diff --git a/package.json b/package.json
index 86409d5059..e8eb6d0e09 100644
--- a/package.json
+++ b/package.json
@@ -50,7 +50,8 @@
     "test": "jest",
     "test-live": "DEBUG_MODE=1 jest --watch  ./tests/unit/layout/dagre-spec.ts",
     "lint-staged:js": "eslint --ext .js,.jsx,.ts,.tsx",
-    "watch": "father build -w"
+    "watch": "father build -w",
+    "cdn": "antv-bin upload -n @antv/g6"
   },
   "husky": {
     "hooks": {
diff --git a/src/graph/tree-graph.ts b/src/graph/tree-graph.ts
index 6b1b19f214..5ee3a9835e 100644
--- a/src/graph/tree-graph.ts
+++ b/src/graph/tree-graph.ts
@@ -214,6 +214,20 @@ export default class TreeGraph  extends Graph implements ITreeGraph {
       self.layout(this.get('fitView'));
     }
   }
+  /**
+   * 更改并应用树布局算法
+   * @param {object} layout 布局算法
+   */
+  public updateLayout(layout) {
+    const self = this;
+    if (!layout) {
+      console.warn('layout cannot be null');
+      return;
+    }
+    self.set('layout', layout);
+    self.set('layoutMethod', self.getLayout());
+    self.layout();
+  }
 
   /**
    * 根据目前的 data 刷新布局，更新到画布上。用于变更数据之后刷新视图。