diff --git a/src/views/water/lake/trend/index.vue b/src/views/water/lake/trend/index.vue
index 02a87f4..e16ac7d 100644
--- a/src/views/water/lake/trend/index.vue
+++ b/src/views/water/lake/trend/index.vue
@@ -14,6 +14,8 @@
               v-model:value="queryParams.yearList"
               :options="yearOptions"
               placeholder="请选择年度"
+              @change="handleYearChange"
+              allowClear
             >
             </a-select>
           </a-form-item>
@@ -25,6 +27,8 @@
               v-model:value="queryParams.monthList"
               :options="monthOptions"
               placeholder="请选择月份"
+              @change="handleMonthChange"
+              allowClear
             >
             </a-select>
           </a-form-item>
@@ -52,6 +56,8 @@
               v-model:value="queryParams.placeList"
               :options="sectionOptions"
               placeholder="请选择断面名称"
+              @change="handleSectionChange"
+              allowClear
             >
             </a-select>
           </a-form-item>
@@ -63,6 +69,8 @@
               v-model:value="queryParams.monitorIndexList"
               :options="indicatorOptions"
               placeholder="请选择监测指标"
+              @change="handleIndexChange"
+              allowClear
             >
             </a-select>
           </a-form-item>
@@ -135,6 +143,7 @@ export default {
       innerSection: [], // 内湖断面
       specialSection: [], // 专湖断面
       innerIndex: [
+        { label: "全选", value: "全选", limit:"0",color:"#209f53" },
         { label: "pH值", value: "ph", limit:"9",color:"#209f53" },
         { label: "透明度（cm）", value: "transparency", limit:"0.01",color:"#209f53" },
         // { label: "溶解氧饱和度（﹪）", value: "dissolvedOxygenSaturation", limit:"6",color:"#20749f" },
@@ -159,6 +168,7 @@ export default {
         // { label: "氧化还原电位（mV）", value: "oxidationReductionPotential", limit:"1",color:"#209f53" },
       ], // 内湖监测指标
       specialIndex: [
+         { label: "全选", value: "全选", limit:"0",color:"#209f53" },
         // { label: "浊度(NTU)", value: "turbidity", limit:"1",color:"#209f53" },
         { label: "水温(℃)", value: "wTemp", limit:"2",color:"#209f53" },
         // { label: "水位(m)", value: "wd", limit:"1",color:"#209f53" },
@@ -238,11 +248,64 @@ export default {
   },
   mounted() {
      this.loadOptionData();
+
+     Array.prototype.remove = function(val) { 
+        var index = this.indexOf(val); 
+        if (index > -1) { 
+        this.splice(index, 1); 
+        } 
+      };
   },
   methods: {
+    // 全选
+    //年份
+    handleYearChange(e){
+      if(e.indexOf('全选')>-1){
+        this.queryParams.yearList = [...this.yearOptions.map(item=>(
+          item.value
+        ))]
+        this.queryParams.yearList.remove('全选');
+      }
+    },
+    // 月份
+    handleMonthChange(e){
+    if(e.indexOf('全选')>-1){
+        this.queryParams.monthList = [...this.monthOptions.map(item=>(
+          item.value
+        ))]
+        this.queryParams.monthList.remove('全选');
+      }
+    },
+    // 断面
+    handleSectionChange(e){
+    if(e.indexOf('全选')>-1){
+        this.queryParams.placeList = [...this.sectionOptions.map(item=>(
+          item.value
+        ))]
+        this.queryParams.placeList.remove('全选');
+      }
+    },
+    // 指标
+    handleIndexChange(e){
+    if(e.indexOf('全选')>-1){
+        this.queryParams.monitorIndexList = [...this.indicatorOptions.map(item=>(
+          item.value
+        ))]
+        this.queryParams.monitorIndexList.remove('全选');
+      }
+    },
+
     // 下拉列表
     loadOptionData() {
       let yy = new Date().getFullYear();
+      this.yearOptions.push({
+          label: '全选',
+          value: '全选',
+        })
+      this.monthOptions.push({
+          label: '全选',
+          value: '全选',
+        })
       for (let i = 1; i <= 12; i++) {
         this.yearOptions.push({
           label: yy - i,
@@ -313,6 +376,10 @@ export default {
       res.data.data.forEach((item) => {
         palceOptions[item.sectionName] = item.sectionName;
       });
+        newPlace.push({
+          label: '全选',
+          value: '全选',
+        })
       for (let i in palceOptions) {
         newPlace.push({
           label: palceOptions[i],
@@ -631,7 +698,11 @@ export default {
     },
     // 生成年月标识
     buildYearMonth(obj){
+      if(this.queryParams.xco == "Xco_1"){
+        return  obj.year;
+      }else{
         return  obj.year + (obj.month ? ('-'+obj.month) : "");
+      } 
     },