diff --git a/baas/router/table.js b/baas/router/table.js
index 3a27fc26e6aa77fdd5d044241b3e462978d23262..56f466b3430277ea97b1151b46354dae603e5698 100644
--- a/baas/router/table.js
+++ b/baas/router/table.js
@@ -82,7 +82,7 @@ router.post(
                   withRedisKey: `fetch|fetchAll|fetchPage:class:${className}:table:${table}:url:${
                     ctx.url
                   }:header:${JSON.stringify(ctx.headers)}:unique:${
-                    uniques[key]
+                    fields[uniques[key]]
                   }`
                 });