diff --git a/add_fields.js b/add_fields.js
new file mode 100644
index 0000000..079ba71
--- /dev/null
+++ b/add_fields.js
@@ -0,0 +1,53 @@
+const mysql = require('mysql2/promise');
+
+async function addFields() {
+  try {
+    // 连接到数据库
+    const connection = await mysql.createConnection({
+      host: '8.152.207.41',
+      user: 'rentease',
+      password: 'Wxx@123!',
+      database: 'rentease'
+    });
+
+    console.log('成功连接到数据库');
+
+    // 检查 subStatus 字段是否存在
+    const [subStatusResult] = await connection.query(`
+      SHOW COLUMNS FROM rooms LIKE 'subStatus'
+    `);
+
+    // 如果 subStatus 字段不存在，则添加
+    if (subStatusResult.length === 0) {
+      await connection.query(`
+        ALTER TABLE rooms ADD COLUMN subStatus ENUM('normal', 'soon_expire', 'expired') NOT NULL DEFAULT 'normal'
+      `);
+      console.log('添加 subStatus 字段成功');
+    } else {
+      console.log('subStatus 字段已存在');
+    }
+
+    // 检查 otherStatus 字段是否存在
+    const [otherStatusResult] = await connection.query(`
+      SHOW COLUMNS FROM rooms LIKE 'otherStatus'
+    `);
+
+    // 如果 otherStatus 字段不存在，则添加
+    if (otherStatusResult.length === 0) {
+      await connection.query(`
+        ALTER TABLE rooms ADD COLUMN otherStatus ENUM('', 'cleaning', 'maintenance') NOT NULL DEFAULT ''
+      `);
+      console.log('添加 otherStatus 字段成功');
+    } else {
+      console.log('otherStatus 字段已存在');
+    }
+
+    // 关闭连接
+    await connection.end();
+    console.log('数据库连接已关闭');
+  } catch (error) {
+    console.error('添加字段时出错:', error);
+  }
+}
+
+addFields();
\ No newline at end of file
diff --git a/add_fields.sql b/add_fields.sql
new file mode 100644
index 0000000..062ee75
--- /dev/null
+++ b/add_fields.sql
@@ -0,0 +1,31 @@
+-- 为 rooms 表添加字段
+ALTER TABLE rooms ADD COLUMN updateTime DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP;
+ALTER TABLE rooms ADD COLUMN isDeleted INT NOT NULL DEFAULT 0;
+
+-- 为 tenants 表添加字段
+ALTER TABLE tenants ADD COLUMN updateTime DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP;
+ALTER TABLE tenants ADD COLUMN isDeleted INT NOT NULL DEFAULT 0;
+
+-- 为 regions 表添加字段
+ALTER TABLE regions ADD COLUMN updateTime DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP;
+ALTER TABLE regions ADD COLUMN isDeleted INT NOT NULL DEFAULT 0;
+
+-- 为 apartments 表添加字段
+ALTER TABLE apartments ADD COLUMN updateTime DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP;
+ALTER TABLE apartments ADD COLUMN isDeleted INT NOT NULL DEFAULT 0;
+
+-- 为 contracts 表添加字段
+ALTER TABLE contracts ADD COLUMN updateTime DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP;
+ALTER TABLE contracts ADD COLUMN isDeleted INT NOT NULL DEFAULT 0;
+
+-- 为 rentals 表添加字段
+ALTER TABLE rentals ADD COLUMN updateTime DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP;
+ALTER TABLE rentals ADD COLUMN isDeleted INT NOT NULL DEFAULT 0;
+
+-- 为 water_bills 表添加字段
+ALTER TABLE water_bills ADD COLUMN updateTime DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP;
+ALTER TABLE water_bills ADD COLUMN isDeleted INT NOT NULL DEFAULT 0;
+
+-- 为 electricity_bills 表添加字段
+ALTER TABLE electricity_bills ADD COLUMN updateTime DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP;
+ALTER TABLE electricity_bills ADD COLUMN isDeleted INT NOT NULL DEFAULT 0;
\ No newline at end of file
diff --git a/config/db.js b/config/db.js
index cc20c7a..7b07715 100644
--- a/config/db.js
+++ b/config/db.js
@@ -6,7 +6,7 @@ const createDatabase = async () => {
   try {
     // 连接到MySQL服务器
     const connection = await mysql.createConnection({
-      host: 'localhost',
+      host: '8.152.207.41',
       user: 'rentease',
       password: 'Wxx@123!'
     });
@@ -28,7 +28,7 @@ const sequelize = new Sequelize(
   'rentease', // 用户名
   'Wxx@123!', // 密码
   {
-    host: 'localhost',
+    host: '8.152.207.41',
     dialect: 'mysql',
     logging: false,
     timezone: '+08:00'
@@ -45,7 +45,7 @@ const testConnection = async () => {
       'rentease', // 用户名
       'Wxx@123!', // 密码
       {
-        host: 'localhost',
+        host: '8.152.207.41',
         dialect: 'mysql',
         logging: false,
         timezone: '+08:00'
diff --git a/controllers/apartmentController.js b/controllers/apartmentController.js
index d35e46a..19fa133 100644
--- a/controllers/apartmentController.js
+++ b/controllers/apartmentController.js
@@ -13,14 +13,16 @@ const formatDate = (date) => {
 const formatApartmentData = (apartment) => {
   const formattedApartment = {
     ...apartment.toJSON(),
-    createTime: formatDate(apartment.createTime)
+    createTime: formatDate(apartment.createTime),
+    updateTime: formatDate(apartment.updateTime)
   };
   
