Update material.md

LgnMs · JackLian · commit b6313c0460f9 · 2023-06-26T15:22:41.000+08:00
loadIncrementalAssets返回的应当是Promise&lt;void&gt;
diff --git a/docs/docs/api/material.md b/docs/docs/api/material.md
@@ -102,7 +102,7 @@ material.getAssets();
  * @param incrementalAssets
  * @returns
  */
-loadIncrementalAssets(incrementalAssets: IPublicTypeAssetsJson): void;
+loadIncrementalAssets(incrementalAssets: IPublicTypeAssetsJson): Promise<void>;
 ```
 相关类型：[IPublicTypeAssetsJson](https://github.com/alibaba/lowcode-engine/blob/main/packages/types/src/shell/type/assets-json.ts)
 
