diff --git a/src/constant/err.type.js b/src/constant/err.type.js
index 210512a..f18c056 100644
--- a/src/constant/err.type.js
+++ b/src/constant/err.type.js
@@ -13,4 +13,7 @@ module.exports = {
   noAdminPermission: Response("40003", "没有超级管理员权限"),
   houseNameAlreadyExisted: Response("50001", "鸡厂名称已存在"),
   coopNameAlreadyExisted: Response("50002", "鸡舍名称重复"),
+  varietyNameAlreadyExisted: Response("50003", "鸡苗品种名称重复"),
+  varietyReasonNameAlreadyExisted: Response("50004", "死亡原因名称重复"),
+  factoryNameAlreadyExisted: Response("50005", "鸡苗厂家名称重复"),
 };
diff --git a/src/controller/reason.controller.js b/src/controller/reason.controller.js
index 788e74d..0a72c3d 100644
--- a/src/controller/reason.controller.js
+++ b/src/controller/reason.controller.js
@@ -4,7 +4,6 @@ const {
   addDieReason,
 } = require("../service/reason.service");
 const Response = require("../utils/response");
-
 class ReasonController {
   async list(ctx, next) {
     const res = await getAllReason();
diff --git a/src/db/seq.js b/src/db/seq.js
index b447ac3..301aee8 100644
--- a/src/db/seq.js
+++ b/src/db/seq.js
@@ -1,5 +1,10 @@
 const { Sequelize } = require("sequelize");
 
+// Sequelize 支持两种使用事务的方式：
+
+// 非托管事务:  提交和回滚事务应该手动完成(通过调用适当的 Sequelize 方法)
+// 托管事务: 如果抛出任何错误, Sequelize 将会自动回滚事务, 否则将提交事务, 另外,如果启用了CLS(连续本地存储), 则事务回调中的所有查询将自动接收事务对象
+
 const {
   MYSQL_HOST,
   MYSQL_PORT,
diff --git a/src/middleware/factory.middleware.js b/src/middleware/factory.middleware.js
new file mode 100644
index 0000000..3894f27
--- /dev/null
+++ b/src/middleware/factory.middleware.js
@@ -0,0 +1,15 @@
+const { getFactoryByName } = require("../service/factory.service");
+const { factoryNameAlreadyExisted } = require("../constant/err.type");
+
+const verifyFactoryExisted = async (ctx, next) => {
+  const { factory_name } = ctx.request.body;
+  if (await getFactoryByName(factory_name)) {
+    ctx.app.emit("error", factoryNameAlreadyExisted, ctx);
+    return;
+  }
+  await next();
+};
+
+module.exports = {
+  verifyFactoryExisted,
+};
diff --git a/src/middleware/reason.middleware.js b/src/middleware/reason.middleware.js
new file mode 100644
index 0000000..d668b64
--- /dev/null
+++ b/src/middleware/reason.middleware.js
@@ -0,0 +1,15 @@
+const { getReasonByName } = require("../service/reason.service");
+const { varietyReasonNameAlreadyExisted } = require("../constant/err.type");
+
+const verifyReasonExisted = async (ctx, next) => {
+  const { reason_name } = ctx.request.body;
+  if (await getReasonByName(reason_name)) {
+    ctx.app.emit("error", varietyReasonNameAlreadyExisted, ctx);
+    return;
+  }
+  await next();
+};
+
+module.exports = {
+  verifyReasonExisted,
+};
diff --git a/src/middleware/variety.middleware.js b/src/middleware/variety.middleware.js
new file mode 100644
index 0000000..94e21fa
--- /dev/null
+++ b/src/middleware/variety.middleware.js
@@ -0,0 +1,15 @@
+const { getVarietyByName } = require("../service/variety.service");
+const { varietyNameAlreadyExisted } = require("../constant/err.type");
+
+const verifyVarietyExisted = async (ctx, next) => {
+  const { variety_name } = ctx.request.body;
+  if (await getVarietyByName(variety_name)) {
+    ctx.app.emit("error", varietyNameAlreadyExisted, ctx);
+    return;
+  }
+  await next();
+};
+
+module.exports = {
+  verifyVarietyExisted,
+};
diff --git a/src/model/coop.model.js b/src/model/coop.model.js
index 28c3110..4209f17 100644
--- a/src/model/coop.model.js
+++ b/src/model/coop.model.js
@@ -24,6 +24,12 @@ const Coop = seq.define("chicken_coop", {
     allowNull: false,
     comment: "所属鸡场id, 相当于外键",
   },
+  is_empty: {
+    type: DataTypes.BOOLEAN,
+    allowNull: false,
+    defaultValue: 1,
+    comment: "是否为空舍，1为空，0为非空",
+  },
 });
 
 // 强制同步数据库(创建数据表)
diff --git a/src/router/factory.route.js b/src/router/factory.route.js
index ab6692d..d85eca4 100644
--- a/src/router/factory.route.js
+++ b/src/router/factory.route.js
@@ -3,11 +3,12 @@ const Router = require("koa-router");
 const router = new Router({ prefix: "/factory" });
 
 const { auth, hasAdminPermission } = require("../middleware/auth.middleware");
+const { verifyFactoryExisted } = require("../middleware/factory.middleware");
 const { list, add, deleteItem } = require("../controller/factory.controller");
 
 router.get("/list", auth, list);
 
