diff --git a/nezha-fronted/src/components/common/rightBox/alertRuleBox.vue b/nezha-fronted/src/components/common/rightBox/alertRuleBox.vue
index 4eb9cc980..9e7d1d11f 100644
--- a/nezha-fronted/src/components/common/rightBox/alertRuleBox.vue
+++ b/nezha-fronted/src/components/common/rightBox/alertRuleBox.vue
@@ -112,7 +112,7 @@
           </el-form-item>
           <!--inr-->
           <el-form-item v-if="showSnmpTrap" :label="$t('alert.config.inr')" prop="inr"  class="half-form-item">
-            <el-input id="alert-box-input-inr" v-model.number="editAlertRule.inr" :placeholder="$t('alert.config.inrPlaceholder')" size="small" type="text" :disabled="!showSnmpTrap"></el-input>
+            <el-input-number id="alert-box-input-inr" :controls="false" v-model="editAlertRule.inr" :placeholder="$t('alert.config.inrPlaceholder')" size="small" type="text" :disabled="!showSnmpTrap"></el-input-number>
           </el-form-item>
           <!--last-->
           <el-form-item v-if="showSnmpTrap" :label="$t('alert.config.for')" prop="last"  class="half-form-item" :rules=" [
@@ -372,7 +372,7 @@ export default {
       }
     }
     const nzInr = (rule, value, callback) => {
-      if (!this.showSnmpTrap) {
+      if (!this.showSnmpTrap || (!value && isNaN(value))) {
         callback()
       }
       if (value < 15) {
@@ -737,4 +737,7 @@ export default {
   /deep/ .query-row  .metric-selector-input-box {
     width: calc(100% - 120px);
   }
+  /deep/ .el-input-number--small{
+    width: 100%;
+  }
 </style>
diff --git a/nezha-fronted/src/components/page/alert/alertRule.vue b/nezha-fronted/src/components/page/alert/alertRule.vue
index 8804ddbdc..46be3b49d 100644
--- a/nezha-fronted/src/components/page/alert/alertRule.vue
+++ b/nezha-fronted/src/components/page/alert/alertRule.vue
@@ -308,6 +308,9 @@ export default {
             schedDays: response.data.schedDays ? response.data.schedDays.split(',').map(item => Number(item)) : [],
             receiverShow: response.data.receiver ? response.data.receiver.split(',').map(item => Number(item)) : []
           }
+          if (this.object.inr == 0) {
+            this.object.inr = undefined
+          }
           if (copyFlag) {
             this.object.id = ''
             this.object.name = this.object.name + '-copy'