Get("cid") != "0" {
+				t.Errorf("bad cid %q", r.URL.Query().Get("cid"))
+			}
+			w.Write([]byte(`{"state":true,"data":[
+				{"cid":"100","n":"Movies","s":0},
+				{"fid":"200","n":"Inception.mkv","s":456,"pc":"pick200"}]}`))
+		case "/files/download":
+			if r.URL.Query().Get("pickcode") != "pick200" {
+				t.Errorf("bad pickcode %q", r.URL.Query().Get("pickcode"))
+			}
+			w.Write([]byte(`{"state":true,"file_url":"https://cdn.115/x.mkv?t=1"}`))
+		default:
+			t.Errorf("unexpected path %s", r.URL.Path)
+		}
+	}))
+	defer srv.Close()
+
+	p, err := New(Type115, map[string]any{"cookie": "UID=1; CID=2", "base": srv.URL}, srv.Client())
+	if err != nil {
+		t.Fatal(err)
+	}
+	entries, err := p.List(context.Background(), "")
+	if err != nil {
+		t.Fatalf("list: %v", err)
+	}
+	if len(entries) != 2 {
+		t.Fatalf("want 2 entries: %#v", entries)
+	}
+	if !entries[0].IsDir || entries[0].ID != "100" {
+		t.Fatalf("dir entry wrong: %#v", entries[0])
+	}
+	if entries[1].IsDir || entries[1].PickCode != "pick200" || entries[1].Size != 456 {
+		t.Fatalf("file entry wrong: %#v", entries[1])
+	}
+	link, err := p.Resolve(context.Background(), "pick200")
+	if err != nil {
+		t.Fatalf("resolve: %v", err)
+	}
+	if link.URL != "https://cdn.115/x.mkv?t=1" {
+		t.Fatalf("bad url: %s", link.URL)
+	}
+	if link.Proxy {
+		t.Fatalf("115 should default to 302 (no proxy)")
+	}
+}
+
+func Test115QRFlow(t *testing.T) {
+	// status sequence: waiting → scanned → confirmed
+	calls := 0
+	api := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		switch r.URL.Path {
+		case "/api/1.0/web/1.0/token/":
+			w.Write([]byte(`{"state":1,"data":{"uid":"U1","time":1700,"sign":"S1"}}`))
+		case "/get/status/":
+			if r.URL.Query().Get("uid") != "U1" {
+				t.Errorf("bad uid %q", r.URL.Query().Get("uid"))
+			}
+			calls++
+			switch calls {
+			case 1:
+				w.Write([]byte(`{"state":1,"data":{"status":0}}`))
+			case 2:
+				w.Write([]byte(`{"state":1,"data":{"status":1}}`))
+			default:
+				w.Write([]byte(`{"state":1,"data":{"status":2}}`))
+			}
+		default:
+			t.Errorf("unexpected api path %s", r.URL.Path)
+		}
+	}))
+	defer api.Close()
+	passport := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/app/1.0/web/1.0/login/qrcode/" {
+			t.Errorf("unexpected passport path %s", r.URL.Path)
+		}
+		w.Write([]byte(`{"state":1,"data":{"cookie":{"UID":"u","CID":"c","SEID":"s"}}}`))
+	}))
+	defer passport.Close()
+
+	oldA, oldP := qr115APIBase, qr115PassportBase
+	qr115APIBase, qr115PassportBase = api.URL, passport.URL
+	defer func() { qr115APIBase, qr115PassportBase = oldA, oldP }()
+
+	ctx := context.Background()
+	sess, err := QRStart(ctx, api.Client())
+	if err != nil {
+		t.Fatalf("qr start: %v", err)
+	}
+	if sess.UID != "U1" || sess.QRImageURL == "" {
+		t.Fatalf("bad session: %#v", sess)
+	}
+	want := []string{"waiting", "scanned", "confirmed"}
+	for i, exp := range want {
+		st, err := QRPoll(ctx, api.Client(), sess)
+		if err != nil {
+			t.Fatalf("poll %d: %v", i, err)
+		}
+		if st.State != exp {
+			t.Fatalf("poll %d: want %s got %s", i, exp, st.State)
+		}
+		if exp == "confirmed" {
+			if st.Cookie == "" || !containsAll(st.Cookie, "UID=u", "SEID=s") {
+				t.Fatalf("confirmed must yield cookie: %q", st.Cookie)
+			}
+		}
+	}
+}
+
+func TestUnsupportedProvider(t *testing.T) {
+	if _, err := New("dropbox", nil, nil); err != ErrUnsupported {
+		t.Fatalf("want ErrUnsupported, got %v", err)
+	}
+}
+
+func containsAll(s string, subs ...string) bool {
+	for _, sub := range subs {
+		found := false
+		for i := 0; i+len(sub) <= len(s); i++ {
+			if s[i:i+len(sub)] == sub {
+				found = true
+				break
+			}
+		}
+		if !found {
+			return false
+		}
+	}
+	return true
+}
+
+var _ = time.Second
diff --git a/internal/service/cloud/pan115.go b/internal/service/cloud/pan115.go
new file mode 100644
index 0000000..b85aa13
--- /dev/null
+++ b/internal/service/cloud/pan115.go
@@ -0,0 +1,303 @@
+package cloud
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"net/url"
+	"strconv"
+	"strings"
+)
+
+// pan115Provider implements 115 网盘 via cookie auth.