   // 格式化关联数据
   if (formattedApartment.Region) {
     formattedApartment.Region = {
       ...formattedApartment.Region,
-      createTime: formatDate(formattedApartment.Region.createTime)
+      createTime: formatDate(formattedApartment.Region.createTime),
+      updateTime: formatDate(formattedApartment.Region.updateTime)
     };
   }
   
@@ -33,7 +35,7 @@ const getAllApartments = async (req, res) => {
     const { regionId, name, page = 1, pageSize = 10 } = req.query;
     
     // 构建查询条件
-    const where = {};
+    const where = { isDeleted: 0 };
     if (regionId) {
       where.regionId = regionId;
     }
@@ -73,7 +75,8 @@ const getAllApartments = async (req, res) => {
 const getApartmentById = async (req, res) => {
   try {
     const { id } = req.params;
-    const apartment = await Apartment.findByPk(id, {
+    const apartment = await Apartment.findOne({
+      where: { id, isDeleted: 0 },
       include: [Region]
     });
     if (!apartment) {
@@ -102,7 +105,9 @@ const updateApartment = async (req, res) => {
   try {
     const { id } = req.params;
     const { regionId, name, address } = req.body;
-    const apartment = await Apartment.findByPk(id);
+    const apartment = await Apartment.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!apartment) {
       return res.status(404).json({ error: '公寓不存在' });
     }
@@ -113,15 +118,17 @@ const updateApartment = async (req, res) => {
   }
 };
 
-// 删除公寓
+// 删除公寓（软删除）
 const deleteApartment = async (req, res) => {
   try {
     const { id } = req.params;
-    const apartment = await Apartment.findByPk(id);
+    const apartment = await Apartment.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!apartment) {
       return res.status(404).json({ error: '公寓不存在' });
     }
-    await apartment.destroy();
+    await apartment.update({ isDeleted: 1 });
     res.status(200).json({ message: '公寓删除成功' });
   } catch (error) {
     res.status(500).json({ error: error.message });
diff --git a/controllers/contractController.js b/controllers/contractController.js
index 21e3eb0..249048e 100644
--- a/controllers/contractController.js
+++ b/controllers/contractController.js
@@ -14,26 +14,30 @@ const formatContractData = (contract) => {
     ...contract.toJSON(),
     startDate: formatDate(contract.startDate),
     endDate: formatDate(contract.endDate),
-    createTime: formatDate(contract.createTime)
+    createTime: formatDate(contract.createTime),
+    updateTime: formatDate(contract.updateTime)
   };
   
   // 格式化关联数据
   if (formattedContract.Room) {
     formattedContract.Room = {
       ...formattedContract.Room,
-      createTime: formatDate(formattedContract.Room.createTime)
+      createTime: formatDate(formattedContract.Room.createTime),
+      updateTime: formatDate(formattedContract.Room.updateTime)
     };
     
     if (formattedContract.Room.Apartment) {
       formattedContract.Room.Apartment = {
         ...formattedContract.Room.Apartment,
-        createTime: formatDate(formattedContract.Room.Apartment.createTime)
+        createTime: formatDate(formattedContract.Room.Apartment.createTime),
+        updateTime: formatDate(formattedContract.Room.Apartment.updateTime)
       };
       
       if (formattedContract.Room.Apartment.Region) {
         formattedContract.Room.Apartment.Region = {
           ...formattedContract.Room.Apartment.Region,
-          createTime: formatDate(formattedContract.Room.Apartment.Region.createTime)
+          createTime: formatDate(formattedContract.Room.Apartment.Region.createTime),
+          updateTime: formatDate(formattedContract.Room.Apartment.Region.updateTime)
         };
       }
     }
@@ -42,7 +46,8 @@ const formatContractData = (contract) => {
   if (formattedContract.Tenant) {
     formattedContract.Tenant = {
       ...formattedContract.Tenant,
-      createTime: formatDate(formattedContract.Tenant.createTime)
+      createTime: formatDate(formattedContract.Tenant.createTime),
+      updateTime: formatDate(formattedContract.Tenant.updateTime)
     };
   }
   
@@ -53,17 +58,28 @@ const formatContractData = (contract) => {
 const getAllContracts = async (req, res) => {
   try {
     const contracts = await Contract.findAll({
+      where: { isDeleted: 0 },
       include: [
         {
           model: Room,
+          where: { isDeleted: 0 },
           include: [
             {
               model: Apartment,
-              include: [Region]
+              where: { isDeleted: 0 },
+              include: [
+                {
+                  model: Region,
+                  where: { isDeleted: 0 }
+                }
+              ]
             }
           ]
         },
-        Tenant
+        {
+          model: Tenant,
+          where: { isDeleted: 0 }
+        }
       ]
     });
     const formattedContracts = contracts.map(formatContractData);
@@ -77,18 +93,29 @@ const getAllContracts = async (req, res) => {
 const getContractById = async (req, res) => {
   try {
     const { id } = req.params;
-    const contract = await Contract.findByPk(id, {
+    const contract = await Contract.findOne({
+      where: { id, isDeleted: 0 },
       include: [
         {
           model: Room,
+          where: { isDeleted: 0 },
           include: [
             {
               model: Apartment,
-              include: [Region]
+              where: { isDeleted: 0 },
+              include: [
+                {
+                  model: Region,
+                  where: { isDeleted: 0 }
+                }
+              ]
             }
           ]
         },
-        Tenant
+        {
+          model: Tenant,
+          where: { isDeleted: 0 }
+        }
       ]
     });
     if (!contract) {
@@ -117,7 +144,9 @@ const updateContract = async (req, res) => {
   try {
     const { id } = req.params;
     const { roomId, tenantId, startDate, endDate, rent, deposit, status } = req.body;
-    const contract = await Contract.findByPk(id);
+    const contract = await Contract.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!contract) {
       return res.status(404).json({ error: '合同不存在' });
     }
@@ -128,15 +157,17 @@ const updateContract = async (req, res) => {
   }
 };
 
