diff --git a/docs/docs/API-docs/opensign.yaml b/docs/docs/API-docs/opensign.yaml
index 9ef48b611..4f56dfaab 100644
--- a/docs/docs/API-docs/opensign.yaml
+++ b/docs/docs/API-docs/opensign.yaml
@@ -1654,7 +1654,7 @@ components:
           example: document description
         folderId:
           type: string
-          example: "",
+          example: ""
         enableOTP:
           type: boolean
           example: false