+//
+// 115 has removed its desktop clients, so cookies must come from the mobile
+// app / web (115.com) or a QR-code login (see QR* helpers below). Directory
+// listing uses the public web API; download resolves a file's pickcode to a
+// CDN URL that, like Alist's default 115 behaviour, is served by 302 redirect.
+type pan115Provider struct {
+	cookie  string
+	ua      string
+	webBase string // https://webapi.115.com (override in tests)
+	client  *http.Client
+	proxy   bool
+}
+
+const pan115WebBase = "https://webapi.115.com"
+
+func new115(cfg map[string]any, client *http.Client) *pan115Provider {
+	web := str(cfg["base"])
+	if web == "" {
+		web = pan115WebBase
+	}
+	ua := str(cfg["ua"])
+	if ua == "" {
+		ua = defaultUA
+	}
+	// 115 CDN download URLs work with a plain 302 (Alist's recommended mode),
+	// so offload by default; admin can force proxy mode if their network needs it.
+	proxy := false
+	if _, ok := cfg["force_proxy"]; ok && boolish(cfg["force_proxy"]) {
+		proxy = true
+	}
+	return &pan115Provider{
+		cookie:  str(cfg["cookie"]),
+		ua:      ua,
+		webBase: strings.TrimRight(web, "/"),
+		client:  client,
+		proxy:   proxy,
+	}
+}
+
+func (p *pan115Provider) Type() string { return Type115 }
+
+func (p *pan115Provider) get(ctx context.Context, u string) (*http.Response, error) {
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, u, nil)
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Cookie", p.cookie)
+	req.Header.Set("User-Agent", p.ua)
+	req.Header.Set("Accept", "application/json, text/plain, */*")
+	return p.client.Do(req)
+}
+
+func (p *pan115Provider) Ping(ctx context.Context) error {
+	if p.cookie == "" {
+		return fmt.Errorf("115: missing cookie")
+	}
+	_, err := p.List(ctx, "0")
+	return err
+}
+
+func (p *pan115Provider) List(ctx context.Context, dirID string) ([]FileEntry, error) {
+	if dirID == "" {
+		dirID = "0"
+	}
+	q := url.Values{}
+	q.Set("aid", "1")
+	q.Set("cid", dirID)
+	q.Set("o", "user_ptime")
+	q.Set("asc", "0")
+	q.Set("offset", "0")
+	q.Set("show_dir", "1")
+	q.Set("limit", "100")
+	q.Set("format", "json")
+	resp, err := p.get(ctx, p.webBase+"/files?"+q.Encode())
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	var r struct {
+		State bool   `json:"state"`
+		Error string `json:"error"`
+		Data  []struct {
+			Fid string      `json:"fid"` // file id (files only)
+			Cid string      `json:"cid"` // category id (dirs use this)
+			N   string      `json:"n"`   // name
+			S   json.Number `json:"s"`   // size
+			Pc  string      `json:"pc"`  // pickcode
+		} `json:"data"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&r); err != nil {
+		return nil, fmt.Errorf("115: decode list: %w", err)
+	}
+	if !r.State {
+		return nil, fmt.Errorf("115: list failed: %s", r.Error)
+	}
+	out := make([]FileEntry, 0, len(r.Data))
+	for _, it := range r.Data {
+		isDir := it.Fid == ""
+		id := it.Fid
+		if isDir {
+			id = it.Cid
+		}
+		size, _ := it.S.Int64()
+		out = append(out, FileEntry{
+			ID:       id,
+			Name:     it.N,
+			IsDir:    isDir,
+			Size:     size,
+			PickCode: it.Pc,
+		})
+	}
+	return out, nil
+}
+
+// Resolve accepts a pickcode (preferred) and returns the CDN download URL.
+func (p *pan115Provider) Resolve(ctx context.Context, pickcode string) (*DirectLink, error) {
+	if pickcode == "" {
+		return nil, fmt.Errorf("115: empty pickcode")
+	}
+	u := fmt.Sprintf("%s/files/download?pickcode=%s&_=%d", p.webBase, url.QueryEscape(pickcode), nowUnix())
+	resp, err := p.get(ctx, u)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	var r struct {
+		State   bool   `json:"state"`
+		Error   string `json:"error"`
+		FileURL string `json:"file_url"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&r); err != nil {
+		return nil, fmt.Errorf("115: decode download: %w", err)
+	}
+	if !r.State || r.FileURL == "" {
+		msg := r.Error
+		if msg == "" {
+			msg = "no file_url"
+		}
+		return nil, fmt.Errorf("115: download failed: %s", msg)
+	}
+	return &DirectLink{
+		URL: r.FileURL,
+		Headers: map[string]string{
+			"User-Agent": p.ua,
+			"Cookie":     p.cookie,
+		},
+		Proxy: p.proxy,
+	}, nil
+}
+
+// nowUnix is a seam for deterministic tests.
