diff --git a/api/service/admin.go b/api/service/admin.go
index 1f6a083..c51ca63 100644
--- a/api/service/admin.go
+++ b/api/service/admin.go
@@ -87,7 +87,7 @@ func (a *AdminService) GetOssSign(getOssSignRequest requests.GetOssSign) (*aliyu
 			dir = dir + "cert/"
 		} else if getOssSignRequest.Scene == 3 {
 			dir = dir + "card/"
-		} else if getOssSignRequest.Scene == 3 {
+		} else if getOssSignRequest.Scene == 4 {
 			dir = dir + "article/"
 		}
 	}