diff --git a/payapi-spec/definitions.yaml b/payapi-spec/definitions.yaml
index d45a0d7..4ca2848 100644
--- a/payapi-spec/definitions.yaml
+++ b/payapi-spec/definitions.yaml
@@ -1,7 +1,7 @@
 components:
   headers:
     TenantId:
-      name: X-Tenant-Id
+      name: X-TENANT-ID
       in: header
       description: 租户ID
       required: true