diff --git a/src/api/api.js b/src/api/api.js
index 4aa3f3c..7280d6e 100644
--- a/src/api/api.js
+++ b/src/api/api.js
@@ -60,7 +60,8 @@ export const statisticsApi = {
   getRentData: () => get('/statistics/rent'),
   getRoomStatus: () => get('/statistics/room-status'),
   getRegionHouseStats: () => get('/statistics/region-house'),
-  getRegionApartmentHouseStats: () => get('/statistics/region-apartment-house')
+  getRegionApartmentHouseStats: () => get('/statistics/region-apartment-house'),
+  getDashboardStats: () => get('/statistics/dashboard')
 };
 
 // 水费管理API
diff --git a/src/views/Dashboard.vue b/src/views/Dashboard.vue
index b52f761..2cec65c 100644
--- a/src/views/Dashboard.vue
+++ b/src/views/Dashboard.vue
@@ -83,6 +83,28 @@
           </div>
         </el-card>
       </el-col>
+      <el-col :xs="24" :sm="12" :md="8">
+        <el-card class="stat-card">
+          <div class="stat-item">
+            <el-icon class="el-icon-s-finance"></el-icon>
+            <div class="stat-info">
+              <div class="stat-value">¥{{ collectedRentAmount }}</div>
+              <div class="stat-label">已收租金</div>
+            </div>
+          </div>
+        </el-card>
+      </el-col>
+      <el-col :xs="24" :sm="12" :md="8">
+        <el-card class="stat-card">
+          <div class="stat-item">
+            <el-icon class="el-icon-s-finance"></el-icon>
+            <div class="stat-info">
+              <div class="stat-value">¥{{ collectedWaterAmount }}</div>
+              <div class="stat-label">已收水费</div>
+            </div>
+          </div>
+        </el-card>
+      </el-col>
     </el-row>
     
     <el-card style="margin-top: 20px;">
@@ -120,6 +142,8 @@ export default {
       contractCount: 0,
       emptyRoomCount: 0,
       rentedRoomCount: 0,
+      collectedRentAmount: 0,
+      collectedWaterAmount: 0,
       regionApartmentHouseStats: []
     }
   },
@@ -130,29 +154,24 @@ export default {
     async loadData() {
       try {
         // 并行加载所有数据
-        const [regionsResponse, apartmentsResponse, roomsResponse, tenantsResponse, contractsResponse, regionApartmentHouseStatsResponse] = await Promise.all([
-          regionApi.getAll(),
-          apartmentApi.getAll(),
-          roomApi.getAll(),
-          tenantApi.getAll(),
-          contractApi.getAll(),
+        const [dashboardStatsResponse, regionApartmentHouseStatsResponse] = await Promise.all([
+          statisticsApi.getDashboardStats(),
           statisticsApi.getRegionApartmentHouseStats()
         ])
         
-        // 处理不同格式的响应数据
-        const regions = regionsResponse.data || regionsResponse
-        const apartments = apartmentsResponse.data || apartmentsResponse
-        const rooms = roomsResponse.data || roomsResponse
-        const tenants = tenantsResponse.data || tenantsResponse
-        const contracts = contractsResponse.data || contractsResponse
+        // 处理响应数据
+        const dashboardStats = dashboardStatsResponse.data || dashboardStatsResponse
         
