diff --git a/web/src/plugin/common/reg.ts b/web/src/plugin/common/reg.ts
index b2c3ca05..7ae89b99 100644
--- a/web/src/plugin/common/reg.ts
+++ b/web/src/plugin/common/reg.ts
@@ -41,7 +41,7 @@ export const [pluginGroupPanel, regGroupPanel] =
 
 export interface PluginMessageInterpreter {
   name?: string;
-  explainMessage: (message: string) => React.ReactElement | null;
+  explainMessage: (message: string) => React.ReactNode;
 }
 
 /**