-// 删除合同
+// 删除合同（软删除）
 const deleteContract = async (req, res) => {
   try {
     const { id } = req.params;
-    const contract = await Contract.findByPk(id);
+    const contract = await Contract.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!contract) {
       return res.status(404).json({ error: '合同不存在' });
     }
-    await contract.destroy();
+    await contract.update({ isDeleted: 1 });
     res.status(200).json({ message: '合同删除成功' });
   } catch (error) {
     res.status(500).json({ error: error.message });
diff --git a/controllers/electricityBillController.js b/controllers/electricityBillController.js
index 675c392..1b4fc09 100644
--- a/controllers/electricityBillController.js
+++ b/controllers/electricityBillController.js
@@ -15,14 +15,16 @@ const formatElectricityBillData = (bill) => {
     ...bill.toJSON(),
     startDate: formatDate(bill.startDate),
     endDate: formatDate(bill.endDate),
-    createTime: formatDate(bill.createTime)
+    createTime: formatDate(bill.createTime),
+    updateTime: formatDate(bill.updateTime)
   };
   
   // 格式化关联数据
   if (formattedBill.Room) {
     formattedBill.Room = {
       ...formattedBill.Room,
-      createTime: formatDate(formattedBill.Room.createTime)
+      createTime: formatDate(formattedBill.Room.createTime),
+      updateTime: formatDate(formattedBill.Room.updateTime)
     };
   }
   
@@ -35,7 +37,7 @@ const getAllElectricityBills = async (req, res) => {
     const { roomId, status, startDate, endDate, page = 1, pageSize = 10 } = req.query;
     
     // 构建查询条件
-    const where = {};
+    const where = { isDeleted: 0 };
     if (roomId) {
       where.roomId = roomId;
     }
@@ -55,7 +57,12 @@ const getAllElectricityBills = async (req, res) => {
     // 查询电费数据
     const { count, rows } = await ElectricityBill.findAndCountAll({
       where,
-      include: [Room],
+      include: [
+        {
+          model: Room,
+          where: { isDeleted: 0 }
+        }
+      ],
       limit: parseInt(pageSize),
       offset: parseInt(offset)
     });
@@ -79,8 +86,14 @@ const getAllElectricityBills = async (req, res) => {
 const getElectricityBillById = async (req, res) => {
   try {
     const { id } = req.params;
-    const bill = await ElectricityBill.findByPk(id, {
-      include: [Room]
+    const bill = await ElectricityBill.findOne({
+      where: { id, isDeleted: 0 },
+      include: [
+        {
+          model: Room,
+          where: { isDeleted: 0 }
+        }
+      ]
     });
     if (!bill) {
       return res.status(404).json({ error: '电费记录不存在' });
@@ -125,7 +138,9 @@ const updateElectricityBill = async (req, res) => {
     const { id } = req.params;
     const { startDate, endDate, startReading, endReading, unitPrice, status } = req.body;
     
-    const bill = await ElectricityBill.findByPk(id);
+    const bill = await ElectricityBill.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!bill) {
       return res.status(404).json({ error: '电费记录不存在' });
     }
@@ -156,15 +171,17 @@ const updateElectricityBill = async (req, res) => {
   }
 };
 
-// 删除电费记录
+// 删除电费记录（软删除）
 const deleteElectricityBill = async (req, res) => {
   try {
     const { id } = req.params;
-    const bill = await ElectricityBill.findByPk(id);
+    const bill = await ElectricityBill.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!bill) {
       return res.status(404).json({ error: '电费记录不存在' });
     }
-    await bill.destroy();
+    await bill.update({ isDeleted: 1 });
     res.status(200).json({ message: '电费记录删除成功' });
   } catch (error) {
     res.status(500).json({ error: error.message });
diff --git a/controllers/regionController.js b/controllers/regionController.js
index 8518eb3..0b0e1f4 100644
--- a/controllers/regionController.js
+++ b/controllers/regionController.js
@@ -12,14 +12,17 @@ const formatDate = (date) => {
 const formatRegionData = (region) => {
   return {
     ...region.toJSON(),
-    createTime: formatDate(region.createTime)
+    createTime: formatDate(region.createTime),
+    updateTime: formatDate(region.updateTime)
   };
 };
 