+var nowUnix = func() int64 { return timeNow().Unix() }
+
+// ─── QR-code login ───────────────────────────────────────────────────────────
+
+// QRSession is the handle returned by QRStart; the client renders QRImageURL
+// and polls QRPoll until it returns a cookie.
+type QRSession struct {
+	UID        string `json:"uid"`
+	Time       int64  `json:"time"`
+	Sign       string `json:"sign"`
+	QRImageURL string `json:"qr_image_url"`
+}
+
+// QR login hosts (overridable for tests).
+var (
+	qr115APIBase      = "https://qrcodeapi.115.com"
+	qr115PassportBase = "https://passportapi.115.com"
+)
+
+// QRStart obtains a 115 QR-code login token + image URL.
+func QRStart(ctx context.Context, client *http.Client) (*QRSession, error) {
+	if client == nil {
+		client = http.DefaultClient
+	}
+	req, _ := http.NewRequestWithContext(ctx, http.MethodGet, qr115APIBase+"/api/1.0/web/1.0/token/", nil)
+	req.Header.Set("User-Agent", defaultUA)
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	var r struct {
+		State int `json:"state"`
+		Data  struct {
+			UID  string `json:"uid"`
+			Time int64  `json:"time"`
+			Sign string `json:"sign"`
+		} `json:"data"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&r); err != nil {
+		return nil, fmt.Errorf("115 qr: decode token: %w", err)
+	}
+	if r.State != 1 || r.Data.UID == "" {
+		return nil, fmt.Errorf("115 qr: token request failed")
+	}
+	return &QRSession{
+		UID:        r.Data.UID,
+		Time:       r.Data.Time,
+		Sign:       r.Data.Sign,
+		QRImageURL: qr115APIBase + "/api/1.0/web/1.0/qrcode?uid=" + url.QueryEscape(r.Data.UID),
+	}, nil
+}
+
+// QRStatus is the poll result.
+type QRStatus struct {
+	// State is one of: "waiting" (not scanned), "scanned" (scanned, awaiting
+	// confirmation), "confirmed" (login approved; Cookie populated),
+	// "expired" (token expired/cancelled).
+	State  string `json:"state"`
+	Cookie string `json:"cookie,omitempty"`
+}
+
+// QRPoll checks the QR session status; on confirmation it exchanges the token
+// for a session cookie via the passport API.
+func QRPoll(ctx context.Context, client *http.Client, sess *QRSession) (*QRStatus, error) {
+	if client == nil {
+		client = http.DefaultClient
+	}
+	if sess == nil || sess.UID == "" {
+		return nil, fmt.Errorf("115 qr: nil session")
+	}
+	q := url.Values{}
+	q.Set("uid", sess.UID)
+	q.Set("time", strconv.FormatInt(sess.Time, 10))
+	q.Set("sign", sess.Sign)
+	q.Set("_", strconv.FormatInt(timeNow().UnixMilli(), 10))
+	req, _ := http.NewRequestWithContext(ctx, http.MethodGet, qr115APIBase+"/get/status/?"+q.Encode(), nil)
+	req.Header.Set("User-Agent", defaultUA)
+	resp, err := client.Do(req)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	var r struct {
+		State int `json:"state"`
+		Data  struct {
+			Status int `json:"status"` // 0 waiting, 1 scanned, 2 confirmed, -1/-2 expired
+		} `json:"data"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&r); err != nil {
+		return nil, fmt.Errorf("115 qr: decode status: %w", err)
+	}
+	switch r.Data.Status {
+	case 1:
+		return &QRStatus{State: "scanned"}, nil
+	case 2:
+		cookie, err := qr115Exchange(ctx, client, sess.UID)
+		if err != nil {
+			return nil, err
+		}
+		return &QRStatus{State: "confirmed", Cookie: cookie}, nil
+	case 0:
+		return &QRStatus{State: "waiting"}, nil
+	default:
+		return &QRStatus{State: "expired"}, nil
+	}
+}
+
+// qr115Exchange swaps an approved uid for a session cookie.
