diff --git a/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/controller/OilStatisticsController.java b/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/controller/OilStatisticsController.java
index 11d3801..a14868a 100644
--- a/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/controller/OilStatisticsController.java
+++ b/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/controller/OilStatisticsController.java
@@ -155,10 +155,27 @@ public class OilStatisticsController extends BaseController {
         resultMap.put("preMonthDs", preMonthDs);
         resultMap.put("lastYearDs", lastYearDs);
         return success(resultMap);
-     }
+    }
+
+    @GetMapping("/monthData/dataDetailGangQuCompare")
+    public AjaxResult dataDetailGangQuCompare(Long deptId, String month) {
+        // 本月ds均值
+        List<Map<String, Object>> currentMonthDs = oilThDeviceReportService.monthReportDataOverviewGangQuCompare(deptId, month);
+        // 上月ds均值
+        List<Map<String, Object>> preMonthDs = oilThDeviceReportService.monthReportDataOverviewGangQuCompare(deptId, getPreviousMonth(month));
+        // 去年同月ds均值
+        List<Map<String, Object>> lastYearDs = oilThDeviceReportService.monthReportDataOverviewGangQuCompare(deptId, getLastYearMonth(month));
+
+        Map<String, Object> resultMap = new HashMap<>();
+        resultMap.put("currentMonthDs", currentMonthDs);
+        resultMap.put("preMonthDs", preMonthDs);
+        resultMap.put("lastYearDs", lastYearDs);
+        return success(resultMap);
+    }
 
     /**
      * 获取去年同月
+     *
      * @param month 2024-09
      * @return 2023-09
      */
diff --git a/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/controller/SysSendInfoController.java b/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/controller/SysSendInfoController.java
index bcea5f5..0c132af 100644
--- a/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/controller/SysSendInfoController.java
+++ b/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/controller/SysSendInfoController.java
@@ -53,7 +53,7 @@ public class SysSendInfoController extends BaseController {
      */
     @Log(title = "发送消息", businessType = BusinessType.UPDATE)
     @GetMapping ("/sendMessage")
-    public AjaxResult sendMessage(SendMessageDTO sendMessageDTO) {
+    public AjaxResult sendMessage(SendMessageDTO sendMessageDTO) throws Exception {
         return success(iSysNoticeService.sendMessage(sendMessageDTO));
     }
 
diff --git a/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/mapper/ThDeviceReportMapper.java b/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/mapper/ThDeviceReportMapper.java
index f03879d..f2ddf4c 100644
--- a/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/mapper/ThDeviceReportMapper.java
+++ b/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/mapper/ThDeviceReportMapper.java
@@ -65,6 +65,9 @@ public interface ThDeviceReportMapper {
     @MapKey("month")
     List<Map<String, Object>> monthReportDataOverviewDeviceDs(@Param("deptId") Long deptId, @Param("month") String month);
 
+    @MapKey("month")
+    List<Map<String, Object>> monthReportDataOverviewGangQuCompare(@Param("deptId") Long deptId, @Param("month") String month);
+
     /**
      * 每日数据
      * @param day 日期 2024-08-30
diff --git a/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/service/IOilThDeviceReportService.java b/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/service/IOilThDeviceReportService.java
index 48d6047..a9f36ef 100644
--- a/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/service/IOilThDeviceReportService.java
+++ b/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/service/IOilThDeviceReportService.java
@@ -8,6 +8,8 @@ public interface IOilThDeviceReportService {
 
     List<Map<String, Object>> monthReportDataOverviewDeviceDs(Long deptId, String month);
 
+    List<Map<String, Object>> monthReportDataOverviewGangQuCompare(Long deptId, String month);
+
     List<Map<String, Object>>  dailyReportDataOverview(String day);
 
     List<Map<String, Object>> selectAlarmCountByDeptIdAndDateRange(Long deptId, String beginDate, String endDate);
diff --git a/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/service/impl/OilThDeviceReportService.java b/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/service/impl/OilThDeviceReportService.java
index 81ad6b3..30c6f29 100644
--- a/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/service/impl/OilThDeviceReportService.java
+++ b/RuoYi-Vue-Oracle/src/main/java/com/ruoyi/project/oil/service/impl/OilThDeviceReportService.java
@@ -26,6 +26,11 @@ public class OilThDeviceReportService  implements IOilThDeviceReportService {
         return camelCaseMapListKey(thDeviceReportMapper.monthReportDataOverviewDeviceDs(deptId, month));
     }
 
