diff --git a/public/test.vcd.view b/public/test.vcd.view
index 1921a55..aa67e3b 100644
Binary files a/public/test.vcd.view and b/public/test.vcd.view differ
diff --git a/src/api/index.js b/src/api/index.js
index 3c9fe18..d7b2f40 100644
--- a/src/api/index.js
+++ b/src/api/index.js
@@ -12,10 +12,10 @@ export let saveDelay = 1000;
 /**
  * 
  * @param {string} file 
- * @param {*} payload 
+ * @param {any} payload 
  */
 export async function saveView(file, payload) {
-    if (payload.waves === undefined || payload.waves.length === 0) {
+    if (payload === undefined) {
         return;
     }
     if (mode === 'debug') {
@@ -47,7 +47,7 @@ function debounceSaveView(delay) {
             clearTimeout(timer);
         }
         timer = setTimeout(() => {
-            const payload = makeSaveViewPayload(configPool);
+            const payload = makeSaveViewPayload(configPool);            
             const savePath = globalLookup.originVcdViewFile;
             saveView(savePath, payload);
         }, delay);
diff --git a/src/components/sidebar/handle-drag.js b/src/components/sidebar/handle-drag.js
index 9c08b4c..48bd713 100644
--- a/src/components/sidebar/handle-drag.js
+++ b/src/components/sidebar/handle-drag.js
@@ -5,6 +5,6 @@ import { saveViewApi } from "@/api";
 export function onUpdate() {
     globalLookup.render();
     updateCurrentGroups();
-    // 保存视图
+    // 保存视图    
     saveViewApi({ views: true });
 }
diff --git a/src/hook/recover.js b/src/hook/recover.js
index 18fc6b8..a5c6bdb 100644
--- a/src/hook/recover.js
+++ b/src/hook/recover.js
@@ -6,6 +6,7 @@ import { BSON } from "bson";
 import { Id2Pivot, orderedTimes, UserPivots } from "@/components/pivot/pivot-view";
 import { TreeviewExpandSignals } from "@/components/treeview/modules";
 import { controlPanel } from "@/components/right-nav";
+import { saveViewApi } from "@/api";
 
 export const recoverConfig = {
     /**
@@ -228,6 +229,16 @@ export function recoverSession(topModules) {
     recoverConfig.treeviewExpands = null;
     recoverConfig.waves = null;
     recoverConfig.rightNavIndex = null;
+
+    // 更新后端缓存
+    saveViewApi({
+        waves: true,
+        views: true,
+        state: true,
+        pivots: true,
+        treeviewExpands: true,
+        rightNavIndex: true
+    });
 }
 
 /**
@@ -353,7 +364,7 @@ export function makeSaveViewPayload(config) {
     if (defaultFalseWrapper(config, 'waves')) {
         // 有 waves 也一定要有 views
         config.views = true;
-        
+
         const waves = [];
         for (const wire of globalLookup.currentWires) {
             const option = globalLookup.currentSignalRenderOptions.get(wire.link) || {};