diff --git a/src/views/water/drinking-water/statistic/components/citySearch.vue b/src/views/water/drinking-water/statistic/components/citySearch.vue
index 2fe0556..6f04b8f 100644
--- a/src/views/water/drinking-water/statistic/components/citySearch.vue
+++ b/src/views/water/drinking-water/statistic/components/citySearch.vue
@@ -251,6 +251,10 @@ export default {
         if(Array.isArray(this.filter) && this.filter.length){
             this.where.filter = [...this.filter]
         }
+        const sectionNames = this.where.drinkingWaterAnalyse.sectionNames
+        if(sectionNames && Array.isArray(sectionNames) && !sectionNames.length){
+            delete this.where.drinkingWaterAnalyse.sectionNames;
+        }
       this.$emit("search", this.where);
     },
     exportFile() {