diff --git a/packages-user/data-fallback/src/battle.ts b/packages-user/data-fallback/src/battle.ts
index d43d595..15eceea 100644
--- a/packages-user/data-fallback/src/battle.ts
+++ b/packages-user/data-fallback/src/battle.ts
@@ -133,7 +133,7 @@ export function patchBattle() {
             // const enemy = getSingleEnemy(data.id as EnemyIds);
             // todo: 与不在地图上的怪物战斗
         } else {
-            if (data.floorId != core.status.floorId) {
+            if (data.floorId !== core.status.floorId) {
                 core.doAction();
                 return;
             }
@@ -246,7 +246,7 @@ export function patchBattle() {
             } else core.drawHeroAnimate(animate);
 
             // 如果已有事件正在处理中
-            if (core.status.event.id == null) core.continueAutomaticRoute();
+            if (isNil(core.status.event.id)) core.continueAutomaticRoute();
             else core.clearContinueAutomaticRoute();
 
             core.checkAutoEvents();
diff --git a/packages-user/data-fallback/src/damage.ts b/packages-user/data-fallback/src/damage.ts
index 878d414..debeb84 100644
--- a/packages-user/data-fallback/src/damage.ts
+++ b/packages-user/data-fallback/src/damage.ts
@@ -1,6 +1,7 @@
 import { Patch, PatchClass } from '@motajs/legacy-common';
 import { EnemyCollection, ensureFloorDamage } from '@user/data-state';
 import { formatDamage } from '@user/data-utils';
+import { isNil } from 'lodash-es';
 
 export function patchDamage() {
     const patch = new Patch(PatchClass.Control);
@@ -13,7 +14,7 @@ export function patchDamage() {
         ) {
             if (!floorId || core.status.gameOver || main.mode !== 'play')
                 return;
-            const onMap = ctx == null;
+            const onMap = isNil(ctx);
             const floor = core.status.maps[floorId];
 
             // 没有怪物手册