diff --git a/src/controllers/AccountController.ts b/src/controllers/AccountController.ts
index 8802a89..d0fd7e9 100644
--- a/src/controllers/AccountController.ts
+++ b/src/controllers/AccountController.ts
@@ -14,6 +14,7 @@ import { fetchAccount } from '../dao/AccountDao'
 import { generateId } from '../utils/security.util'
 import { getRandom } from '../utils/number.util'
 const isProd = process.env.NODE_ENV === 'production'
+const DEFAULT_NICKNAME = '匿名玩家'
 
 export default class AccountController extends BaseController {
   @role('anon')
@@ -56,7 +57,7 @@ export default class AccountController extends BaseController {
     }
     return {
       accountid: account._id,
-      nickname: account.nickname,
+      nickname: account.nickname || DEFAULT_NICKNAME,
       avatar: account.avatar,
       score: account.season_score,
       heros: [...account.heros.keys()]
@@ -105,7 +106,7 @@ export default class AccountController extends BaseController {
     await setGameing(accountid, 30)
     return {
       accountid: account._id,
-      nickname: account.nickname,
+      nickname: account.nickname || DEFAULT_NICKNAME,
       avatar: account.avatar,
       score: account.season_score
     }