diff --git a/API.md b/API.md
index f59da1449..b35cd9091 100644
--- a/API.md
+++ b/API.md
@@ -469,7 +469,7 @@ View API token in <kbd>Settings - About</kbd>, request header: `Authorization: T
         * `"/assets/sub/"`: workspace/data/assets/sub/ folder
 
       Under normal circumstances, it is recommended to use the first method, which is stored in the assets folder
-      of the workspace.
+      of the workspace, putting in a subdirectory has some side effects, please refer to the assets chapter of the user guide.
     * `file[]`: Uploaded file list
 * Return value
 
diff --git a/API_zh_CN.md b/API_zh_CN.md
index 1e34d893c..dfecb8f59 100644
--- a/API_zh_CN.md
+++ b/API_zh_CN.md
@@ -466,7 +466,7 @@
         * `"/assets/"`：工作空间/data/assets/ 文件夹
         * `"/assets/sub/"`：工作空间/data/assets/sub/ 文件夹
 
-      常规情况下建议用第一种，统一存放到工作空间资源文件夹下。
+      常规情况下建议用第一种，统一存放到工作空间资源文件夹下，放在子目录有一些副作用，请参考用户指南资源文件章节。
     * `file[]`：上传的文件列表
 * 返回值