 // 获取所有区域
 const getAllRegions = async (req, res) => {
   try {
-    const regions = await Region.findAll();
+    const regions = await Region.findAll({
+      where: { isDeleted: 0 }
+    });
     const formattedRegions = regions.map(formatRegionData);
     res.status(200).json(formattedRegions);
   } catch (error) {
@@ -31,7 +34,9 @@ const getAllRegions = async (req, res) => {
 const getRegionById = async (req, res) => {
   try {
     const { id } = req.params;
-    const region = await Region.findByPk(id);
+    const region = await Region.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!region) {
       return res.status(404).json({ error: '区域不存在' });
     }
@@ -58,7 +63,9 @@ const updateRegion = async (req, res) => {
   try {
     const { id } = req.params;
     const { name, description } = req.body;
-    const region = await Region.findByPk(id);
+    const region = await Region.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!region) {
       return res.status(404).json({ error: '区域不存在' });
     }
@@ -69,15 +76,17 @@ const updateRegion = async (req, res) => {
   }
 };
 
-// 删除区域
+// 删除区域（软删除）
 const deleteRegion = async (req, res) => {
   try {
     const { id } = req.params;
-    const region = await Region.findByPk(id);
+    const region = await Region.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!region) {
       return res.status(404).json({ error: '区域不存在' });
     }
-    await region.destroy();
+    await region.update({ isDeleted: 1 });
     res.status(200).json({ message: '区域删除成功' });
   } catch (error) {
     res.status(500).json({ error: error.message });
diff --git a/controllers/rentalController.js b/controllers/rentalController.js
index a852e83..d49a4e1 100644
--- a/controllers/rentalController.js
+++ b/controllers/rentalController.js
@@ -15,7 +15,8 @@ const formatRentalData = (rental) => {
     ...rental.toJSON(),
     startDate: formatDate(rental.startDate),
     endDate: formatDate(rental.endDate),
-    createTime: formatDate(rental.createTime)
+    createTime: formatDate(rental.createTime),
+    updateTime: formatDate(rental.updateTime)
   };
   
   // 格式化关联数据
@@ -24,7 +25,8 @@ const formatRentalData = (rental) => {
       ...formattedRental.Contract,
       startDate: formatDate(formattedRental.Contract.startDate),
       endDate: formatDate(formattedRental.Contract.endDate),
-      createTime: formatDate(formattedRental.Contract.createTime)
+      createTime: formatDate(formattedRental.Contract.createTime),
+      updateTime: formatDate(formattedRental.Contract.updateTime)
     };
   }
   
@@ -42,8 +44,13 @@ const checkAndUpdateRentalStatus = async () => {
     
     // 查找所有活跃的租房记录
     const rentals = await Rental.findAll({
-      where: { status: 'active' },
-      include: [Room]
+      where: { status: 'active', isDeleted: 0 },
+      include: [
+        {
+          model: Room,
+          where: { isDeleted: 0 }
+        }
+      ]
     });
     
     // 检查每个租房记录的状态
@@ -81,7 +88,7 @@ const getAllRentals = async (req, res) => {
     const { roomNumber, tenantName, status, page = 1, pageSize = 10 } = req.query;
     
     // 构建查询条件
-    const where = {};
+    const where = { isDeleted: 0 };
     if (status) {
       where.status = status;
     }
@@ -90,19 +97,28 @@ const getAllRentals = async (req, res) => {
     const include = [
       {
         model: Room,
+        where: roomNumber ? { roomNumber: { [Op.like]: `%${roomNumber}%` }, isDeleted: 0 } : { isDeleted: 0 },
         include: [
           {
             model: Apartment,
-            include: [Region]
+            where: { isDeleted: 0 },
+            include: [
+              {
+                model: Region,
+                where: { isDeleted: 0 }
+              }
+            ]
           }
-        ],
-        where: roomNumber ? { roomNumber: { [Op.like]: `%${roomNumber}%` } } : {}
+        ]
       },
       {
         model: Tenant,
-        where: tenantName ? { name: { [Op.like]: `%${tenantName}%` } } : {}
+        where: tenantName ? { name: { [Op.like]: `%${tenantName}%` }, isDeleted: 0 } : { isDeleted: 0 }
       },
-      Contract
+      {
+        model: Contract,
+        where: { isDeleted: 0 }
+      }
     ];
     
     // 计算偏移量
@@ -135,19 +151,33 @@ const getAllRentals = async (req, res) => {
 const getRentalById = async (req, res) => {
   try {
     const { id } = req.params;
-    const rental = await Rental.findByPk(id, {
+    const rental = await Rental.findOne({
+      where: { id, isDeleted: 0 },
       include: [
         {
           model: Room,
+          where: { isDeleted: 0 },
           include: [
             {
               model: Apartment,
-              include: [Region]
+              where: { isDeleted: 0 },
+              include: [
+                {
+                  model: Region,
+                  where: { isDeleted: 0 }
+                }
+              ]
             }
           ]
         },
-        Tenant,
-        Contract
+        {
+          model: Tenant,
+          where: { isDeleted: 0 }
+        },
+        {
+          model: Contract,
+          where: { isDeleted: 0 }
+        }
       ]
     });
     if (!rental) {
@@ -286,7 +316,9 @@ const updateRental = async (req, res) => {
   try {
     const { id } = req.params;
     const { roomId, tenantId, contractId, startDate, endDate, rent, deposit, status } = req.body;
-    const rental = await Rental.findByPk(id);
+    const rental = await Rental.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!rental) {
       return res.status(404).json({ error: '租房记录不存在' });
     }
@@ -297,15 +329,17 @@ const updateRental = async (req, res) => {
   }
 };
 
