diff --git a/src/views/information/specialBusiness/waterPv.vue b/src/views/information/specialBusiness/waterPv.vue
index 12ce028..98af2f8 100644
--- a/src/views/information/specialBusiness/waterPv.vue
+++ b/src/views/information/specialBusiness/waterPv.vue
@@ -323,7 +323,7 @@
 
           <div class="tableBox" style="padding: 0">
             <el-form-item :label="'业务类型'">
-              <el-checkbox-group v-model="form.waterTypeList">
+              <el-checkbox-group v-model="form.waterTypeList" :min="1">
                 <el-checkbox
                   v-for="item in waterTypeList"
                   :key="item.value"