+func qr115Exchange(ctx context.Context, client *http.Client, uid string) (string, error) {
+	form := url.Values{}
+	form.Set("account", uid)
+	form.Set("app", "web")
+	req, _ := http.NewRequestWithContext(ctx, http.MethodPost, qr115PassportBase+"/app/1.0/web/1.0/login/qrcode/", strings.NewReader(form.Encode()))
+	req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+	req.Header.Set("User-Agent", defaultUA)
+	resp, err := client.Do(req)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+	var r struct {
+		State int `json:"state"`
+		Data  struct {
+			Cookie map[string]string `json:"cookie"`
+		} `json:"data"`
+	}
+	if err := json.NewDecoder(resp.Body).Decode(&r); err != nil {
+		return "", fmt.Errorf("115 qr: decode login: %w", err)
+	}
+	if r.State != 1 || len(r.Data.Cookie) == 0 {
+		return "", fmt.Errorf("115 qr: login exchange failed")
+	}
+	parts := make([]string, 0, len(r.Data.Cookie))
+	for k, v := range r.Data.Cookie {
+		parts = append(parts, k+"="+v)
+	}
+	return strings.Join(parts, "; "), nil
+}
diff --git a/internal/service/cloud/quark.go b/internal/service/cloud/quark.go
new file mode 100644
index 0000000..b498998
--- /dev/null
+++ b/internal/service/cloud/quark.go
@@ -0,0 +1,160 @@
+package cloud
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+)
+
+// quarkProvider implements the 夸克网盘 cloud disk using cookie auth.
+//
+// Quark's web API is plain JSON over HTTPS keyed by a session cookie; no
+// request-body encryption is required (unlike 115). The resolved download_url
+// is tied to the session, so playback runs in proxy mode by default.
+type quarkProvider struct {
+	cookie string
+	ua     string
+	base   string // override for tests; defaults to quarkBase
+	client *http.Client
+	proxy  bool
+}
+
+const quarkBase = "https://drive-pc.quark.cn/1/clouddrive"
+
+func newQuark(cfg map[string]any, client *http.Client) *quarkProvider {
+	base := str(cfg["base"])
+	if base == "" {
+		base = quarkBase
+	}
+	ua := str(cfg["ua"])
+	if ua == "" {
+		ua = defaultUA
+	}
+	// Quark download links require the session cookie + UA, so the host must
+	// reverse-proxy unless the admin explicitly opts into raw 302.
+	proxy := true
+	if _, ok := cfg["force_302"]; ok && boolish(cfg["force_302"]) {
+		proxy = false
+	}
+	return &quarkProvider{
+		cookie: str(cfg["cookie"]),
+		ua:     ua,
+		base:   strings.TrimRight(base, "/"),
+		client: client,
+		proxy:  proxy,
+	}
+}
+
+func (q *quarkProvider) Type() string { return TypeQuark }
+
+func (q *quarkProvider) do(ctx context.Context, method, path string, body io.Reader) (*http.Response, error) {
+	req, err := http.NewRequestWithContext(ctx, method, q.base+path, body)
+	if err != nil {
+		return nil, err
+	}
+	req.Header.Set("Cookie", q.cookie)
+	req.Header.Set("User-Agent", q.ua)
+	req.Header.Set("Accept", "application/json, text/plain, */*")
+	req.Header.Set("Referer", "https://pan.quark.cn/")
+	if body != nil {
+		req.Header.Set("Content-Type", "application/json")
+	}
+	return q.client.Do(req)
+}
+
+type quarkResp struct {
+	Status  int             `json:"status"`
+	Code    int             `json:"code"`
+	Message string          `json:"message"`
+	Data    json.RawMessage `json:"data"`
+}
+
+func (q *quarkProvider) Ping(ctx context.Context) error {
+	if q.cookie == "" {
+		return fmt.Errorf("quark: missing cookie")
+	}
+	_, err := q.List(ctx, "0")
+	return err
+}
+
+func (q *quarkProvider) List(ctx context.Context, dirID string) ([]FileEntry, error) {
+	if dirID == "" {
+		dirID = "0"
+	}
+	path := fmt.Sprintf("/file/sort?pr=ucpro&fr=pc&uc_param_str=&pdir_fid=%s&_page=1&_size=100&_fetch_total=1&_sort=file_type:asc,updated_at:desc", dirID)
+	resp, err := q.do(ctx, http.MethodGet, path, nil)
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	var r quarkResp
+	if err := json.NewDecoder(resp.Body).Decode(&r); err != nil {
+		return nil, fmt.Errorf("quark: decode list: %w", err)
+	}
+	if r.Code != 0 && r.Status != 200 {
+		return nil, fmt.Errorf("quark: list failed: %s", r.Message)
+	}
+	var data struct {
+		List []struct {
+			Fid      string `json:"fid"`
+			FileName string `json:"file_name"`
