diff --git a/packages/sumi-core/src/common/types.ts b/packages/sumi-core/src/common/types.ts
index 1513de73..bff76b28 100644
--- a/packages/sumi-core/src/common/types.ts
+++ b/packages/sumi-core/src/common/types.ts
@@ -51,7 +51,7 @@ export interface RuntimeConfig {
     /**
      * 文件系统配置
      */
-    filesystem: FileSystemConfiguration;
+    filesystem?: FileSystemConfiguration;
     /**
      * 文档保存事件
      * @param data.filepath 文档相对工作空间路径