diff --git a/src/controllers/AccountController.ts b/src/controllers/AccountController.ts
index d0fd7e9..2a7eeb9 100644
--- a/src/controllers/AccountController.ts
+++ b/src/controllers/AccountController.ts
@@ -13,6 +13,7 @@ import {
 import { fetchAccount } from '../dao/AccountDao'
 import { generateId } from '../utils/security.util'
 import { getRandom } from '../utils/number.util'
+import { RobotDao } from '../dao/RobotDao'
 const isProd = process.env.NODE_ENV === 'production'
 const DEFAULT_NICKNAME = '匿名玩家'
 
@@ -72,23 +73,26 @@ export default class AccountController extends BaseController {
     let accountid, targetScore
     if (datas.length > 0) {
       for (let i = 0; i < datas.length; i += 2) {
-        let gameing = await checkGameing(datas[i])
-        if (gameing) {
-          continue
-        }
         if (!datas[i].startsWith(BaseConst.ROBOT_PREFIX)) {
           continue
         }
-        if (!accountSet.has(datas[i])  ) {
-          accountid = datas[i]
-          targetScore = datas[i + 1] | 0
-          break
+        if (accountSet.has(datas[i])) {
+          continue
         }
+        let gameing = new RobotDao().checkGameing(datas[i])
+        if (gameing) {
+          continue
+        }
+        accountid = datas[i]
+        targetScore = datas[i + 1] | 0
+        break
       }
     }
+
     if (!accountid) {
       accountid = BaseConst.ROBOT_PREFIX + generateId()
       targetScore = getRandom(min, max) | 0
+      new RobotDao().setGameing(accountid)
     }
     let account = await fetchAccount({accountid, robot: true})
     if (account.isnew) {
@@ -103,7 +107,6 @@ export default class AccountController extends BaseController {
       account.isnew = 0
       await account.save()
     }
-    await setGameing(accountid, 30)
     return {
       accountid: account._id,
       nickname: account.nickname || DEFAULT_NICKNAME,
diff --git a/src/dao/RobotDao.ts b/src/dao/RobotDao.ts
new file mode 100644
index 0000000..6964adb
--- /dev/null
+++ b/src/dao/RobotDao.ts
@@ -0,0 +1,28 @@
+import { singleton } from '../decorators/singleton.decorator'
+
+const MAX_SEC = 30
+@singleton
+export class RobotDao {
+  accountSet: Map<string, number>
+  constructor() {
+    this.accountSet = new Map()
+  }
+
+  setGameing(key: string) {
+    let now = Date.now() / 1000 | 0
+    this.accountSet.set(key, now)
+  }
+  checkGameing(key: string) {
+    let now = Date.now() / 1000 | 0
+    for(let [key, sec] of this.accountSet) {
+      if (now - sec >= MAX_SEC) {
+        this.accountSet.delete(key)
+      }
+    }
+    let result = this.accountSet.has(key)
+    if (!result) {
+      this.accountSet.set(key, now)
+    }
+    return result
+  }
+}