+			Dir      bool   `json:"dir"`
+			Size     int64  `json:"size"`
+		} `json:"list"`
+	}
+	if err := json.Unmarshal(r.Data, &data); err != nil {
+		return nil, fmt.Errorf("quark: decode list data: %w", err)
+	}
+	out := make([]FileEntry, 0, len(data.List))
+	for _, it := range data.List {
+		out = append(out, FileEntry{
+			ID:    it.Fid,
+			Name:  it.FileName,
+			IsDir: it.Dir,
+			Size:  it.Size,
+		})
+	}
+	return out, nil
+}
+
+func (q *quarkProvider) Resolve(ctx context.Context, fileRef string) (*DirectLink, error) {
+	if fileRef == "" {
+		return nil, fmt.Errorf("quark: empty file id")
+	}
+	payload, _ := json.Marshal(map[string]any{"fids": []string{fileRef}})
+	resp, err := q.do(ctx, http.MethodPost, "/file/download?pr=ucpro&fr=pc&uc_param_str=", bytes.NewReader(payload))
+	if err != nil {
+		return nil, err
+	}
+	defer resp.Body.Close()
+	var r quarkResp
+	if err := json.NewDecoder(resp.Body).Decode(&r); err != nil {
+		return nil, fmt.Errorf("quark: decode download: %w", err)
+	}
+	if r.Code != 0 && r.Status != 200 {
+		return nil, fmt.Errorf("quark: download failed: %s", r.Message)
+	}
+	var data []struct {
+		DownloadURL string `json:"download_url"`
+		Fid         string `json:"fid"`
+	}
+	if err := json.Unmarshal(r.Data, &data); err != nil {
+		return nil, fmt.Errorf("quark: decode download data: %w", err)
+	}
+	if len(data) == 0 || data[0].DownloadURL == "" {
+		return nil, fmt.Errorf("quark: no download url returned")
+	}
+	return &DirectLink{
+		URL: data[0].DownloadURL,
+		Headers: map[string]string{
+			"Cookie":     q.cookie,
+			"User-Agent": q.ua,
+			"Referer":    "https://pan.quark.cn/",
+		},
+		Proxy: q.proxy,
+	}, nil
+}
diff --git a/internal/service/storage_config.go b/internal/service/storage_config.go
index 03ee67b..c933525 100644
--- a/internal/service/storage_config.go
+++ b/internal/service/storage_config.go
@@ -11,6 +11,7 @@ import (
 	"errors"
 	"fmt"
 	"net/http"
+	"net/url"
 	"strings"
 	"time"
 
@@ -18,6 +19,7 @@ import (
 
 	"github.com/ShukeBta/MediaStationGo/internal/model"
 	"github.com/ShukeBta/MediaStationGo/internal/repository"
+	"github.com/ShukeBta/MediaStationGo/internal/service/cloud"
 )
 
 // StorageConfigService encrypts + persists external storage configs.
@@ -182,14 +184,124 @@ func (s *StorageConfigService) Test(ctx context.Context, in StorageInput) error
 		}
 		defer resp.Body.Close()
 		return nil
+	case cloud.TypeQuark, cloud.Type115:
+		p, err := cloud.New(in.Type, cfg, s.client)
+		if err != nil {
+			return err
+		}
+		return p.Ping(ctx)
 	default:
 		return fmt.Errorf("unsupported storage type %q", in.Type)
 	}
 }
 
+// CloudProvider constructs a cloud-disk provider from the saved (decrypted)
+// config for the given type, or returns an error if not configured.
+func (s *StorageConfigService) CloudProvider(ctx context.Context, typ string) (cloud.Provider, error) {
+	if !cloud.IsCloudType(typ) {
+		return nil, fmt.Errorf("not a cloud provider: %q", typ)
+	}
+	view, err := s.Get(ctx, typ)
+	if err != nil {
+		return nil, err
+	}
+	if view == nil {
+		return nil, fmt.Errorf("%s storage not configured", typ)
+	}
+	return cloud.New(typ, view.Config, s.client)
+}
+
+// CloudList lists entries under dirID for the configured cloud provider.
+func (s *StorageConfigService) CloudList(ctx context.Context, typ, dirID string) ([]cloud.FileEntry, error) {
+	p, err := s.CloudProvider(ctx, typ)
+	if err != nil {
+		return nil, err
+	}
+	return p.List(ctx, dirID)
+}
+
+// CloudResolve resolves a cloud file reference to a direct link.
+func (s *StorageConfigService) CloudResolve(ctx context.Context, typ, fileRef string) (*cloud.DirectLink, error) {
+	p, err := s.CloudProvider(ctx, typ)
+	if err != nil {
+		return nil, err
+	}
+	return p.Resolve(ctx, fileRef)
+}
+
+// cloudLibraryName maps a provider type to a friendly Chinese library name.
+func cloudLibraryName(typ string) string {
+	switch typ {
+	case cloud.TypeQuark:
+		return "夸克网盘"
+	case cloud.Type115:
+		return "115 网盘"
+	default:
+		return typ
+	}
+}
+
+// ensureCloudLibrary returns (creating if necessary) the per-provider cloud
+// library that owns imported 302 media.