-// 删除租房
+// 删除租房（软删除）
 const deleteRental = async (req, res) => {
   try {
     const { id } = req.params;
-    const rental = await Rental.findByPk(id);
+    const rental = await Rental.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!rental) {
       return res.status(404).json({ error: '租房记录不存在' });
     }
-    await rental.destroy();
+    await rental.update({ isDeleted: 1 });
     res.status(200).json({ message: '租房记录删除成功' });
   } catch (error) {
     res.status(500).json({ error: error.message });
diff --git a/controllers/roomController.js b/controllers/roomController.js
index 49c93bc..4b50459 100644
--- a/controllers/roomController.js
+++ b/controllers/roomController.js
@@ -13,14 +13,16 @@ const formatDate = (date) => {
 const formatRoomData = (room) => {
   const formattedRoom = {
     ...room.toJSON(),
-    createTime: formatDate(room.createTime)
+    createTime: formatDate(room.createTime),
+    updateTime: formatDate(room.updateTime)
   };
   
   // 格式化关联数据
   if (formattedRoom.Apartment) {
     formattedRoom.Apartment = {
       ...formattedRoom.Apartment,
-      createTime: formatDate(formattedRoom.Apartment.createTime)
+      createTime: formatDate(formattedRoom.Apartment.createTime),
+      updateTime: formatDate(formattedRoom.Apartment.updateTime)
     };
   }
   
@@ -31,14 +33,16 @@ const formatRoomData = (room) => {
         ...rental,
         startDate: formatDate(rental.startDate),
         endDate: formatDate(rental.endDate),
-        createTime: formatDate(rental.createTime)
+        createTime: formatDate(rental.createTime),
+        updateTime: formatDate(rental.updateTime)
       };
       
       // 格式化租客信息
       if (formattedRental.Tenant) {
         formattedRental.Tenant = {
           ...formattedRental.Tenant,
-          createTime: formatDate(formattedRental.Tenant.createTime)
+          createTime: formatDate(formattedRental.Tenant.createTime),
+          updateTime: formatDate(formattedRental.Tenant.updateTime)
         };
       }
       
@@ -60,7 +64,7 @@ const checkAndUpdateRentalStatus = async () => {
     
     // 查找所有活跃的租房记录
     const rentals = await Rental.findAll({
-      where: { status: 'active' }
+      where: { status: 'active', isDeleted: 0 }
     });
     
     // 检查每个租房记录的状态
@@ -73,14 +77,20 @@ const checkAndUpdateRentalStatus = async () => {
         await rental.update({ status: 'expired' });
         // 更新房间状态为空房
         const room = await Room.findByPk(rental.roomId);
-        if (room) {
-          await room.update({ status: 'empty' });
+        if (room && room.status === 'rented') {
+          await room.update({ status: 'empty', subStatus: 'normal' });
         }
       } else if (endDate <= tenDaysLater) {
-        // 更新房间状态为即将到期
+        // 更新房间附属状态为即将到期
         const room = await Room.findByPk(rental.roomId);
         if (room && room.status === 'rented') {
-          await room.update({ status: 'soon_expire' });
+          await room.update({ subStatus: 'soon_expire' });
+        }
+      } else {
+        // 更新房间附属状态为正常
+        const room = await Room.findByPk(rental.roomId);
+        if (room && room.status === 'rented') {
+          await room.update({ subStatus: 'normal' });
         }
       }
     }
@@ -97,10 +107,10 @@ const getAllRooms = async (req, res) => {
     // 先检查并更新租房状态
     await checkAndUpdateRentalStatus();
     
-    const { apartmentId, roomNumber, status, page = 1, pageSize = 10 } = req.query;
+    const { apartmentId, roomNumber, status, otherStatus, subStatus, page = 1, pageSize = 10 } = req.query;
     
     // 构建查询条件
-    const where = {};
+    const where = { isDeleted: 0 };
     if (apartmentId) {
       where.apartmentId = apartmentId;
     }
@@ -112,6 +122,12 @@ const getAllRooms = async (req, res) => {
     if (status) {
       where.status = status;
     }
+    if (otherStatus) {
+      where.otherStatus = otherStatus;
+    }
+    if (subStatus) {
+      where.subStatus = subStatus;
+    }
     
     // 计算偏移量
     const offset = (page - 1) * pageSize;
@@ -187,7 +203,8 @@ const getRoomById = async (req, res) => {
     await checkAndUpdateRentalStatus();
     
