diff --git a/packages/designer/src/document/node/node-children.ts b/packages/designer/src/document/node/node-children.ts
index d21b0c288..0cc585f70 100644
--- a/packages/designer/src/document/node/node-children.ts
+++ b/packages/designer/src/document/node/node-children.ts
@@ -179,6 +179,7 @@ export class NodeChildren {
     }
 
     this.emitter.emit('change');
+    this.emitter.emit('insert', node);
     // this.reportModified(node, this.owner, { type: 'insert' });
 
     // check condition group
@@ -330,6 +331,13 @@ export class NodeChildren {
     };
   }
 
+  onInsert(fn: (node: Node) => void) {
+    this.emitter.on('insert', fn);
+    return () => {
+      this.emitter.removeListener('insert', fn);
+    };
+  }
+
   get [Symbol.toStringTag]() {
     // 保证向前兼容性
     return 'Array';