diff --git a/src/views/water/river/trend/index.vue b/src/views/water/river/trend/index.vue
index 1550f66..7ffdfe9 100644
--- a/src/views/water/river/trend/index.vue
+++ b/src/views/water/river/trend/index.vue
@@ -36,7 +36,7 @@
         <a-col :lg="6" :md="12" :sm="24" :xs="24">
           <a-form-item label="江河类别:">
             <a-select
-              v-model:value="queryParams.regionLevel"
+              v-model:value="queryParams.riverType"
               @change="handleRiverChange"
               allowClear
               placeholder="请选择区域等级"
@@ -91,6 +91,7 @@
             <a-select
               v-model:value="queryParams.yco"
               :options="yOptions"
+              :disabled="yDisable"
               allowClear
               placeholder="请选择纵坐标"
             >
@@ -125,7 +126,7 @@ export default {
       queryParams: {
         yearList: [],
         monthList: [],
-        lakeType:'',
+        riverType:'',
         placeList: [],
         xco: "Xco_1", // 横坐标
         yco:"",
@@ -172,7 +173,7 @@ export default {
 
       innerSection: [], // 内湖断面
       specialSection: [], // 专湖断面
-
+      yDisable:false,
       monthOptions: [
         // {
         //   label: "全部",
@@ -255,7 +256,15 @@ export default {
     },
     // 指标
     handleIndexChange(e){
-    if(e.indexOf('全选')>-1){
+
+      if(e=='全因子' || e=='纳污红线'){
+        this.yDisable = true
+        this.queryParams.yco = 'Yco_3'
+      }else{
+        this.yDisable = false
+      }
+
+      if(e.indexOf('全选')>-1){
         this.queryParams.monitorIndexList = [...this.indicatorOptions.map(item=>(
           item.value
         ))]