     const { id } = req.params;
-    const room = await Room.findByPk(id, {
+    const room = await Room.findOne({
+      where: { id, isDeleted: 0 },
       include: [Apartment]
     });
     if (!room) {
@@ -238,8 +255,8 @@ const getRoomById = async (req, res) => {
 // 创建房间
 const createRoom = async (req, res) => {
   try {
-    const { apartmentId, roomNumber, area, price, status } = req.body;
-    const room = await Room.create({ apartmentId, roomNumber, area, price, status });
+    const { apartmentId, roomNumber, area, monthlyPrice, yearlyPrice, status, subStatus, otherStatus } = req.body;
+    const room = await Room.create({ apartmentId, roomNumber, area, monthlyPrice, yearlyPrice, status, subStatus, otherStatus });
     res.status(201).json(room);
   } catch (error) {
     res.status(500).json({ error: error.message });
@@ -250,27 +267,31 @@ const createRoom = async (req, res) => {
 const updateRoom = async (req, res) => {
   try {
     const { id } = req.params;
-    const { apartmentId, roomNumber, area, price, status } = req.body;
-    const room = await Room.findByPk(id);
+    const { apartmentId, roomNumber, area, monthlyPrice, yearlyPrice, status, subStatus, otherStatus } = req.body;
+    const room = await Room.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!room) {
       return res.status(404).json({ error: '房间不存在' });
     }
-    await room.update({ apartmentId, roomNumber, area, price, status });
+    await room.update({ apartmentId, roomNumber, area, monthlyPrice, yearlyPrice, status, subStatus, otherStatus });
     res.status(200).json(room);
   } catch (error) {
     res.status(500).json({ error: error.message });
   }
 };
 
-// 删除房间
+// 删除房间（软删除）
 const deleteRoom = async (req, res) => {
   try {
     const { id } = req.params;
-    const room = await Room.findByPk(id);
+    const room = await Room.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!room) {
       return res.status(404).json({ error: '房间不存在' });
     }
-    await room.destroy();
+    await room.update({ isDeleted: 1 });
     res.status(200).json({ message: '房间删除成功' });
   } catch (error) {
     res.status(500).json({ error: error.message });
diff --git a/controllers/tenantController.js b/controllers/tenantController.js
index 1d069a5..9f0ccda 100644
--- a/controllers/tenantController.js
+++ b/controllers/tenantController.js
@@ -12,14 +12,17 @@ const formatDate = (date) => {
 const formatTenantData = (tenant) => {
   return {
     ...tenant.toJSON(),
-    createTime: formatDate(tenant.createTime)
+    createTime: formatDate(tenant.createTime),
+    updateTime: formatDate(tenant.updateTime)
   };
 };
 
 // 获取所有租客
 const getAllTenants = async (req, res) => {
   try {
-    const tenants = await Tenant.findAll();
+    const tenants = await Tenant.findAll({
+      where: { isDeleted: 0 }
+    });
     const formattedTenants = tenants.map(formatTenantData);
     res.status(200).json(formattedTenants);
   } catch (error) {
@@ -31,7 +34,9 @@ const getAllTenants = async (req, res) => {
 const getTenantById = async (req, res) => {
   try {
     const { id } = req.params;
-    const tenant = await Tenant.findByPk(id);
+    const tenant = await Tenant.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!tenant) {
       return res.status(404).json({ error: '租客不存在' });
     }
@@ -58,7 +63,9 @@ const updateTenant = async (req, res) => {
   try {
     const { id } = req.params;
     const { name, phone, idCard } = req.body;
-    const tenant = await Tenant.findByPk(id);
+    const tenant = await Tenant.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!tenant) {
       return res.status(404).json({ error: '租客不存在' });
     }
@@ -69,15 +76,17 @@ const updateTenant = async (req, res) => {
   }
 };
 
-// 删除租客
+// 删除租客（软删除）
 const deleteTenant = async (req, res) => {
   try {
     const { id } = req.params;
-    const tenant = await Tenant.findByPk(id);
+    const tenant = await Tenant.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!tenant) {
       return res.status(404).json({ error: '租客不存在' });
     }
-    await tenant.destroy();
+    await tenant.update({ isDeleted: 1 });
     res.status(200).json({ message: '租客删除成功' });
   } catch (error) {
     res.status(500).json({ error: error.message });
diff --git a/controllers/waterBillController.js b/controllers/waterBillController.js
index cdaab14..7e9b638 100644
--- a/controllers/waterBillController.js
+++ b/controllers/waterBillController.js
@@ -15,14 +15,16 @@ const formatWaterBillData = (bill) => {
     ...bill.toJSON(),
     startDate: formatDate(bill.startDate),
     endDate: formatDate(bill.endDate),
-    createTime: formatDate(bill.createTime)
+    createTime: formatDate(bill.createTime),
+    updateTime: formatDate(bill.updateTime)
   };
   
   // 格式化关联数据
   if (formattedBill.Room) {
     formattedBill.Room = {
       ...formattedBill.Room,
-      createTime: formatDate(formattedBill.Room.createTime)
+      createTime: formatDate(formattedBill.Room.createTime),
+      updateTime: formatDate(formattedBill.Room.updateTime)
     };
   }
   
@@ -35,7 +37,7 @@ const getAllWaterBills = async (req, res) => {
     const { roomId, status, startDate, endDate, page = 1, pageSize = 10 } = req.query;
     
     // 构建查询条件
-    const where = {};
+    const where = { isDeleted: 0 };
     if (roomId) {
       where.roomId = roomId;
     }
@@ -55,7 +57,12 @@ const getAllWaterBills = async (req, res) => {
     // 查询水费数据
     const { count, rows } = await WaterBill.findAndCountAll({
       where,
-      include: [Room],
+      include: [
+        {
+          model: Room,
+          where: { isDeleted: 0 }
+        }
+      ],
       limit: parseInt(pageSize),
       offset: parseInt(offset)
     });
@@ -79,8 +86,14 @@ const getAllWaterBills = async (req, res) => {
 const getWaterBillById = async (req, res) => {
   try {
     const { id } = req.params;
-    const bill = await WaterBill.findByPk(id, {
-      include: [Room]
+    const bill = await WaterBill.findOne({
+      where: { id, isDeleted: 0 },
+      include: [
+        {
+          model: Room,
+          where: { isDeleted: 0 }
+        }
+      ]
     });
     if (!bill) {
       return res.status(404).json({ error: '水费记录不存在' });
@@ -125,7 +138,9 @@ const updateWaterBill = async (req, res) => {
     const { id } = req.params;
     const { startDate, endDate, startReading, endReading, unitPrice, status } = req.body;
     
