diff --git a/public/static/libs/mapbox/style/customs/night-style.json b/public/static/libs/mapbox/style/customs/night-style.json
index d6f214b..a24c342 100644
--- a/public/static/libs/mapbox/style/customs/night-style.json
+++ b/public/static/libs/mapbox/style/customs/night-style.json
@@ -1811,8 +1811,8 @@
                             16
                         ],
                         [
-                            20,
-                            22
+                            15,
+                            16
                         ]
                     ]
                 },
@@ -1870,7 +1870,7 @@
             "type": "symbol",
             "source": "openmaptiles",
             "source-layer": "place",
-            "maxzoom": 16,
+            "minzoom": 16,
             "filter": [
                 "all",
                 [
@@ -1894,11 +1894,11 @@
                     "stops": [
                         [
                             8,
-                            20
+                            15
                         ],
                         [
                             10,
-                            24
+                            15
                         ]
                     ]
                 }

diff --git a/public/static/libs/mapbox/style/customs/night-style.json b/public/static/libs/mapbox/style/customs/night-style.json
index d6f214b..a24c342 100644
--- a/public/static/libs/mapbox/style/customs/night-style.json
+++ b/public/static/libs/mapbox/style/customs/night-style.json
@@ -1811,8 +1811,8 @@
                             16
                         ],
                         [
-                            20,
-                            22
+                            15,
+                            16
                         ]
                     ]
                 },
@@ -1870,7 +1870,7 @@
             "type": "symbol",
             "source": "openmaptiles",
             "source-layer": "place",
-            "maxzoom": 16,
+            "minzoom": 16,
             "filter": [
                 "all",
                 [
@@ -1894,11 +1894,11 @@
                     "stops": [
                         [
                             8,
-                            20
+                            15
                         ],
                         [
                             10,
-                            24
+                            15
                         ]
                     ]
                 }
diff --git a/src/views/floodSys/floodYP/riskAsses.vue b/src/views/floodSys/floodYP/riskAsses.vue
index 56e6a95..b03d499 100644
--- a/src/views/floodSys/floodYP/riskAsses.vue
+++ b/src/views/floodSys/floodYP/riskAsses.vue
@@ -81,6 +81,7 @@
 import { schemeList, moduleGeometryData } from '@/api/floodSys/floodYP';
 import RiskRCont from './riskAssesRight.vue';
 import xiaoganCityBoundary from '@/assets/geojson/xiaoganCityBoundary.json';
+import { onBeforeUnmount } from 'vue';
 const { proxy } = getCurrentInstance();
 const ifExpand = ref(true);
 const allData = reactive({
@@ -317,6 +318,8 @@
 onMounted(() => {});
 onBeforeMount(() => {
   stopTimer();
+});
+onBeforeUnmount(() => {
   newfiberMap_risk.map.removeLayer('buildingLayer');
 });
 </script>