+func (s *StorageConfigService) ensureCloudLibrary(ctx context.Context, typ string) (*model.Library, error) {
+	libs, err := s.repo.Library.List(ctx)
+	if err != nil {
+		return nil, err
+	}
+	path := "cloud://" + typ
+	for i := range libs {
+		if libs[i].Path == path {
+			return &libs[i], nil
+		}
+	}
+	lib := &model.Library{Name: cloudLibraryName(typ), Path: path, Type: "movie", Enabled: true}
+	if err := s.repo.Library.Create(ctx, lib); err != nil {
+		return nil, err
+	}
+	return lib, nil
+}
+
+// CloudImport creates (or refreshes) a playable media row backed by a cloud
+// file. Playback is served entirely via 302 redirect — the host never streams
+// the bytes (unless the provider requires proxy mode).
+func (s *StorageConfigService) CloudImport(ctx context.Context, typ, fileRef, name string, size int64) (*model.Media, error) {
+	if !cloud.IsCloudType(typ) {
+		return nil, fmt.Errorf("not a cloud provider: %q", typ)
+	}
+	if strings.TrimSpace(fileRef) == "" {
+		return nil, errors.New("file reference required")
+	}
+	lib, err := s.ensureCloudLibrary(ctx, typ)
+	if err != nil {
+		return nil, err
+	}
+	title := strings.TrimSpace(name)
+	container := ""
+	if i := strings.LastIndex(title, "."); i > 0 {
+		container = strings.ToLower(strings.TrimPrefix(title[i:], "."))
+		title = title[:i]
+	}
+	if title == "" {
+		title = fileRef
+	}
+	m := &model.Media{
+		LibraryID:    lib.ID,
+		Title:        title,
+		Path:         "cloud://" + typ + "/" + fileRef,
+		SizeBytes:    size,
+		Container:    container,
+		STRMURL:      "/api/cloud/play/" + typ + "?ref=" + url.QueryEscape(fileRef),
+		ScrapeStatus: "pending",
+	}
+	if err := s.repo.Media.Upsert(ctx, m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
+
 func validStorageType(t string) bool {
 	switch t {
-	case "alist", "s3", "webdav":
+	case "alist", "s3", "webdav", cloud.TypeQuark, cloud.Type115:
 		return true
 	}
 	return false
diff --git a/web/src/api/storage_config.ts b/web/src/api/storage_config.ts
index b3aade0..0008641 100644
--- a/web/src/api/storage_config.ts
+++ b/web/src/api/storage_config.ts
@@ -1,6 +1,26 @@
 import { api } from './client'
 
-export type StorageType = 'alist' | 's3' | 'webdav'
+export type StorageType = 'alist' | 's3' | 'webdav' | 'cloud115' | 'quark'
+
+export interface CloudEntry {
+  id: string
+  name: string
+  is_dir: boolean
+  size: number
+  pick_code?: string
+}
+
+export interface QRSession {
+  uid: string
+  time: number
+  sign: string
+  qr_image_url: string
+}
+
+export interface QRStatus {
+  state: 'waiting' | 'scanned' | 'confirmed' | 'expired'
+  cookie?: string
+}
 
 export interface StorageConfig {
   id: string
@@ -34,3 +54,24 @@ export const storageAPI = {
       })
       .then((r) => r.data),
 }
+
+// cloudAPI drives 网盘 browsing, QR login and 302 import.
