diff --git a/CHANGELOG.md b/CHANGELOG.md
index 568ac9806bfe4612e2da107e035a466bdfdd5d1c..19661b7732e657af50c93e28495e1b25d1eed7ea 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
 
 ### Fixed
 
+- 修复树导航引擎未往下传递srfnav
 - 添加部件滚动默认变量
 
 ### Added
diff --git a/src/view-engine/mob-tree-exp-view.engine.ts b/src/view-engine/mob-tree-exp-view.engine.ts
index 321cfc0de0ea3aa0053d385d4184d9f68384ab04..304800dcee5b7de7f06f393fc02b3deb3c273d60 100644
--- a/src/view-engine/mob-tree-exp-view.engine.ts
+++ b/src/view-engine/mob-tree-exp-view.engine.ts
@@ -56,6 +56,7 @@ export class MobTreeExpViewEngine extends ViewEngineBase {
 
   async onMounted(): Promise<void> {
     await super.onMounted();
+    this.expBar.state.srfnav = this.view.state.srfnav;
     const deName = calcDeCodeNameById(this.view.model.appDataEntityId!);
     if (!this.view.context[deName]) {
       return;