diff --git a/packages/fes-plugin-watermark/types.d.ts b/packages/fes-plugin-watermark/types.d.ts
index c5617cea..4ba2b0ef 100644
--- a/packages/fes-plugin-watermark/types.d.ts
+++ b/packages/fes-plugin-watermark/types.d.ts
@@ -1,6 +1,6 @@
 import '@fesjs/fes';
 
-interface WatermarkParam {
+export interface WatermarkParam {
     content?: string;
     container?: HTMLElement;
     width?: number;