-        this.regionCount = regions.length
-        this.apartmentCount = apartments.length
-        this.roomCount = rooms.length
-        this.tenantCount = tenants.length
-        this.contractCount = contracts.length
-        this.emptyRoomCount = rooms.filter(room => room.status === 'empty').length
-        this.rentedRoomCount = rooms.filter(room => room.status === 'rented').length
+        // 更新统计数据
+        this.regionCount = dashboardStats.regionCount
+        this.apartmentCount = dashboardStats.apartmentCount
+        this.roomCount = dashboardStats.roomCount
+        this.tenantCount = dashboardStats.tenantCount
+        this.contractCount = dashboardStats.contractCount
+        this.emptyRoomCount = dashboardStats.emptyRoomCount
+        this.rentedRoomCount = dashboardStats.rentedRoomCount
+        this.collectedRentAmount = dashboardStats.collectedRentAmount
+        this.collectedWaterAmount = dashboardStats.collectedWaterAmount
         this.regionApartmentHouseStats = regionApartmentHouseStatsResponse
       } catch (error) {
         this.$message.error('加载数据失败')
diff --git a/src/views/rental/Detail.vue b/src/views/rental/Detail.vue
index 98a5dc1..8b9cfe7 100644
--- a/src/views/rental/Detail.vue
+++ b/src/views/rental/Detail.vue
@@ -61,9 +61,10 @@
               </template>
             </el-table-column>
             <el-table-column prop="createTime" label="创建时间" width="180"></el-table-column>
-            <el-table-column label="操作" width="150">
+            <el-table-column label="操作" width="220">
               <template slot-scope="scope">
                 <el-button type="primary" size="small" @click="handleEditRental(scope.row)">编辑</el-button>
+                <el-button type="success" size="small" @click="handleRenewRental(scope.row)">续租</el-button>
                 <el-button type="danger" size="small" @click="handleDeleteRental(scope.row.id)">删除</el-button>
               </template>
             </el-table-column>
@@ -96,33 +97,7 @@
             </el-table-column>
           </el-table>
         </el-tab-pane>
-        <el-tab-pane label="电费记录" name="electricity">
-          <div class="section-header">
-            <el-button type="primary" size="small" @click="handleAddElectricityBill">添加电费</el-button>
-          </div>
-          <el-table :data="electricityBills" style="width: 100%">
-            <el-table-column prop="startDate" label="开始日期" width="150"></el-table-column>
-            <el-table-column prop="endDate" label="结束日期" width="150"></el-table-column>
-            <el-table-column prop="startReading" label="起始度数" width="120"></el-table-column>
-            <el-table-column prop="endReading" label="结束度数" width="120"></el-table-column>
-            <el-table-column prop="usage" label="用电量(度)" width="120"></el-table-column>
-            <el-table-column prop="unitPrice" label="单价(元/度)" width="120"></el-table-column>
-            <el-table-column prop="amount" label="费用(元)" width="100"></el-table-column>
-            <el-table-column prop="status" label="状态" width="100">
-              <template slot-scope="scope">
-                <el-tag :type="scope.row.status === 'paid' ? 'success' : 'warning'">
-                  {{ scope.row.status === 'paid' ? '已支付' : '未支付' }}
-                </el-tag>
-              </template>
-            </el-table-column>
-            <el-table-column label="操作" width="150">
-              <template slot-scope="scope">
-                <el-button type="primary" size="small" @click="handleEditElectricityBill(scope.row)">编辑</el-button>
-                <el-button type="danger" size="small" @click="handleDeleteElectricityBill(scope.row.id)">删除</el-button>
-              </template>
-            </el-table-column>
-          </el-table>
-        </el-tab-pane>
+
       </el-tabs>
       
