diff --git a/src/views/water/river/trend/index.vue b/src/views/water/river/trend/index.vue
index 398f830..bc4a693 100644
--- a/src/views/water/river/trend/index.vue
+++ b/src/views/water/river/trend/index.vue
@@ -65,7 +65,7 @@
         <a-col :lg="6" :md="12" :sm="24" :xs="24">
           <a-form-item label="监测指标:">
             <a-select
-              mode="multiple"
+              :mode="selectModel"
               v-model:value="queryParams.monitorIndexList"
               :options="indicatorOptions"
               placeholder="请选择监测指标"
@@ -143,6 +143,7 @@ export default {
       yearOptions: [],
       indicatorOptions: [ 
       ],
+      selectModel:'multiple',
       allIndexOptions:[ 
         { label: "全选", value: "全选", limit:"0",color:"#209f53" },
         { label: "五日生化需氧量", value: "五日生化需氧量", limit:"3",color:"#209f53" },
@@ -171,6 +172,13 @@ export default {
         { label: "全因子", value: "全因子", limit:"0.025",color:"#209f53" },
         { label: "纳污红线", value: "纳污红线", limit:"0.5",color:"#209f53" },
       ],
+      waterIndexOption:[
+        { label: "ph", value: "ph", limit:"9",color:"#209f53" },
+        { label: "溶解氧", value: "溶解氧", limit:"6",color:"#bbb443" },
+        { label: "高锰酸盐指数", value: "高锰酸盐指数", limit:"4",color:"#209f53" },
+        { label: "氨氮", value: "氨氮", limit:"0.5",color:"#ad3abe" },
+        { label: "总磷", value: "总磷", limit:"0.025",color:"#20749f" },
+      ],
 
       innerSection: [], // 内湖断面
       specialSection: [], // 专湖断面
@@ -260,8 +268,10 @@ export default {
 
       if(e=='全因子' || e=='纳污红线'){
         this.yDisable = true
+        this.selectModel = 'default'
         this.queryParams.yco = 'Yco_3'
       }else{
+        this.selectModel = 'multiple'
         this.yDisable = false
       }
 
@@ -296,6 +306,9 @@ export default {
   
     handleRiverChange(type){
         this.queryParams.placeList = [];
+        this.queryParams.monitorIndexList = [];
+        this.yDisable = false
+        
         if(type){
             this.sectionOptions = []
             this.indicatorOptions = []
@@ -340,7 +353,7 @@ export default {
                 })
             }
         }
-        console.log('this.sectionOptions',this.sectionOptions)
+        // console.log('this.sectionOptions',this.sectionOptions)
     },
     // 趋势图
     drawTrend() {