diff --git a/canvas-agent/package.json b/canvas-agent/package.json
index 36be50c..96a3ef4 100644
--- a/canvas-agent/package.json
+++ b/canvas-agent/package.json
@@ -1,11 +1,11 @@
 {
   "name": "@basketikun/canvas-agent",
-  "version": "0.2.0",
+  "version": "0.3.0",
   "type": "module",
   "main": "./dist/index.js",
   "types": "./dist/index.d.ts",
   "bin": {
-    "canvas-agent": "./dist/index.js"
+    "canvas-agent": "dist/index.js"
   },
   "files": [
     "dist",
diff --git a/canvas-agent/src/canvas/session.ts b/canvas-agent/src/canvas/session.ts
index 8beb349..6f400e0 100644
--- a/canvas-agent/src/canvas/session.ts
+++ b/canvas-agent/src/canvas/session.ts
@@ -103,8 +103,9 @@ export class CanvasSession {
     updateState(body: unknown, clientId?: string) {
         const targetClientId = clientId || this.activeClientId;
         if (!targetClientId) return;
-        this.canvasStates.set(targetClientId, { ...((body && typeof body === "object" && !Array.isArray(body) ? body : {}) as Record<string, unknown>), clientId: targetClientId } as CanvasSnapshot);
-        logger.debug("Canvas state updated", { clientId: targetClientId, nodes: Array.isArray((body as CanvasSnapshot | null)?.nodes) ? (body as CanvasSnapshot).nodes.length : 0, connections: Array.isArray((body as CanvasSnapshot | null)?.connections) ? (body as CanvasSnapshot).connections.length : 0 });
+        const state = { ...((body && typeof body === "object" && !Array.isArray(body) ? body : {}) as Record<string, unknown>), clientId: targetClientId } as CanvasSnapshot;
+        this.canvasStates.set(targetClientId, state);
+        logger.debug("Canvas state updated", { clientId: targetClientId, nodes: state.nodes?.length || 0, connections: state.connections?.length || 0 });
     }
 
     /** 将指定网页设为最近激活的工具目标。 */