+    @Override
+    public List<Map<String, Object>> monthReportDataOverviewGangQuCompare(Long deptId, String month) {
+        return camelCaseMapListKey(thDeviceReportMapper.monthReportDataOverviewGangQuCompare(deptId, month));
+    }
+
     @Override
     public List<Map<String, Object>> dailyReportDataOverview(String day) {
         return camelCaseMapListKey(thDeviceReportMapper.dailyReportDataOverview(day));
diff --git a/RuoYi-Vue-Oracle/src/main/resources/mybatis/oil/ThDeviceReportMapper.xml b/RuoYi-Vue-Oracle/src/main/resources/mybatis/oil/ThDeviceReportMapper.xml
index 64b28df..b2cdcab 100644
--- a/RuoYi-Vue-Oracle/src/main/resources/mybatis/oil/ThDeviceReportMapper.xml
+++ b/RuoYi-Vue-Oracle/src/main/resources/mybatis/oil/ThDeviceReportMapper.xml
@@ -145,6 +145,29 @@
         ORDER BY pp.dept_name, p.dept_name
     </select>
 
+    <select id="monthReportDataOverviewGangQuCompare" parameterType="map" resultType="map">
+        SELECT
+               pp.dept_name                   as "gang_qu",
+               ppp.dept_name                  as "gang_kou",
+               ROUND(AVG(TO_NUMBER(d.ds)), 8) AS avg_ds
+        FROM th_device_report d
+                 LEFT JOIN th_device td ON d.sn = td.sn
+                 LEFT JOIN sys_dept p ON td.dept_id = p.dept_id
+                 LEFT JOIN sys_dept pp ON p.parent_id = pp.dept_id
+                 LEFT JOIN sys_dept ppp ON pp.parent_id = ppp.dept_id
+
+        WHERE d.sn IN (SELECT d.sn
+                       FROM th_device d
+                                LEFT JOIN sys_dept p ON d.dept_id = p.dept_id
+                       WHERE d.dept_id IN (SELECT dept_id
+                                           FROM sys_dept START WITH dept_id = #{deptId}
+                                               CONNECT BY PRIOR dept_id = parent_id))
+          AND TO_CHAR(d.report_time, 'YYYY-MM') = #{month}
+        GROUP BY pp.dept_name, ppp.dept_name
+        ORDER BY ppp.dept_name, pp.dept_name
+    </select>
+
+
     <select id="dailyReportDataOverview" parameterType="map" resultType="map">
         SELECT TO_CHAR(d.report_time, 'YYYY-MM-DD') AS day,
                d.sn,
diff --git a/ruoyi-ui/src/api/statistics/monthData.js b/ruoyi-ui/src/api/statistics/monthData.js
index 71b7596..cbc8b64 100644
--- a/ruoyi-ui/src/api/statistics/monthData.js
+++ b/ruoyi-ui/src/api/statistics/monthData.js
@@ -31,3 +31,11 @@ export function getDataDetail(params) {
     method: 'get',
   })
 }
+
+export function dataDetailGangQuCompare(params) {
+  return request({
+    url: '/statistics/monthData/dataDetailGangQuCompare',
+    params: params,
+    method: 'get',
+  })
+}
diff --git a/ruoyi-ui/src/views/dataStatistics/monthData/data-compare.vue b/ruoyi-ui/src/views/dataStatistics/monthData/data-compare.vue
new file mode 100644
index 0000000..e3df3c2
--- /dev/null
+++ b/ruoyi-ui/src/views/dataStatistics/monthData/data-compare.vue
@@ -0,0 +1,246 @@
+<template>
+  <div>
+    <el-row :gutter="10">
+      <el-col :span="6" style="margin-top: 10px; margin-bottom: 10px">
+        <dept-tree @deptChange="handleDeptChange" :showQuickGroup="true" />
+      </el-col>
+      <el-col :span="6" style="margin-top: 10px; margin-bottom: 10px">
+        <el-date-picker
+          v-model="dateValue"
+          type="month"
+          format="yyyy-MM"
+          value-format="yyyy-MM"
+          placeholder="选择月份"
+          @change="handleDateChange"
+        >
+        </el-date-picker>
+      </el-col>
+      <el-col :span="12">
+        <div class="export_btn">
+          <el-button
+            type="primary"
+            icon="eel-icon-download"
+            @click="exportToExcel"
+            >导出</el-button
+          >
