diff --git a/src/routes/setting/vendorConfig/addVendor.ts b/src/routes/setting/vendorConfig/addVendor.ts
index b1bfa8f..19797cd 100644
--- a/src/routes/setting/vendorConfig/addVendor.ts
+++ b/src/routes/setting/vendorConfig/addVendor.ts
@@ -81,6 +81,8 @@ export default router.post(
     }
 
     if ((vendor.id as string).includes(":")) return res.status(400).send(error("id不能包含英文冒号"));
+    const data = await u.db("o_vendorConfig").where("id", vendor.id).first();
+    if (data) return res.status(500).send(error("供应商id已存在"));
     await u.db("o_vendorConfig").insert({
       id: vendor.id,
       author: vendor.author,