-    const bill = await WaterBill.findByPk(id);
+    const bill = await WaterBill.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!bill) {
       return res.status(404).json({ error: '水费记录不存在' });
     }
@@ -156,15 +171,17 @@ const updateWaterBill = async (req, res) => {
   }
 };
 
-// 删除水费记录
+// 删除水费记录（软删除）
 const deleteWaterBill = async (req, res) => {
   try {
     const { id } = req.params;
-    const bill = await WaterBill.findByPk(id);
+    const bill = await WaterBill.findOne({
+      where: { id, isDeleted: 0 }
+    });
     if (!bill) {
       return res.status(404).json({ error: '水费记录不存在' });
     }
-    await bill.destroy();
+    await bill.update({ isDeleted: 1 });
     res.status(200).json({ message: '水费记录删除成功' });
   } catch (error) {
     res.status(500).json({ error: error.message });
diff --git a/models/Apartment.js b/models/Apartment.js
index bf4d1f0..5607854 100644
--- a/models/Apartment.js
+++ b/models/Apartment.js
@@ -27,6 +27,16 @@ const Apartment = sequelize.define('Apartment', {
   createTime: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
+  },
+  updateTime: {
+    type: DataTypes.DATE,
+    defaultValue: DataTypes.NOW,
+    onUpdate: DataTypes.NOW
+  },
+  isDeleted: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    defaultValue: 0
   }
 }, {
   tableName: 'apartments',
diff --git a/models/Contract.js b/models/Contract.js
index 121c3c6..a058aea 100644
--- a/models/Contract.js
+++ b/models/Contract.js
@@ -49,6 +49,16 @@ const Contract = sequelize.define('Contract', {
   createTime: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
+  },
+  updateTime: {
+    type: DataTypes.DATE,
+    defaultValue: DataTypes.NOW,
+    onUpdate: DataTypes.NOW
+  },
+  isDeleted: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    defaultValue: 0
   }
 }, {
   tableName: 'contracts',
diff --git a/models/ElectricityBill.js b/models/ElectricityBill.js
index 5bd09f2..4960f72 100644
--- a/models/ElectricityBill.js
+++ b/models/ElectricityBill.js
@@ -52,6 +52,16 @@ const ElectricityBill = sequelize.define('ElectricityBill', {
   createTime: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
+  },
+  updateTime: {
+    type: DataTypes.DATE,
+    defaultValue: DataTypes.NOW,
+    onUpdate: DataTypes.NOW
+  },
+  isDeleted: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    defaultValue: 0
   }
 }, {
   tableName: 'electricity_bills',
diff --git a/models/Region.js b/models/Region.js
index 3856f5f..ac30803 100644
--- a/models/Region.js
+++ b/models/Region.js
@@ -19,6 +19,16 @@ const Region = sequelize.define('Region', {
   createTime: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
+  },
+  updateTime: {
+    type: DataTypes.DATE,
+    defaultValue: DataTypes.NOW,
+    onUpdate: DataTypes.NOW
+  },
+  isDeleted: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    defaultValue: 0
   }
 }, {
   tableName: 'regions',
diff --git a/models/Rental.js b/models/Rental.js
index e9c3aa4..fcffcd4 100644
--- a/models/Rental.js
+++ b/models/Rental.js
@@ -62,6 +62,16 @@ const Rental = sequelize.define('Rental', {
   createTime: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
+  },
+  updateTime: {
+    type: DataTypes.DATE,
+    defaultValue: DataTypes.NOW,
+    onUpdate: DataTypes.NOW
+  },
+  isDeleted: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    defaultValue: 0
   }
 }, {
   tableName: 'rentals',
diff --git a/models/Room.js b/models/Room.js
index 2eee9ea..de16835 100644
--- a/models/Room.js
+++ b/models/Room.js
@@ -24,18 +24,42 @@ const Room = sequelize.define('Room', {
     type: DataTypes.DECIMAL(10, 2),
     allowNull: false
   },
-  price: {
+  monthlyPrice: {
+    type: DataTypes.DECIMAL(10, 2),
+    allowNull: false
+  },
+  yearlyPrice: {
     type: DataTypes.DECIMAL(10, 2),
     allowNull: false
   },
   status: {
-    type: DataTypes.ENUM('empty', 'rented', 'soon_expire', 'expired', 'cleaning', 'maintenance'),
+    type: DataTypes.ENUM('empty', 'rented'),
     allowNull: false,
     defaultValue: 'empty'
   },
+  subStatus: {
+    type: DataTypes.ENUM('normal', 'soon_expire', 'expired'),
+    allowNull: false,
+    defaultValue: 'normal'
+  },
+  otherStatus: {
+    type: DataTypes.ENUM('', 'cleaning', 'maintenance'),