+        </div>
+      </el-col>
+    </el-row>
+    <el-row :gutter="10">
+      <el-col :span="24">
+        <el-table :data="tableData" :header-cell-style="headerStyle" :loading="loading" @sort-change="sortChange">
+          <el-table-column
+            prop="gangKou"
+            label="港口"
+            align="center"
+          ></el-table-column>
+          <el-table-column
+            prop="gangQu"
+            label="港区"
+            align="center"
+          ></el-table-column>
+          <el-table-column
+            prop="currAvgDs"
+            label="本月均值"
+            sortable
+            align="center"
+          ></el-table-column>
+          <el-table-column
+            prop="preMonthAvgDs"
+            label="上月均值"
+            sortable
+            align="center"
+          ></el-table-column>
+          <el-table-column
+            prop="mom"
+            label="环比%"
+            sortable
+            :sortMethod="sortMomMethod"
+            align="center"
+          >
+            <template slot-scope="scope">
+              {{ scope.row.mom }}%
+            </template>
+        </el-table-column>
+          <el-table-column
+            prop="lastYearAvgDs"
+            label="去年同月均值"
+            sortable
+            align="center"
+          ></el-table-column>
+          <el-table-column
+            prop="yoy"
+            label="同比%"
+            sortable
+            :sortMethod="sortYoyMethod"
+            align="center"
+          >
+          <template slot-scope="scope">
+            {{ scope.row.yoy }}%
+          </template>
+        </el-table-column>
+        </el-table>
+      </el-col>
+    </el-row>
+  </div>
+</template>
+
+<script>
+import * as XLSX from "xlsx";
+import { dataDetailGangQuCompare } from "@/api/statistics/monthData.js";
+export default {
+  name: "DataCompare",
+  data() {
+    return {
+      deptId: "",
+      deptName: "",
+      dateValue: "",
+      tableData: [],
+      loading: false,
+      headerStyle: {
+        fontSize: "14px",
+        backgroundColor: "#f8f8f8",
+        color: "#333",
+      },
+    };
+  },
+  created() {
+    this.initDate();
+  },
+  methods: {
+    initDate() {
+      const date = new Date();
+      const year = date.getFullYear();
+      const month = date.getMonth() + 1;
+      const monthStr = month < 10 ? `0${month}` : month;
+      this.dateValue = `${year}-${monthStr}`;
+    },
+    handleDeptChange(value) {
+      this.deptId = value.deptId;
+      this.deptName = value.deptName;
+      this.queryData();
+    },
+    handleDateChange(value) {
+      this.queryData();
+    },
+    sortMomMethod(a, b) {
+      return parseFloat(a.mom) - parseFloat(b.mom);
+    },
+    sortYoyMethod(a, b) {
+      return parseFloat(a.yoy) - parseFloat(b.yoy);
+    },
+    sortChange({ prop, order }) {
+      if (order === "ascending") {
+        this.tableData.sort((a, b) => a[prop] - b[prop]);
+      } else {
+        this.tableData.sort((a, b) => b[prop] - a[prop]);
+      }
+    },
+    queryData() {
+      this.tableData = [];
+      this.loading = true;
+      dataDetailGangQuCompare({
+        deptId: this.deptId,
+        month: this.dateValue,
+      }).then((res) => {
+        if (res.code === 200) {
+          const { currentMonthDs, lastYearDs, preMonthDs } = res.data;
+          // const minLength = Math.min(currentMonthDs.length, lastYearDs.length, preMonthDs.length);
+          // 比较三个数组的长度，得到最小的数组
+          // const minLength = Math.min(currentMonthDs.length, lastYearDs.length, preMonthDs.length);
+          // 获取本月ds均值，上月ds均值，环比%，去年同月ds均值，同比% ，同比增减
+          // mom 环比% = (本月均值 - 上月均值) / 上月均值 *100%
+          // yoy 同比% = (本月均值 - 去年同月均值) / 去年同月均值 *100%
