diff --git a/source/src/devtools/bus.ts b/source/src/devtools/bus.ts
index cb00f1e..f552e58 100644
--- a/source/src/devtools/bus.ts
+++ b/source/src/devtools/bus.ts
@@ -3,6 +3,7 @@ import Vue from "vue"
 export enum BusMsg {
   ShowPlace = "ShowPlace",
   RequestObjectData = "RequestObjectData",
+  FoldAllGroup = "FoldAllGroup"
 }
 
 export default new Vue();
diff --git a/source/src/devtools/settings.ts b/source/src/devtools/settings.ts
index 5ad3bf2..4e6c009 100644
--- a/source/src/devtools/settings.ts
+++ b/source/src/devtools/settings.ts
@@ -9,7 +9,7 @@ interface SettingsData {
 }
 
 let defaultData: SettingsData = {
-  refreshTime: 100,
+  refreshTime: 500,
   refreshType: RefreshManual,
 }
 
diff --git a/source/src/devtools/ui/property-group.vue b/source/src/devtools/ui/property-group.vue
index b46637f..0126e15 100644
--- a/source/src/devtools/ui/property-group.vue
+++ b/source/src/devtools/ui/property-group.vue
@@ -21,6 +21,7 @@ import Component from "vue-class-component";
 import {Prop} from "vue-property-decorator";
 import {Group} from "@/devtools/data";
 import UiProp from "@/devtools/ui/ui-prop.vue";
+import Bus, {BusMsg} from "@/devtools/bus";
 
 @Component({
   name: "property-group",
@@ -30,18 +31,21 @@ export default class PropertyGroup extends Vue {
   private fold = false;
   @Prop({
     default: () => {
-      return new Group('test')
+      return new Group("test")
     }
   })
   group!: Group;
 
   created() {
+    Bus.$on(BusMsg.FoldAllGroup, (b) => {
+      this.fold = !!b;
+    })
   }
 
   mounted() {
   }
 
-  onClickHeader(group: any) {
+  onClickHeader() {
     this.fold = !this.fold;
   }
 }
diff --git a/source/src/devtools/ui/propertys.vue b/source/src/devtools/ui/propertys.vue
index 31971a9..7a3101d 100644
--- a/source/src/devtools/ui/propertys.vue
+++ b/source/src/devtools/ui/propertys.vue
@@ -11,6 +11,7 @@ import {Component, Prop, Watch} from "vue-property-decorator"
 import UiProp from "./ui-prop.vue"
 import {Group, NodeInfoData} from "@/devtools/data";
 import PropertyGroup from "@/devtools/ui/property-group.vue";
+import Bus, {BusMsg} from "@/devtools/bus";
 
 @Component({
   components: {PropertyGroup, UiProp},
@@ -26,6 +27,10 @@ export default class properties extends Vue {
 
   @Watch("data")
   watchData(newValue: NodeInfoData, oldValue: NodeInfoData) {
+    if (newValue.uuid !== oldValue.uuid) {
+      // 切换node，全部展开属性
+      Bus.$emit(BusMsg.FoldAllGroup, false)
+    }
   }
 
   created() {
diff --git a/source/src/devtools/ui/settings.vue b/source/src/devtools/ui/settings.vue
index 27723a9..9797904 100644
--- a/source/src/devtools/ui/settings.vue
+++ b/source/src/devtools/ui/settings.vue
@@ -40,7 +40,7 @@ export default class Settings extends Vue {
     {label: "manual", value: RefreshManual}
   ]
   refreshType = "";
-  refreshTime = 100;
+  refreshTime = 500;
 
   isRefreshAuto() {
     return this.refreshType === RefreshAuto;
@@ -48,7 +48,7 @@ export default class Settings extends Vue {
 
   created() {
     this.refreshType = settings.data?.refreshType || "";
-    this.refreshTime = settings.data?.refreshTime || 100;
+    this.refreshTime = settings.data?.refreshTime || 500;
   }
 
   onChangeRefreshType() {