diff --git a/src/views/abnormalAlarm/databaseMonitor/instances/table.vue b/src/views/abnormalAlarm/databaseMonitor/instances/table.vue
index fc33e31..efe18bd 100644
--- a/src/views/abnormalAlarm/databaseMonitor/instances/table.vue
+++ b/src/views/abnormalAlarm/databaseMonitor/instances/table.vue
@@ -160,6 +160,8 @@ export default {
       getAction('/sysDatabase/dbNames', params).then((res) => {
         if (res.success) {
           console.log(res)
+          this.dbName = res.result[0]
+          this.ondbNameChange(this.dbName)
           this.dbNameOptions = res.result.map((item) => {
             return {
               label: item,