diff --git a/doc/api.md b/doc/api.md
index 8307428..887a7e7 100644
--- a/doc/api.md
+++ b/doc/api.md
@@ -325,4 +325,5 @@
             "next": 1621008900000							// 下一个活动开始时间, 没有该字段或undefined的话, 说明没有即将开始的活动
         }
     }
-```
\ No newline at end of file
+```
+
diff --git a/src/services/GameLogic.ts b/src/services/GameLogic.ts
index 91b89fa..06b9658 100644
--- a/src/services/GameLogic.ts
+++ b/src/services/GameLogic.ts
@@ -166,7 +166,7 @@ export async function updateExamRank({shop, level, accountId, score, session, mo
   score: number,
   mode: number,
   session: string}) {
-    const totalKey = rankKey(shop, 'exam', mode)
+    const totalKey = rankKey(shop, level, mode)
     await updateRank(accountId, score, totalKey)
   }