diff --git a/apps/server/data/opsxapi.db-shm b/apps/server/data/opsxapi.db-shm
index b4c4bba..93de15d 100644
Binary files a/apps/server/data/opsxapi.db-shm and b/apps/server/data/opsxapi.db-shm differ
diff --git a/apps/server/data/opsxapi.db-wal b/apps/server/data/opsxapi.db-wal
index 29c6982..5b96ffa 100644
Binary files a/apps/server/data/opsxapi.db-wal and b/apps/server/data/opsxapi.db-wal differ
diff --git a/apps/server/internal/api/api.go b/apps/server/internal/api/api.go
index ddaca40..7ac9d8d 100644
--- a/apps/server/internal/api/api.go
+++ b/apps/server/internal/api/api.go
@@ -211,7 +211,11 @@ func (a *API) handlePublishMock(c *gin.Context, user *store.User) {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "发布失败：" + err.Error()})
 		return
 	}
-	c.JSON(http.StatusOK, gin.H{"ok": true, "count": len(req.Endpoints), "base": "/mock/" + strconv.FormatInt(ws.ID, 10)})
+	base := ws.MockToken
+	if base == "" {
+		base = strconv.FormatInt(ws.ID, 10) // 兜底（不应出现）
+	}
+	c.JSON(http.StatusOK, gin.H{"ok": true, "count": len(req.Endpoints), "base": "/mock/" + base})
 }
 
 /* ---------------- 工作区同步 ---------------- */
diff --git a/apps/server/internal/docs/content/14-mock.md b/apps/server/internal/docs/content/14-mock.md
index 3165de3..930a016 100644
--- a/apps/server/internal/docs/content/14-mock.md
+++ b/apps/server/internal/docs/content/14-mock.md
@@ -77,7 +77,7 @@ Body 工具栏提供两个辅助按钮：
 
 1. 登录并切换到「我的空间」或团队空间（Mock 按空间隔离）；
 2. HTTP 请求 URL 行点 **Mock 链接** → 选择响应状态码与延迟 → **发布**（一次发布当前空间集合内全部 HTTP 接口）；
-3. 得到地址：`http://127.0.0.1:8787/mock/{空间ID}{路径}`，例如 `http://127.0.0.1:8787/mock/3/api/users`。
+3. 得到地址：`http://127.0.0.1:8787/mock/{空间随机地址}{路径}`（每空间一个 16 位随机片段，不可枚举、不暴露归属），例如 `http://127.0.0.1:8787/mock/9f2c7a1b3d5e4f60/api/users`。
 
 特点：
 
diff --git a/apps/server/internal/mocksrv/server.go b/apps/server/internal/mocksrv/server.go
index a1087da..27ca979 100644
--- a/apps/server/internal/mocksrv/server.go
+++ b/apps/server/internal/mocksrv/server.go
@@ -2,7 +2,6 @@ package mocksrv
 
 import (
 	"net/http"
-	"strconv"
 	"strings"
 	"sync"
 	"time"
@@ -25,6 +24,7 @@ type Endpoint struct {
 type storeAPI interface {
 	ReplaceMockEndpoints(workspaceID int64, list []Endpoint) error
 	FindMockEndpoint(workspaceID int64, method, path string) (*Endpoint, bool, error)
+	ResolveMockToken(token string) (int64, bool, error)
 }
 
 /* ---------------- 限流：20 QPS / 60 QPM（按 IP + 空间，滑动窗口） ---------------- */
@@ -121,7 +121,16 @@ func (s *Server) handle(c *gin.Context) {
 		return
 	}
 