       <!-- 水费编辑对话框 -->
@@ -156,39 +131,10 @@
         </span>
       </el-dialog>
       
-      <!-- 电费编辑对话框 -->
-      <el-dialog title="编辑电费" :visible.sync="electricityBillDialogVisible" width="500px">
-        <el-form :model="electricityBillForm" :rules="electricityBillRules" ref="electricityBillForm">
-          <el-form-item label="开始日期" prop="startDate">
-            <el-date-picker v-model="electricityBillForm.startDate" type="date" placeholder="选择开始日期" style="width: 100%"></el-date-picker>
-          </el-form-item>
-          <el-form-item label="结束日期" prop="endDate">
-            <el-date-picker v-model="electricityBillForm.endDate" type="date" placeholder="选择结束日期" style="width: 100%"></el-date-picker>
-          </el-form-item>
-          <el-form-item label="起始度数" prop="startReading">
-            <el-input v-model.number="electricityBillForm.startReading" placeholder="请输入起始度数"></el-input>
-          </el-form-item>
-          <el-form-item label="结束度数" prop="endReading">
-            <el-input v-model.number="electricityBillForm.endReading" placeholder="请输入结束度数"></el-input>
-          </el-form-item>
-          <el-form-item label="单价(元/度)" prop="unitPrice">
-            <el-input v-model.number="electricityBillForm.unitPrice" placeholder="请输入单价"></el-input>
-          </el-form-item>
-          <el-form-item label="状态" prop="status">
-            <el-select v-model="electricityBillForm.status" placeholder="请选择状态">
-              <el-option label="未支付" value="unpaid"></el-option>
-              <el-option label="已支付" value="paid"></el-option>
-            </el-select>
-          </el-form-item>
-        </el-form>
-        <span slot="footer" class="dialog-footer">
-          <el-button @click="electricityBillDialogVisible = false">取消</el-button>
-          <el-button type="primary" @click="handleSaveElectricityBill">保存</el-button>
-        </span>
-      </el-dialog>
+
       
       <!-- 租赁编辑对话框 -->
-      <el-dialog title="编辑租赁记录" :visible.sync="rentalDialogVisible" width="500px">
+      <el-dialog :title="rentalForm.id ? '编辑租赁记录' : '新增租赁记录'" :visible.sync="rentalDialogVisible" width="500px">
         <el-form :model="rentalForm" :rules="rentalRules" ref="rentalForm">
           <el-form-item label="租客姓名" prop="tenantName">
             <el-input v-model="rentalForm.tenantName" placeholder="请输入租客姓名"></el-input>
@@ -231,7 +177,7 @@
 </template>
 
 <script>
-import { roomApi, rentalApi, apartmentApi, waterBillApi, electricityBillApi } from '../../api/api'
+import { roomApi, rentalApi, apartmentApi, waterBillApi } from '../../api/api'
 
 export default {
   name: 'RentalDetail',
@@ -242,13 +188,11 @@ export default {
       apartments: [],
       rentalHistory: [],
       waterBills: [],
-      electricityBills: [],
       isLoading: false,
       activeTab: 'rental',
       // 保存返回时的查询参数
       returnQuery: {},
       waterBillDialogVisible: false,
-      electricityBillDialogVisible: false,
       waterBillForm: {
         id: '',
         roomId: '',
@@ -259,16 +203,6 @@ export default {
         unitPrice: '',
         status: 'unpaid'
       },
-      electricityBillForm: {
-        id: '',
-        roomId: '',
-        startDate: '',
-        endDate: '',
-        startReading: '',
-        endReading: '',
-        unitPrice: '',
-        status: 'unpaid'
-      },
       waterBillRules: {
         startDate: [{ required: true, message: '请选择开始日期', trigger: 'change' }],
         endDate: [{ required: true, message: '请选择结束日期', trigger: 'change' }],
@@ -277,14 +211,6 @@ export default {
         unitPrice: [{ required: true, message: '请输入单价', trigger: 'blur' }],
         status: [{ required: true, message: '请选择状态', trigger: 'change' }]
       },
-      electricityBillRules: {
-        startDate: [{ required: true, message: '请选择开始日期', trigger: 'change' }],
-        endDate: [{ required: true, message: '请选择结束日期', trigger: 'change' }],
-        startReading: [{ required: true, message: '请输入起始度数', trigger: 'blur' }],
-        endReading: [{ required: true, message: '请输入结束度数', trigger: 'blur' }],
-        unitPrice: [{ required: true, message: '请输入单价', trigger: 'blur' }],
-        status: [{ required: true, message: '请选择状态', trigger: 'change' }]
-      },
       rentalDialogVisible: false,
       rentalForm: {
         id: '',
@@ -340,11 +266,8 @@ export default {
         