+export const cloudAPI = {
+  list: (type: StorageType, dir = '') =>
+    api
+      .get<{ items: CloudEntry[]; error?: string }>(`/admin/cloud/${type}/list`, {
+        params: { dir },
+      })
+      .then((r) => r.data),
+
+  import: (type: StorageType, ref: string, name: string, size: number) =>
+    api
+      .post(`/admin/cloud/${type}/import`, { ref, name, size })
+      .then((r) => r.data),
+
+  qrStart: (type: StorageType) =>
+    api.post<QRSession>(`/admin/cloud/${type}/qr/start`).then((r) => r.data),
+
+  qrPoll: (type: StorageType, sess: QRSession) =>
+    api.post<QRStatus>(`/admin/cloud/${type}/qr/poll`, sess).then((r) => r.data),
+}
diff --git a/web/src/pages/StorageConfigPage.tsx b/web/src/pages/StorageConfigPage.tsx
index 07f4768..47f3db6 100644
--- a/web/src/pages/StorageConfigPage.tsx
+++ b/web/src/pages/StorageConfigPage.tsx
@@ -1,8 +1,24 @@
 import { FormEvent, useEffect, useMemo, useState } from 'react'
-import { Cloud, Loader2, Save, Send } from 'lucide-react'
+import { Cloud, FileVideo, Folder, Loader2, QrCode, Save, Send } from 'lucide-react'
 import toast from 'react-hot-toast'
 
-import { storageAPI, type StorageType } from '../api/storage_config'
+import {
+  cloudAPI,
+  storageAPI,
+  type CloudEntry,
+  type QRSession,
+  type StorageType,
+} from '../api/storage_config'
+
+const CLOUD_TYPES: StorageType[] = ['cloud115', 'quark']
+const isCloud = (t: StorageType) => CLOUD_TYPES.includes(t)
+const TYPE_LABEL: Record<string, string> = {
+  alist: 'ALIST',
+  webdav: 'WEBDAV',
+  s3: 'S3',
+  cloud115: '115网盘',
+  quark: '夸克网盘',
+}
 
 // StorageConfigPage manages the Alist / S3 / WebDAV adapters used by
 // the import / playback / STRM subsystems. Mirrors the Vue UI's
@@ -18,24 +34,24 @@ export function StorageConfigPage() {
         <div>
           <h1 className="font-display text-3xl font-bold text-ink-600">外部存储</h1>
           <p className="text-sm text-ink-50">
-            配置 Alist / S3 / WebDAV 后端,支持密码加密存储 + 在线测试
+            配置 Alist / S3 / WebDAV / 网盘(115 / 夸克)后端,Cookie 加密存储 + 在线测试,网盘资源通过 302 直链播放
           </p>
         </div>
       </div>
 
       <div className="flex gap-2 border-b border-gray-200">
-        {(['alist', 'webdav', 's3'] as StorageType[]).map((t) => (
+        {(['alist', 'webdav', 's3', 'cloud115', 'quark'] as StorageType[]).map((t) => (
           <button
             key={t}
             onClick={() => setActive(t)}
             className={
-              'border-b-2 px-4 py-2 text-sm uppercase ' +
+              'border-b-2 px-4 py-2 text-sm ' +
               (active === t
                 ? 'border-primary-400 text-brand-500'
                 : 'border-transparent text-ink-50 hover:text-white')
             }
           >
-            {t}
+            {TYPE_LABEL[t] ?? t}
           </button>
         ))}
       </div>
@@ -63,6 +79,14 @@ const FIELD_DEFS: Record<StorageType, { key: string; label: string; secret?: boo
     { key: 'secret_key', label: 'Secret Key', secret: true },
     { key: 'force_path_style', label: 'force_path_style (true/false)' },
   ],
+  cloud115: [
+    { key: 'cookie', label: 'Cookie(UID / CID / SEID,或扫码登录自动填充)', secret: true, placeholder: 'UID=...; CID=...; SEID=...' },
+    { key: 'force_proxy', label: '强制反代(true/false,默认 302 直链)' },
+  ],
+  quark: [
+    { key: 'cookie', label: 'Cookie(从 pan.quark.cn 复制整段)', secret: true, placeholder: '__pus=...; __kp=...; kps=...' },
+    { key: 'force_302', label: '强制 302 直链(true/false,默认反代)' },
+  ],
 }
 
 function StorageForm({ type }: { type: StorageType }) {
@@ -158,6 +182,12 @@ function StorageForm({ type }: { type: StorageType }) {
           />
         </label>
       ))}
+      {type === 'cloud115' && (
+        <QRLoginPanel
+          type={type}
+          onCookie={(c) => setConfig((cfg) => ({ ...cfg, cookie: c }))}
+        />
+      )}
       <label className="flex items-center gap-2 text-sm text-ink-100">
         <input
           type="checkbox"
@@ -182,6 +212,169 @@ function StorageForm({ type }: { type: StorageType }) {
           保存
         </button>
       </div>
+      {isCloud(type) && <CloudBrowser type={type} />}
     </form>
   )
 }
+
+// QRLoginPanel drives the 115 QR-code login: start → render image → poll →
+// fill the cookie field on confirmation.