-	wsID, _ := strconv.ParseInt(wsid, 10, 64)
+	// wsid 实为 mock_token：不可枚举、不暴露空间归属；解析失败统一 404
+	wsID, ok, err := s.store.ResolveMockToken(wsid)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "mock 存储读取失败"})
+		return
+	}
+	if !ok {
+		c.JSON(http.StatusNotFound, gin.H{"error": "Mock 地址无效或已失效"})
+		return
+	}
 	ep, found, err := s.store.FindMockEndpoint(wsID, method, path)
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "mock 存储读取失败"})
diff --git a/apps/server/internal/store/store.go b/apps/server/internal/store/store.go
index b3177f9..9821517 100644
--- a/apps/server/internal/store/store.go
+++ b/apps/server/internal/store/store.go
@@ -80,7 +80,8 @@ CREATE TABLE IF NOT EXISTS workspaces (
   team_id INTEGER REFERENCES teams(id) ON DELETE CASCADE,
   owner_id INTEGER NOT NULL REFERENCES users(id),
   data TEXT NOT NULL DEFAULT '',
-  updated_at INTEGER NOT NULL
+  updated_at INTEGER NOT NULL,
+  mock_token TEXT UNIQUE
 );
 CREATE INDEX IF NOT EXISTS idx_tokens_user ON tokens(user_id);
 CREATE INDEX IF NOT EXISTS idx_members_user ON team_members(user_id);
@@ -99,7 +100,40 @@ CREATE TABLE IF NOT EXISTS mock_endpoints (
 CREATE INDEX IF NOT EXISTS idx_mock_ws ON mock_endpoints(workspace_id);
 CREATE INDEX IF NOT EXISTS idx_workspaces_owner ON workspaces(owner_id);
 `)
-	return err
+	if err != nil {
+		return err
+	}
+	// 老库补列 + 回填随机 token（幂等）
+	if _, err := s.db.Exec(`ALTER TABLE workspaces ADD COLUMN mock_token TEXT`); err == nil {
+		_, _ = s.db.Exec(`CREATE UNIQUE INDEX IF NOT EXISTS idx_workspaces_mock_token ON workspaces(mock_token)`)
+	}
+	rows, err := s.db.Query(`SELECT id FROM workspaces WHERE mock_token IS NULL OR mock_token = ''`)
+	if err != nil {
+		return err
+	}
+	var ids []int64
+	for rows.Next() {
+		var id int64
+		if err := rows.Scan(&id); err != nil {
+			rows.Close()
+			return err
+		}
+		ids = append(ids, id)
+	}
+	rows.Close()
+	for _, id := range ids {
+		if _, err := s.db.Exec(`UPDATE workspaces SET mock_token = ? WHERE id = ?`, newMockToken(), id); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+// newMockToken 16 位随机 hex（URL 片段，不可枚举）
+func newMockToken() string {
+	raw := make([]byte, 8)
+	_, _ = rand.Read(raw)
+	return hex.EncodeToString(raw)
 }
 
 /* ---------------- 密码 ---------------- */
@@ -227,8 +261,8 @@ func (s *Store) CreateTeam(ownerID int64, name string) (*Team, error) {
 		return nil, err
 	}
 	if _, err := s.db.Exec(
-		`INSERT INTO workspaces(name, team_id, owner_id, data, updated_at) VALUES(?,?,?,'',?)`,
-		name, id, ownerID, now,
+		`INSERT INTO workspaces(name, team_id, owner_id, data, updated_at, mock_token) VALUES(?,?,?,'',?,?)`,
+		name, id, ownerID, now, newMockToken(),
 	); err != nil {
 		return nil, err
 	}
@@ -285,6 +319,7 @@ type Workspace struct {
 	OwnerID   int64  `json:"ownerId"`
 	Data      string `json:"data"`
 	UpdatedAt int64  `json:"updatedAt"`
+	MockToken string `json:"mockToken"`
 }
 
 // WorkspacesOfUser：个人空间 + 所在团队的空间（含个人空间自动补齐）
@@ -294,8 +329,8 @@ func (s *Store) WorkspacesOfUser(userID int64) ([]Workspace, error) {
 	err := s.db.QueryRow(`SELECT 1 FROM workspaces WHERE owner_id = ? AND team_id IS NULL`, userID).Scan(&one)
 	if errors.Is(err, sql.ErrNoRows) {
 		if _, err := s.db.Exec(
-			`INSERT INTO workspaces(name, team_id, owner_id, data, updated_at) VALUES(?,NULL,?,'',?)`,
-			"我的空间", userID, time.Now().Unix(),
+			`INSERT INTO workspaces(name, team_id, owner_id, data, updated_at, mock_token) VALUES(?,NULL,?,'',?,?)`,
+			"我的空间", userID, time.Now().Unix(), newMockToken(),
 		); err != nil {
 			return nil, err
 		}
@@ -304,7 +339,7 @@ func (s *Store) WorkspacesOfUser(userID int64) ([]Workspace, error) {
 	}
 