-router.post("/add", auth, hasAdminPermission, add);
+router.post("/add", auth, hasAdminPermission, verifyFactoryExisted, add);
 
 router.post("/del", auth, hasAdminPermission, deleteItem);
 
diff --git a/src/router/reason.route.js b/src/router/reason.route.js
index 0f5d861..7183f63 100644
--- a/src/router/reason.route.js
+++ b/src/router/reason.route.js
@@ -4,10 +4,11 @@ const router = new Router({ prefix: "/reason" });
 
 const { auth, hasAdminPermission } = require("../middleware/auth.middleware");
 const { list, add, deleteItem } = require("../controller/reason.controller");
+const { verifyReasonExisted } = require("../middleware/reason.middleware");
 
 router.get("/list", auth, list);
 
-router.post("/add", auth, hasAdminPermission, add);
+router.post("/add", auth, hasAdminPermission, verifyReasonExisted, add);
 
 router.post("/del", auth, hasAdminPermission, deleteItem);
 
diff --git a/src/router/variety.route.js b/src/router/variety.route.js
index b32f8f0..f6a3264 100644
--- a/src/router/variety.route.js
+++ b/src/router/variety.route.js
@@ -3,11 +3,12 @@ const Router = require("koa-router");
 const router = new Router({ prefix: "/variety" });
 
 const { auth, hasAdminPermission } = require("../middleware/auth.middleware");
+const { verifyVarietyExisted } = require("../middleware/variety.middleware");
 const { list, add, deleteItem } = require("../controller/variety.controller");
 
 router.get("/list", auth, list);
 
-router.post("/add", auth, hasAdminPermission, add);
+router.post("/add", auth, hasAdminPermission, verifyVarietyExisted, add);
 
 router.post("/del", auth, hasAdminPermission, deleteItem);
 
diff --git a/src/service/chicken.service.js b/src/service/chicken.service.js
index 1054e91..f9960ba 100644
--- a/src/service/chicken.service.js
+++ b/src/service/chicken.service.js
@@ -8,7 +8,10 @@ const {
 const { getHouseById } = require("./house.service");
 const { getFactoryById } = require("./factory.service");
 const { getVarietyById } = require("./variety.service");
-const { getBatchCoopByIds } = require("./coop.service");
+const {
+  getBatchCoopByIds,
+  batchUpdateCoopStatusByIds,
+} = require("./coop.service");
 const { getAccountInfo } = require("./account.service");
 const { getTotalFeedingByCoopId } = require("./feeding.service");
 const { Op, Sequelize } = require("sequelize");
@@ -41,6 +44,8 @@ class ChickenService {
       batch_number,
       real_life_init_time,
     });
+    // 新进鸡苗后需要将进入的鸡舍状态变为非空舍
+    const coopRes = await batchUpdateCoopStatusByIds(coop_id, 0);
     return res ? res.dataValues : null;
   }
 
diff --git a/src/service/coop.service.js b/src/service/coop.service.js
index 82cbb4a..f2e6246 100644
--- a/src/service/coop.service.js
+++ b/src/service/coop.service.js
@@ -61,6 +61,22 @@ class CoopService {
     return arr;
   }
 
+  async batchUpdateCoopStatusByIds(ids, status) {
+    const res = await Coop.update(
+      {
+        is_empty: status,
+      },
+      {
+        where: {
+          id: {
+            [Op.in]: ids,
+          },
+        },
+      }
+    );
+    return res;
+  }
+
   async updateCoop(coop_name, coop_cage_number, chicken_number, house_id, id) {
     const res = await Coop.update(
       {
diff --git a/src/service/factory.service.js b/src/service/factory.service.js
index face72a..0973dfa 100644
--- a/src/service/factory.service.js
+++ b/src/service/factory.service.js
@@ -23,6 +23,15 @@ class FactoryService {
     return res?.dataValues;
   }
 
+  async getFactoryByName(factory_name) {
+    const whereOpt = {};
+    factory_name && Object.assign(whereOpt, { factory_name });
+    const res = await Factory.findOne({
+      where: whereOpt,
+    });
+    return res ? res.dataValues : null;
+  }
+
   async deleteFactoryById(id) {
     const res = await Factory.destroy({
       where: {
diff --git a/src/service/reason.service.js b/src/service/reason.service.js
index 479fbe1..04c7292 100644
--- a/src/service/reason.service.js
+++ b/src/service/reason.service.js
@@ -22,6 +22,15 @@ class ReasonService {
     return res?.dataValues;
   }
 
+  async getReasonByName(reason_name) {
+    const whereOpt = {};
+    reason_name && Object.assign(whereOpt, { reason_name });
+    const res = await Reason.findOne({
+      where: whereOpt,
+    });
+    return res ? res.dataValues : null;
+  }
+
   async deleteReasonById(id) {
     const res = await Reason.destroy({
       where: {
diff --git a/src/service/variety.service.js b/src/service/variety.service.js
index 94f1fe0..e95ec80 100644
--- a/src/service/variety.service.js
+++ b/src/service/variety.service.js
@@ -15,6 +15,15 @@ class VarietyService {
     return res ? res.dataValues : null;
   }
 
+  async getVarietyByName(variety_name) {
+    const whereOpt = {};
+    variety_name && Object.assign(whereOpt, { variety_name });
+    const res = await Variety.findOne({
+      where: whereOpt,
+    });
+    return res ? res.dataValues : null;
+  }
+
   async addVariety(variety_name) {
     const res = await Variety.create({
       variety_name,