+          // 同比增减＝本月均值 - 去年同月均值
+          for (let i = 0; i < currentMonthDs.length; i++) {
+            const dataItem = {};
+            const currentMonthDsItem = currentMonthDs[i];
+            dataItem.gangQu = currentMonthDsItem.gangQu;
+            dataItem.gangKou = currentMonthDsItem.gangKou;
+            dataItem.currAvgDs = currentMonthDsItem.avgDs;
+            const lastYearDsItem = lastYearDs.find(
+              (item) => item.gangQu === currentMonthDsItem.gangQu
+            );
+            if (lastYearDsItem) {
+              dataItem.lastYearAvgDs = lastYearDsItem.avgDs;
+              dataItem.yoy =
+                (
+                  ((currentMonthDsItem.avgDs - lastYearDsItem.avgDs) /
+                    lastYearDsItem.avgDs) *
+                  100
+                ).toFixed(2);
+            } else {
+              dataItem.lastYearAvgDs = 0;
+              dataItem.yoy = 0;
+            }
+            const preMonthDsItem = preMonthDs.find(
+              (item) => item.gangQu === currentMonthDsItem.gangQu
+            );
+            if (preMonthDsItem) {
+              dataItem.preMonthAvgDs = preMonthDsItem.avgDs;
+              dataItem.mom =
+                (
+                  ((currentMonthDsItem.avgDs - preMonthDsItem.avgDs) /
+                    preMonthDsItem.avgDs) *
+                  100
+                ).toFixed(2);
+            } else {
+              dataItem.preMonthAvgDs = 0;
+              dataItem.mom = 0;
+            }
+            this.tableData.push(dataItem);
+          }
+        }
+      }).finally(() => {
+        this.loading = false;
+      });
+    },
+    exportToExcel() {
+      // 创建一个新的工作簿
+      const wb = XLSX.utils.book_new();
+      const filename = `${this.deptName} ${this.dateValue.replace("-", "年") + "月"} 数据详情`;
+      // // 创建一个新的工作表
+      const ws_name = "SheetJS";
+      const ws_data = [
+        [filename],
+        ["港口", "港区", "本月均值", "上月均值", "环比%", "去年同月均值", "同比%"],
+        ...this.tableData.map((row) => [
+          row.gangKou,
+          row.gangQu,
+          row.currAvgDs,
+          row.preMonthAvgDs,
+          row.mom,
+          row.lastYearAvgDs,
+          row.yoy,
+        ]),
+      ];
+      const ws = XLSX.utils.aoa_to_sheet(ws_data);
+      // // 合并第一行的前8列
+      if(!ws['!merges']) ws['!merges'] = [];
+      ws['!merges'].push({s: {r: 0, c: 0}, e: {r: 0, c: 7}});
+      // // 将工作表添加到工作簿中
+      XLSX.utils.book_append_sheet(wb, ws, ws_name);
+      XLSX.writeFile(wb, `${filename}.xlsx`);
+    },
+  },
+};
+</script>
+
+<style scoped>
+.table-title {
+  border: 1px solid #ebeef5;
+  display: flex;
+  justify-content: center;
+  align-items: center;
+  height: 45px;
+  span {
+    font-size: 18px;
+    color: #333;
+  }
+}
+.export_btn {
+  padding: 10px;
+  display: flex;
+  justify-content: flex-end;
+}
+</style>
diff --git a/ruoyi-ui/src/views/dataStatistics/monthData/index.vue b/ruoyi-ui/src/views/dataStatistics/monthData/index.vue
index 5a623b5..e830d67 100644
--- a/ruoyi-ui/src/views/dataStatistics/monthData/index.vue
+++ b/ruoyi-ui/src/views/dataStatistics/monthData/index.vue
@@ -18,12 +18,14 @@
 import CreateReport from "./create-report.vue";
 import DataOverview from "./data-overview.vue";
 import DataDetail from "./data-detail.vue";
+import DataCompare from "./data-compare.vue";
 export default {
   name: "MonthData",
   components: {
     CreateReport,
     DataOverview,
     DataDetail,
+    DataCompare,
   },
   data() {
     return {
@@ -41,6 +43,10 @@ export default {
           label: "数据详情",
           cpn: "DataDetail",
         },
+        {
+          label: "港区对比",
+          cpn: "DataCompare",
+        },
       ],
     };
   },