 	rows, err := s.db.Query(`
-SELECT w.id, w.name, w.team_id, w.owner_id, IFNULL(w.data,''), w.updated_at
+SELECT w.id, w.name, w.team_id, w.owner_id, IFNULL(w.data,''), w.updated_at, IFNULL(w.mock_token,'')
 FROM workspaces w
 WHERE w.owner_id = ?
    OR w.team_id IN (SELECT team_id FROM team_members WHERE user_id = ?)
@@ -316,7 +351,7 @@ ORDER BY w.team_id IS NOT NULL, w.id`, userID, userID)
 	var out []Workspace
 	for rows.Next() {
 		var w Workspace
-		if err := rows.Scan(&w.ID, &w.Name, &w.TeamID, &w.OwnerID, &w.Data, &w.UpdatedAt); err != nil {
+		if err := rows.Scan(&w.ID, &w.Name, &w.TeamID, &w.OwnerID, &w.Data, &w.UpdatedAt, &w.MockToken); err != nil {
 			return nil, err
 		}
 		out = append(out, w)
@@ -341,8 +376,8 @@ WHERE w.id = ? AND (w.owner_id = ?
 func (s *Store) WorkspaceByID(wsID int64) (*Workspace, error) {
 	w := &Workspace{}
 	err := s.db.QueryRow(
-		`SELECT id, name, team_id, owner_id, IFNULL(data,''), updated_at FROM workspaces WHERE id = ?`, wsID,
-	).Scan(&w.ID, &w.Name, &w.TeamID, &w.OwnerID, &w.Data, &w.UpdatedAt)
+		`SELECT id, name, team_id, owner_id, IFNULL(data,''), updated_at, IFNULL(mock_token,'') FROM workspaces WHERE id = ?`, wsID,
+	).Scan(&w.ID, &w.Name, &w.TeamID, &w.OwnerID, &w.Data, &w.UpdatedAt, &w.MockToken)
 	if errors.Is(err, sql.ErrNoRows) {
 		return nil, ErrNotFound
 	}
@@ -393,6 +428,19 @@ func (s *Store) FindMockEndpoint(workspaceID int64, method, path string) (*mocks
 	return e, true, nil
 }
 
+// ResolveMockToken：mock token → workspace id（不存在返回 false，不暴露信息）
+func (s *Store) ResolveMockToken(token string) (int64, bool, error) {
+	var id int64
+	err := s.db.QueryRow(`SELECT id FROM workspaces WHERE mock_token = ?`, token).Scan(&id)
+	if errors.Is(err, sql.ErrNoRows) {
+		return 0, false, nil
+	}
+	if err != nil {
+		return 0, false, err
+	}
+	return id, true, nil
+}
+
 func (s *Store) SaveWorkspace(wsID int64, data string) (int64, error) {
 	now := time.Now().Unix()
 	_, err := s.db.Exec(`UPDATE workspaces SET data = ?, updated_at = ? WHERE id = ?`, data, now, wsID)
diff --git a/packages/ui/src/account.ts b/packages/ui/src/account.ts
index d832507..069d39d 100644
--- a/packages/ui/src/account.ts
+++ b/packages/ui/src/account.ts
@@ -3,7 +3,15 @@
  */
 export type AccountUser = { id: number; name: string; email: string };
 export type AccountTeam = { id: number; name: string; role: string; owner: string };
-export type AccountWorkspace = { id: number; name: string; teamId: number | null; ownerId: number; updatedAt: number };
+export type AccountWorkspace = {
+  id: number;
+  name: string;
+  teamId: number | null;
+  ownerId: number;
+  updatedAt: number;
+  /** Mock 服务随机地址片段（不可枚举） */
+  mockToken?: string;
+};
 
 class ApiError extends Error {
   constructor(message: string, public status: number) {
diff --git a/packages/ui/src/components/dialogs/MockLinkDialog.tsx b/packages/ui/src/components/dialogs/MockLinkDialog.tsx
index 4914949..b8a9b3e 100644
--- a/packages/ui/src/components/dialogs/MockLinkDialog.tsx
+++ b/packages/ui/src/components/dialogs/MockLinkDialog.tsx
@@ -36,7 +36,8 @@ export function MockLinkDialog({ node }: { node: HttpApiNode }) {
     }
   }
 
-  const mockUrl = space ? `${location.origin.replace(/:\d+$/, ":8787")}/mock/${space.id}${urlPath}` : "";
+  const mockSeg = space?.mockToken ?? (space ? String(space.id) : "");
+  const mockUrl = mockSeg ? `${location.origin.replace(/:\d+$/, ":8787")}/mock/${mockSeg}${urlPath}` : "";
 
   const publish = async () => {
     if (!account.token || !space) return;
diff --git a/packages/ui/src/workspaceStore.ts b/packages/ui/src/workspaceStore.ts
index 9b7fd58..7c4e3f4 100644
--- a/packages/ui/src/workspaceStore.ts
+++ b/packages/ui/src/workspaceStore.ts
@@ -133,7 +133,7 @@ type WorkspaceStore = PersistedShape & {
     token: string | null;
     user: { id: number; name: string; email: string } | null;
     teams: { id: number; name: string; role: string; owner: string }[];
-    spaces: { id: number; name: string; teamId: number | null; updatedAt: number }[];
+    spaces: { id: number; name: string; teamId: number | null; updatedAt: number; mockToken?: string }[];
     activeSpaceId: number | null;
     syncing: boolean;
     lastSyncAt: number | null;