diff --git a/mindinsight/ui/src/components/header.vue b/mindinsight/ui/src/components/header.vue
index 7e6c67f76cb733f08c37a43a61acabef45fa7d66..1991f8fe2c3ff38f88249dac5677bceabd05cc3b 100644
--- a/mindinsight/ui/src/components/header.vue
+++ b/mindinsight/ui/src/components/header.vue
@@ -194,6 +194,9 @@ export default {
       this.newReloadValue = this.timeReloadValue;
     },
     timeValueChange() {
+      if (this.newReloadValue === '') {
+        return;
+      }
       this.newReloadValue = this.newReloadValue
           .toString()
           .replace(/[^\.\d]/g, '')
@@ -229,9 +232,12 @@ export default {
     },
     cancelHardwareTimeValue() {
       this.isShowHardwareInp = false;
-      this.newHardwareReloadValue = this.timeReloadValue;
+      this.newHardwareReloadValue = this.hardwareTimeReloadValue;
     },
     hardwareTimeValueChange() {
+      if (this.newHardwareReloadValue === '') {
+        return;
+      }
       this.newHardwareReloadValue = this.newHardwareReloadValue
           .toString()
           .replace(/[^\.\d]/g, '')
diff --git a/mindinsight/ui/src/store.js b/mindinsight/ui/src/store.js
index 340bd8c430f66a95356c627134f4abb6a602ae37..f7053350a34ea0d427bfd98cb8e86d01562f2c12 100644
--- a/mindinsight/ui/src/store.js
+++ b/mindinsight/ui/src/store.js
@@ -35,7 +35,7 @@ export default new Vuex.Store({
     // hardware reload time
     hardwareTimeReloadValue: localStorage.hardwareTimeReloadValue
       ? localStorage.hardwareTimeReloadValue
-      : 3,
+      : 5,
     // multiSelevtGroup component count
     multiSelectedGroupCount: 0,
     tableId: 0,