diff --git a/mod.ts b/mod.ts
new file mode 100644
index 0000000..148c52e
--- /dev/null
+++ b/mod.ts
@@ -0,0 +1 @@
+export * from './src/index.ts'
\ No newline at end of file
diff --git a/src/cnb-core.ts b/src/cnb-core.ts
index 5bb37d5..c947e7a 100644
--- a/src/cnb-core.ts
+++ b/src/cnb-core.ts
@@ -51,7 +51,7 @@ export class CNBCore {
       _headers['Cookie'] = this.cookie || "";
       delete _headers.Authorization;
     }
-    console.log('Request URL:', url, data, _headers);
+    // console.log('Request URL:', url, data, _headers);
     const response = await fetch(url || '', {
       method,
       headers: _headers,
diff --git a/src/index.ts b/src/index.ts
index a65ce76..810dc53 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,10 +1,29 @@
-import { CNBCore, CNBCoreOptions } from "./cnb-core";
-import { Workspace } from "./workspace";
+import { CNBCore, CNBCoreOptions } from "./cnb-core.ts";
+import { Workspace } from "./workspace.ts";
+import { KnowledgeBase } from "./knowledge/index.ts";
+import { Repo } from "./repo/index.ts";
+import { User } from "./user/index.ts";
+
 type CNBOptions = CNBCoreOptions<{}>;
+
 export class CNB extends CNBCore {
-  workspace: Workspace;
+  workspace!: Workspace;
+  knowledgeBase!: KnowledgeBase;
+  repo!: Repo;
+  user!: User;
   constructor(options: CNBOptions) {
-    super({ token: options.token });
-    this.workspace = new Workspace(options.token);
+    super({ token: options.token, cookie: options.cookie });
+    this.init(options);
   }
-}
\ No newline at end of file
+  init(options: CNBOptions) {
+    this.workspace = new Workspace(options.token);
+    this.knowledgeBase = new KnowledgeBase({ token: options.token, cookie: options.cookie });
+    this.repo = new Repo({ token: options.token, cookie: options.cookie });
+    this.user = new User({ token: options.token, cookie: options.cookie });
+  }
+}
+
+export * from './workspace.ts'
+export * from './cnb-core.ts'
+export * from './knowledge/index.ts'
+export * from './repo/index.ts'
diff --git a/src/knowledge/index.ts b/src/knowledge/index.ts
new file mode 100644
index 0000000..f43263b
--- /dev/null
+++ b/src/knowledge/index.ts
@@ -0,0 +1,55 @@
+import { CNBCore, CNBCoreOptions, RequestOptions, Result } from "../cnb-core.ts";
+
+type RepoOptions = CNBCoreOptions<{
+  group?: string;
+}>
+export class KnowledgeBase extends CNBCore {
+  group: string;
+  constructor(options: RepoOptions) {
+    super({ token: options.token, cookie: options.cookie });
+    this.group = options.group || '';
+  }
+
+  queryKnowledgeBase(repo: string, data: {
+    query: string,
+    score_threshold?: number,
+    top_k?: number,
+    metadata_filtering_conditions?: MetadataFilteringConditions
+  }): Promise<any> {
+    const group = this.group || '';
+    const url = `/${group}/${repo}/-/knowledge/query`;
+    let postData = {
+      query: data.query,
+    };
+    return this.post({ url, data: postData });
+  }
+  getEmbeddingModels(repo: string): Promise<Result<Array<{ name: string, dimensions: number }>>> {
+    const group = this.group || '';
+    const url = `/${group}/${repo}/-/knowledge/embedding/models`;
+    // bg3-m3 1024
+    // hunyuan 1024
+    return this.get({ url });
+  }
+  getBase(repo: string): Promise<Result<any>> {
+    const group = this.group || '';
+    const url = `/${group}/${repo}/-/knowledge/base`;
+    return this.get({ url });
+  }
+  deleteBase(repo: string): Promise<Result<any>> {
+    const group = this.group || '';
+    const url = `/${group}/${repo}/-/knowledge/base`;
+    return this.request({ url, method: 'DELETE' });
+  }
+}
+
+type MetadataFilteringConditions = {
+  conditions: Array<{
+    comparison_operator?: 'is' | 'is not' | 'contains' | 'not contains' | 'start with' | 'end with' | 'is empty' | 'is not empty';
+    name?: "position" | "path" | "type",
+    /**
+     * "is empty" and "is not empty" 时候忽略该字段
+     */
+    value?: string
+  }>
+  logical_operator?: 'adn' | 'or'
+}
\ No newline at end of file
diff --git a/src/repo/index.ts b/src/repo/index.ts
index e0b999f..1aee95c 100644
--- a/src/repo/index.ts
+++ b/src/repo/index.ts
@@ -1,4 +1,4 @@
-import { CNBCore, CNBCoreOptions, RequestOptions, Result } from "../cnb-core";
+import { CNBCore, CNBCoreOptions, RequestOptions, Result } from "../cnb-core.ts";
 
 type RepoOptions = CNBCoreOptions<{
   group?: string;
diff --git a/src/user/index.ts b/src/user/index.ts
index 2b3aaff..182e8b8 100644
--- a/src/user/index.ts
+++ b/src/user/index.ts
@@ -1,4 +1,4 @@
-import { CNBCore, CNBCoreOptions } from "../cnb-core";
+import { CNBCore, CNBCoreOptions } from "../cnb-core.ts";
 
 export class User extends CNBCore {
   constructor(options: CNBCoreOptions<{}>) {
diff --git a/src/workspace.ts b/src/workspace.ts
index 5077f5b..fef5467 100644
--- a/src/workspace.ts
+++ b/src/workspace.ts
@@ -5,7 +5,7 @@
  * @createdAt 2025-12-04
  */
 
-import { CNBCore } from "./cnb-core";
+import { CNBCore } from "./cnb-core.ts";
 
 /**
  * 工作空间列表查询参数
diff --git a/test/knowledge.ts b/test/knowledge.ts
new file mode 100644
index 0000000..aa7ba00
--- /dev/null
+++ b/test/knowledge.ts
@@ -0,0 +1,10 @@
+import { KnowledgeBase } from "../src/knowledge/index.ts";
+
+import { token, showMore, cookie } from "./common.ts";
+
+const repo = new KnowledgeBase({ group: "kevisual/demo", token: token, cookie: cookie });
+const repoName = "test-cnb";
+
+const queryRes = await repo.getEmbeddingModels(repoName);
+
+console.log("queryRes", showMore(queryRes));