diff --git a/ruoyi-ui/src/views/dataStatistics/realtime/left-top.vue b/ruoyi-ui/src/views/dataStatistics/realtime/left-top.vue
index 416f68b..738c850 100644
--- a/ruoyi-ui/src/views/dataStatistics/realtime/left-top.vue
+++ b/ruoyi-ui/src/views/dataStatistics/realtime/left-top.vue
@@ -49,20 +49,17 @@ export default {
   watch: {
     queryParam: {
       handler: function (newVal, oldVal) {
-        this.refreshDebounce();
+        this.refresh();
       },
       deep: true,
     },
     selectedDept: {
       handler: function (newVal, oldVal) {
-        this.refreshDebounce();
+        this.refresh();
       },
       deep: true,
     },
   },
-  mounted() {
-    this.refreshDebounce = debounce(this.refresh, 100);
-  },
   methods: {
     refresh() {
       if (this.selectedDept && this.selectedDept.sn && this.queryParam) {
@@ -81,12 +78,17 @@ export default {
             this.chartData.Xdata = axisData;
             this.chartData.Ydata = seriesData;
           } else {
-            this.chartData.Xdata = [];
-            this.chartData.Ydata = [];
+            this.resetChart();
           }
         });
+      } else {
+        this.resetChart();
       }
     },
+    resetChart() {
+      this.chartData.Xdata = [];
+      this.chartData.Ydata = [];
+    },
   },
 };
 </script>
diff --git a/ruoyi-ui/src/views/dataStatistics/realtime/right-bottom.vue b/ruoyi-ui/src/views/dataStatistics/realtime/right-bottom.vue
index 40891b3..dc3257d 100644
--- a/ruoyi-ui/src/views/dataStatistics/realtime/right-bottom.vue
+++ b/ruoyi-ui/src/views/dataStatistics/realtime/right-bottom.vue
@@ -4,7 +4,7 @@
       :center="position"
       :zoom="16" :scroll-wheel-zoom=true
       style="width: auto; height: 40vh;"
-      :map-type="currentMapType" 
+      :map-type="currentMapType"
     >
       <bm-map-type
         :map-types="['BMAP_NORMAL_MAP', 'BMAP_HYBRID_MAP']"
@@ -32,15 +32,15 @@ export default {
   computed: {
     position() {
       return {
-        lng: parseFloat(this.selectedDept.longitude),
-        lat: parseFloat(this.selectedDept.latitude),
+        lng: parseFloat(this.selectedDept?.longitude),
+        lat: parseFloat(this.selectedDept?.latitude),
       };
     },
   },
   data() {
       return {
         currentMapType: 'BMAP_HYBRID_MAP',
-      
+
       }}
 };
 </script>
diff --git a/ruoyi-ui/src/views/dataStatistics/realtime/right-top.vue b/ruoyi-ui/src/views/dataStatistics/realtime/right-top.vue
index 860b8bb..8cd9057 100644
--- a/ruoyi-ui/src/views/dataStatistics/realtime/right-top.vue
+++ b/ruoyi-ui/src/views/dataStatistics/realtime/right-top.vue
@@ -87,7 +87,12 @@ export default {
     refresh() {
       if (this.queryParam.deptId) {
         getDeviceList(this.queryParam.deptId, this.pager).then((res) => {
-          if (res.code === 200 && res.rows.length > 0) {
+          if (res.code === 200) {
+            if (res.rows.length === 0) {
+              this.tableData = [];
+              this.deptSelect(null);
+              return;
+            }
             this.tableData = res.rows;
             this.radio = res.rows[0].id;
             this.pager.total = res.total;