diff --git a/packages/hydrooj/src/interface.ts b/packages/hydrooj/src/interface.ts
index ae614a253..83962c39d 100644
--- a/packages/hydrooj/src/interface.ts
+++ b/packages/hydrooj/src/interface.ts
@@ -345,7 +345,7 @@ export interface RecordStatDoc {
     uid: number;
     time: number;
     memory: number;
-    code: number;
+    length: number;
     lang: string;
 }
 export interface JudgeMeta {