         // 加载水费数据
         const waterBillsResponse = await waterBillApi.getAll({ roomId })
-        this.waterBills = waterBillsResponse.data || waterBillsResponse
-        
-        // 加载电费数据
-        const electricityBillsResponse = await electricityBillApi.getAll({ roomId })
-        this.electricityBills = electricityBillsResponse.data || electricityBillsResponse
+        this.waterBills = (waterBillsResponse.data || waterBillsResponse)
+          .sort((a, b) => new Date(b.createTime) - new Date(a.createTime))
         
         // 加载租赁历史
         this.loadRentalHistory()
@@ -364,6 +287,7 @@ export default {
             tenantName: rental.Tenant ? rental.Tenant.name : ''
           }
         })
+        .sort((a, b) => new Date(b.createTime) - new Date(a.createTime))
     },
     getStatusType(status) {
       switch (status) {
@@ -569,65 +493,7 @@ export default {
         // 取消删除
       })
     },
-    handleAddElectricityBill() {
-      this.electricityBillForm = {
-        id: '',
-        roomId: this.$route.params.id,
-        startDate: '',
-        endDate: '',
-        startReading: '',
-        endReading: '',
-        unitPrice: '',
-        status: 'unpaid'
-      }
-      this.electricityBillDialogVisible = true
-    },
-    handleEditElectricityBill(bill) {
-      this.electricityBillForm = {
-        ...bill,
-        startDate: bill.startDate ? new Date(bill.startDate) : '',
-        endDate: bill.endDate ? new Date(bill.endDate) : ''
-      }
-      this.electricityBillDialogVisible = true
-    },
-    async handleSaveElectricityBill() {
-      try {
-        const roomId = this.$route.params.id
-        if (this.electricityBillForm.id) {
-          // 更新电费记录
-          await electricityBillApi.update(this.electricityBillForm.id, this.electricityBillForm)
-          this.$message.success('电费记录更新成功')
-        } else {
-          // 创建电费记录
-          await electricityBillApi.create({
-            ...this.electricityBillForm,
-            roomId
-          })
-          this.$message.success('电费记录添加成功')
-        }
-        this.electricityBillDialogVisible = false
-        this.loadData()
-      } catch (error) {
-        this.$message.error('操作失败')
-      }
-    },
-    async handleDeleteElectricityBill(id) {
-      this.$confirm('确定要删除这条电费记录吗？', '提示', {
-        confirmButtonText: '确定',
-        cancelButtonText: '取消',
-        type: 'danger'
-      }).then(async () => {
-        try {
-          await electricityBillApi.delete(id)
-          this.$message.success('电费记录删除成功')
-          this.loadData()
-        } catch (error) {
-          this.$message.error('删除失败')
-        }
-      }).catch(() => {
-        // 取消删除
-      })
-    },
+
     handleEditRental(rental) {
       this.rentalForm = {
         ...rental,
@@ -636,6 +502,35 @@ export default {
       }
       this.rentalDialogVisible = true
     },
+    handleRenewRental(rental) {
+      // 计算新的开始日期和结束日期
+      const oldEndDate = new Date(rental.endDate)
+      const newStartDate = new Date(oldEndDate)
+      
+      // 计算租赁时长（月）
+      const oldStartDate = new Date(rental.startDate)
+      const monthsDiff = (oldEndDate.getFullYear() - oldStartDate.getFullYear()) * 12 + (oldEndDate.getMonth() - oldStartDate.getMonth())
+      
+      // 计算新的结束日期
+      const newEndDate = new Date(newStartDate)
+      newEndDate.setMonth(newEndDate.getMonth() + monthsDiff)
+      
+      // 预填表单，保持租客信息不变，清空ID
+      this.rentalForm = {
+        id: '',
+        roomId: rental.roomId,
+        tenantName: rental.tenantName,
+        tenantPhone: rental.tenantPhone,
+        tenantIdCard: rental.tenantIdCard,
+        startDate: newStartDate,
+        endDate: newEndDate,
+        rent: rental.rent,
+        deposit: rental.deposit,
+        status: 'active',
+        remark: '续租'
+      }
+      this.rentalDialogVisible = true
+    },
     async handleSaveRental() {
       try {
         if (this.rentalForm.id) {