+function QRLoginPanel({ type, onCookie }: { type: StorageType; onCookie: (c: string) => void }) {
+  const [sess, setSess] = useState<QRSession | null>(null)
+  const [state, setState] = useState<string>('')
+  const [busy, setBusy] = useState(false)
+
+  useEffect(() => {
+    if (!sess) return
+    let alive = true
+    const timer = setInterval(async () => {
+      try {
+        const st = await cloudAPI.qrPoll(type, sess)
+        if (!alive) return
+        setState(st.state)
+        if (st.state === 'confirmed' && st.cookie) {
+          onCookie(st.cookie)
+          toast.success('扫码登录成功,Cookie 已填入,请点击保存')
+          setSess(null)
+        } else if (st.state === 'expired') {
+          toast.error('二维码已过期,请重新获取')
+          setSess(null)
+        }
+      } catch {
+        /* keep polling */
+      }
+    }, 2000)
+    return () => {
+      alive = false
+      clearInterval(timer)
+    }
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [sess])
+
+  const start = async () => {
+    setBusy(true)
+    try {
+      const s = await cloudAPI.qrStart(type)
+      setSess(s)
+      setState('waiting')
+    } catch (err: unknown) {
+      const msg = (err as { response?: { data?: { error?: string } } })?.response?.data?.error ?? '获取二维码失败'
+      toast.error(msg)
+    } finally {
+      setBusy(false)
+    }
+  }
+
+  return (
+    <div className="rounded-lg border border-gray-200 p-3">
+      <button
+        type="button"
+        onClick={start}
+        disabled={busy}
+        className="flex items-center gap-2 rounded-lg border border-gray-200 px-3 py-2 text-sm text-ink-100 hover:bg-gray-50"
+      >
+        {busy ? <Loader2 size={14} className="animate-spin" /> : <QrCode size={14} />}
+        使用 115 App 扫码登录
+      </button>
+      {sess && (
+        <div className="mt-3 flex items-center gap-3">
+          <img src={sess.qr_image_url} alt="115 QR" className="h-40 w-40 rounded bg-white p-1" />
+          <span className="text-sm text-ink-50">
+            {state === 'scanned' ? '已扫描,请在手机上确认登录…' : '请使用 115 手机 App 扫描二维码…'}
+          </span>
+        </div>
+      )}
+    </div>
+  )
+}
+
+// CloudBrowser lists 网盘 directories and imports a file as a 302-backed media.
+function CloudBrowser({ type }: { type: StorageType }) {
+  const [stack, setStack] = useState<{ id: string; name: string }[]>([{ id: '', name: '根目录' }])
+  const [items, setItems] = useState<CloudEntry[]>([])
+  const [loading, setLoading] = useState(false)
+  const [error, setError] = useState('')
+
+  const cur = stack[stack.length - 1]
+  const load = async (dir: string) => {
+    setLoading(true)
+    setError('')
+    try {
+      const r = await cloudAPI.list(type, dir)
+      setItems(r.items ?? [])
+      if (r.error) setError(r.error)
+    } catch (err: unknown) {
+      setError((err as { response?: { data?: { error?: string } } })?.response?.data?.error ?? '加载失败')
+      setItems([])
+    } finally {
+      setLoading(false)
+    }
+  }
+
+  useEffect(() => {
+    load(cur.id).catch(() => undefined)
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [stack.length, type])
+
+  const enter = (e: CloudEntry) => setStack((s) => [...s, { id: e.id, name: e.name }])
+  const goTo = (i: number) => setStack((s) => s.slice(0, i + 1))
+
+  const doImport = async (e: CloudEntry) => {
+    const ref = type === 'cloud115' ? e.pick_code || e.id : e.id
+    try {
+      await cloudAPI.import(type, ref, e.name, e.size)
+      toast.success(`已导入「${e.name}」,可在媒体库中 302 播放`)
+    } catch (err: unknown) {
+      toast.error((err as { response?: { data?: { error?: string } } })?.response?.data?.error ?? '导入失败')
+    }
+  }
+
+  return (
+    <div className="mt-2 rounded-lg border border-gray-200 p-3" onClick={(e) => e.preventDefault()}>
+      <div className="mb-2 flex flex-wrap items-center gap-1 text-xs text-ink-50">
+        <span className="text-ink-100">网盘资源:</span>
+        {stack.map((s, i) => (
+          <span key={i}>
+            <button type="button" className="hover:text-brand-500" onClick={() => goTo(i)}>
+              {s.name}
+            </button>
+            {i < stack.length - 1 && <span className="mx-1">/</span>}
+          </span>
+        ))}
+      </div>
+      {loading ? (
+        <div className="flex justify-center py-4 text-ink-50">
+          <Loader2 className="animate-spin" size={16} />
+        </div>
+      ) : error ? (
+        <p className="py-2 text-sm text-red-400">{error}(请先填写有效 Cookie 并保存)</p>
+      ) : items.length === 0 ? (
+        <p className="py-2 text-sm text-ink-50">该目录为空</p>
+      ) : (
+        <ul className="divide-y divide-gray-100">
+          {items.map((e) => (
+            <li key={e.id} className="flex items-center gap-2 py-1.5 text-sm">
+              {e.is_dir ? <Folder size={15} className="text-amber-400" /> : <FileVideo size={15} className="text-blue-300" />}
+              {e.is_dir ? (
+                <button type="button" className="flex-1 text-left text-ink-100 hover:text-brand-500" onClick={() => enter(e)}>
+                  {e.name}
+                </button>
+              ) : (
+                <>
+                  <span className="flex-1 truncate text-ink-100">{e.name}</span>
+                  <button
+                    type="button"
+                    className="rounded border border-gray-200 px-2 py-0.5 text-xs text-ink-100 hover:bg-gray-50"
+                    onClick={() => doImport(e)}
+                  >
+                    导入
+                  </button>
+                </>
+              )}
+            </li>
+          ))}
+        </ul>
+      )}
+    </div>
+  )
+}