diff --git a/src/controllers/RankController.ts b/src/controllers/RankController.ts
index a3384e6..d7b81d4 100644
--- a/src/controllers/RankController.ts
+++ b/src/controllers/RankController.ts
@@ -7,6 +7,7 @@ import {
   getRankNear
 } from '../service/rank'
 import { User } from '../models/User'
+const DEFAULT_NICKNAME = '匿名玩家'
 
 export default class RankController extends BaseController {
 
@@ -28,16 +29,16 @@ export default class RankController extends BaseController {
     let results: any = []
     let i = 0
     for (let aid of accountIds) {
-      const account = accountMap.get(aid)
+      const account = accountMap.get(aid) || {nickname: DEFAULT_NICKNAME}
       results.push({
         rank: start + i ++,
         accountid: aid,
-        nickname: account.nickname,
+        nickname: account.nickname || DEFAULT_NICKNAME,
         avatar: account.avatar,
         score: scoreMap.get(aid)
       })
     }
-    let userRank = await getAccountRank(accountid)
+    let userRank = (await getAccountRank(accountid)) || 999
     // @ts-ignore
     let userScore = (await getAccountScore(accountid)) << 0
     return {
@@ -67,7 +68,7 @@ export default class RankController extends BaseController {
       results.push({
         rank: scoreMap.get(aid).rank,
         accountid: aid,
-        nickname: account.nickname,
+        nickname: account.nickname || DEFAULT_NICKNAME,
         avatar: account.avatar,
         score: scoreMap.get(aid).score
       })