diff --git a/src/query-config.ts b/src/query-config.ts
index b581af6..70933ef 100644
--- a/src/query-config.ts
+++ b/src/query-config.ts
@@ -81,6 +81,12 @@ export class QueryConfig {
       key: 'detect',
     });
   }
+  async getConfigByKey(key: string) {
+    return this.post<Result<Config>>({
+      key: 'defaultConfig',
+      configKey: key,
+    });
+  }
 }
 
 /**