diff --git a/src/assets/images/devmoni/ylj.jpg b/src/assets/images/devmoni/ylj.jpg
new file mode 100644
index 0000000..5196830
Binary files /dev/null and b/src/assets/images/devmoni/ylj.jpg differ
diff --git a/src/pages/DeviceMonitor.vue b/src/pages/DeviceMonitor.vue
index dd9afe6..b2deab2 100644
--- a/src/pages/DeviceMonitor.vue
+++ b/src/pages/DeviceMonitor.vue
@@ -375,8 +375,12 @@ export default {
     },
     async initData () {
       let res = await deviceMonitor()
-      this.deviceDatas = [...res.result]
-      this.addPosition()
+      if (res.code === 200) {
+        this.deviceDatas = [...res.result]
+        this.addPosition()
+      } else {
+        this.toast(res.desc)
+      }
     },
     async _findDeviceById (id) {
       let res = await findDeviceById(id)