+    allowNull: false,
+    defaultValue: ''
+  },
   createTime: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
+  },
+  updateTime: {
+    type: DataTypes.DATE,
+    defaultValue: DataTypes.NOW,
+    onUpdate: DataTypes.NOW
+  },
+  isDeleted: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    defaultValue: 0
   }
 }, {
   tableName: 'rooms',
diff --git a/models/Tenant.js b/models/Tenant.js
index a968f5d..3a0c425 100644
--- a/models/Tenant.js
+++ b/models/Tenant.js
@@ -23,6 +23,16 @@ const Tenant = sequelize.define('Tenant', {
   createTime: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
+  },
+  updateTime: {
+    type: DataTypes.DATE,
+    defaultValue: DataTypes.NOW,
+    onUpdate: DataTypes.NOW
+  },
+  isDeleted: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    defaultValue: 0
   }
 }, {
   tableName: 'tenants',
diff --git a/models/WaterBill.js b/models/WaterBill.js
index 7e451da..43ee603 100644
--- a/models/WaterBill.js
+++ b/models/WaterBill.js
@@ -52,6 +52,16 @@ const WaterBill = sequelize.define('WaterBill', {
   createTime: {
     type: DataTypes.DATE,
     defaultValue: DataTypes.NOW
+  },
+  updateTime: {
+    type: DataTypes.DATE,
+    defaultValue: DataTypes.NOW,
+    onUpdate: DataTypes.NOW
+  },
+  isDeleted: {
+    type: DataTypes.INTEGER,
+    allowNull: false,
+    defaultValue: 0
   }
 }, {
   tableName: 'water_bills',
diff --git a/update_db.js b/update_db.js
new file mode 100644
index 0000000..d66c192
--- /dev/null
+++ b/update_db.js
@@ -0,0 +1,37 @@
+const mysql = require('mysql2/promise');
+const fs = require('fs');
+
+async function updateDatabase() {
+  try {
+    // 连接到数据库
+    const connection = await mysql.createConnection({
+      host: '8.152.207.41',
+      user: 'rentease',
+      password: 'Wxx@123!',
+      database: 'rentease'
+    });
+
+    console.log('成功连接到数据库');
+
+    // 读取 SQL 文件
+    const sqlContent = fs.readFileSync('add_fields.sql', 'utf8');
+    
+    // 执行 SQL 语句
+    const statements = sqlContent.split(';').filter(statement => statement.trim());
+    
+    for (const statement of statements) {
+      await connection.query(statement);
+      console.log(`执行 SQL: ${statement.substring(0, 50)}...`);
+    }
+
+    console.log('数据库表结构更新完成');
+
+    // 关闭连接
+    await connection.end();
+    console.log('数据库连接已关闭');
+  } catch (error) {
+    console.error('更新数据库表结构时出错:', error);
+  }
+}
+
+updateDatabase();
\ No newline at end of file
diff --git a/update_room_price.js b/update_room_price.js
new file mode 100644
index 0000000..283e22e
--- /dev/null
+++ b/update_room_price.js
@@ -0,0 +1,41 @@
+const mysql = require('mysql2/promise');
+const fs = require('fs');
+
+// 数据库连接配置
+const dbConfig = {
+  host: '8.152.207.41',
+  user: 'root',
+  password: '123456',
+  database: 'rentease',
+  port: 3306
+};
+
+// 读取 SQL 文件
+const sqlFilePath = './update_room_price_fields.sql';
+const sqlContent = fs.readFileSync(sqlFilePath, 'utf8');
+
+// 执行 SQL 语句
+const executeSql = async () => {
+  let connection;
+  try {
+    // 连接数据库
+    connection = await mysql.createConnection(dbConfig);
+    console.log('成功连接到数据库');
+
+    // 执行 SQL 语句
+    const [results] = await connection.execute(sqlContent);
+    console.log('数据库表结构更新成功');
+
+  } catch (error) {
+    console.error('更新数据库表结构时出错:', error);
+  } finally {
+    // 关闭数据库连接
+    if (connection) {
+      await connection.end();
+      console.log('数据库连接已关闭');
+    }
+  }
+};
+
+// 执行脚本
+executeSql();
\ No newline at end of file
diff --git a/update_room_price_fields.sql b/update_room_price_fields.sql
new file mode 100644
index 0000000..dc4c8f4
--- /dev/null
+++ b/update_room_price_fields.sql
@@ -0,0 +1,16 @@
+-- 更新房间表结构，将原来的 price 字段改为 monthlyPrice 和 yearlyPrice 两个字段
+
+-- 添加 monthlyPrice 字段
+ALTER TABLE rooms ADD COLUMN monthlyPrice DECIMAL(10, 2) NOT NULL DEFAULT 0 AFTER area;
+
+-- 添加 yearlyPrice 字段
+ALTER TABLE rooms ADD COLUMN yearlyPrice DECIMAL(10, 2) NOT NULL DEFAULT 0 AFTER monthlyPrice;
+
+-- 将原来的 price 字段值复制到 monthlyPrice 字段
+UPDATE rooms SET monthlyPrice = price;
+
+-- 计算年租金并更新 yearlyPrice 字段（月租金 * 12）
+UPDATE rooms SET yearlyPrice = monthlyPrice * 12;
+
+-- 删除原来的 price 字段
+ALTER TABLE rooms DROP COLUMN price;
\ No newline at end of file