diff --git a/game-server/app/servers/battle/handler/comBattleHandler.ts b/game-server/app/servers/battle/handler/comBattleHandler.ts
index 693755482..a39d92683 100644
--- a/game-server/app/servers/battle/handler/comBattleHandler.ts
+++ b/game-server/app/servers/battle/handler/comBattleHandler.ts
@@ -10,7 +10,7 @@ import { IT_TYPE, CURRENCY_BY_TYPE, CURRENCY_TYPE, COM_TEAM_STATUS, COM_BTL_CONS
 import Role, { RoleModel } from '../../../db/Role';
 import { STATUS } from '../../../consts/statusCode';
 import { Application, BackendSession } from 'pinus';
-import { resResult, getRandSingleEelm } from '../../../pubUtils/util';
+import { resResult, getRandSingleEelm, cal } from '../../../pubUtils/util';
 import { RoleStatus, ComBattleTeamModel, ComBattleTeamType, BossHp, ComRoleStatusHero } from '../../../db/ComBattleTeam';
 import { ItemModel, ItemType } from '../../../db/Item';
 import { addItems, handleCost } from '../../../services/rewardService';
@@ -493,11 +493,11 @@ export class ComBattleHandler {
                     let deltaHp = Math.abs(bh.hurtHp);
                     if (boss.curHp >= deltaHp) {
                         actBossHurts.push({dataId: boss.dataId, hurtHp: deltaHp});
-                        totalHurtHp += deltaHp;
-                        boss.curHp -= deltaHp;
+                        totalHurtHp = cal.add(totalHurtHp, deltaHp);
+                        boss.curHp = cal.sub(boss.curHp, deltaHp);
                     } else if (boss.curHp > 0) {
                         actBossHurts.push({dataId: boss.dataId, hurtHp: boss.curHp});
-                        totalHurtHp += boss.curHp;
+                        totalHurtHp = cal.add(totalHurtHp, boss.curHp);
                         boss.curHp = 0;
                     }
                 }
@@ -505,13 +505,13 @@ export class ComBattleHandler {
         });
         // 更新玩家武将阵亡情况，计算玩家总伤害
         const roleSt = teamStatus.roleStatus.find(st => st.roleId === roleId);
-        roleSt.totalDmg += totalHurtHp;
+        roleSt.totalDmg = cal.add(roleSt.totalDmg, totalHurtHp);
         if (killed && killed.length) {
             roleSt.killed = Array.from(new Set([...roleSt.killed, ...killed]));
         }
 
         teamStatus.curRnd = curRnd;
-        teamStatus.bossCurHp -= totalHurtHp;
+        teamStatus.bossCurHp = cal.sub(teamStatus.bossCurHp, totalHurtHp);
         if (teamStatus.bossCurHp < 0) teamStatus.bossCurHp = 0;
         // 推送本次行动情况
         let channelService = this.app.get('channelService');