diff --git a/src/role/base/harvester.ts b/src/role/base/harvester.ts
index ebb8fc2f..51bd6726 100644
--- a/src/role/base/harvester.ts
+++ b/src/role/base/harvester.ts
@@ -226,7 +226,7 @@ const actionStrategy: ActionStrategy = {
       return creep.pos.isEqualTo(targetPos);
     },
     source: (creep, source) => {
-      if (creep.store.getFreeCapacity(RESOURCE_ENERGY) === 0) return true;
+      if (creep.store.getFreeCapacity(RESOURCE_ENERGY) < creep.getActiveBodyparts(WORK) * 2) return true;
 
       creep.getEnergyFrom(source);
 
diff --git a/src/role/remote/depositHarvester.ts b/src/role/remote/depositHarvester.ts
index 740b6c91..c192660d 100644
--- a/src/role/remote/depositHarvester.ts
+++ b/src/role/remote/depositHarvester.ts
@@ -34,7 +34,7 @@ export const depositHarvester: CreepConfig<"depositHarvester"> = {
 
     // 如果采集满了 / 冷却时间太长 / 自己快死了，就往家跑
     if (
-      creep.store.getFreeCapacity(creep.memory.depositType) <= 0 ||
+      creep.store.getFreeCapacity(RESOURCE_ENERGY) < creep.getActiveBodyparts(WORK) * 2 ||
       (targetFlag.memory.depositCooldown >= 100 && !creep.memory.working) ||
       creep.ticksToLive <= targetFlag.memory.travelTime * 2 + 20
     )