diff --git a/game-server/app/servers/battle/handler/dailyBattleHandler.ts b/game-server/app/servers/battle/handler/dailyBattleHandler.ts
index cb2258267..ab8726139 100644
--- a/game-server/app/servers/battle/handler/dailyBattleHandler.ts
+++ b/game-server/app/servers/battle/handler/dailyBattleHandler.ts
@@ -66,7 +66,7 @@ export class DailyBattleHandler {
     // 购买每日次数
     async buyNum(msg: { type: number, count: number }, session: BackendSession) {
         let {type, count} = msg;
-        if(count < 0) return resResult(STATUS.WRONG_PARMS);
+        if( !count || count < 0) return resResult(STATUS.WRONG_PARMS);
         const roleId = session.get('roleId');
         const sid = session.get('sid');
 
diff --git a/game-server/app/servers/battle/handler/dungeonBattleHandler.ts b/game-server/app/servers/battle/handler/dungeonBattleHandler.ts
index 9bc5a3693..e93591d58 100644
--- a/game-server/app/servers/battle/handler/dungeonBattleHandler.ts
+++ b/game-server/app/servers/battle/handler/dungeonBattleHandler.ts
@@ -35,7 +35,7 @@ export class DungeonBattleHandler {
     // 购买每日次数
     async buyNum(msg: { count: number }, session: BackendSession) {
         let { count } = msg;
-        if(count < 0) return resResult(STATUS.WRONG_PARMS);
+        if( !count || count < 0) return resResult(STATUS.WRONG_PARMS);
         const roleId = session.get('roleId');
         const sid = session.get('sid');
 
diff --git a/game-server/config/clientProtos.ts b/game-server/config/clientProtos.ts
index 7bf2c87ec..6086a7337 100644
--- a/game-server/config/clientProtos.ts
+++ b/game-server/config/clientProtos.ts
@@ -168,5 +168,11 @@ module.exports = {
     "battle.normalBattleHandler.checkBattle": {
         "required uInt32 battleId": 1,
         "repeated uInt32 heroes": 2
+    },
+    "battle.dungeonBattleHandler.buyNum": {
+        "required uInt32 count": 1
+    },
+    "battle.dailyBattleHandler.buyNum": {
+        "required uInt32 count": 1
     }
 }
\ No newline at end of file