diff --git a/src/onebot11/action/go-cqhttp/DownloadFile.ts b/src/onebot11/action/go-cqhttp/DownloadFile.ts
index d94a866..c157dfd 100644
--- a/src/onebot11/action/go-cqhttp/DownloadFile.ts
+++ b/src/onebot11/action/go-cqhttp/DownloadFile.ts
@@ -23,8 +23,8 @@ interface FileResponse {
 export class DownloadFile extends BaseAction<Payload, FileResponse> {
   actionName = ActionName.GoCQHTTP_DownloadFile
   payloadSchema = Schema.object({
-    url: String,
-    base64: String,
+    url: Schema.string(),
+    base64: Schema.string(),
     headers: Schema.union([String, Schema.array(String)])
   })