diff --git a/package.json b/package.json
index 80f69fc..38a2e3a 100644
--- a/package.json
+++ b/package.json
@@ -29,6 +29,7 @@
     "@vue-office/excel": "^1.7.11",
     "@vue-office/pdf": "^2.0.2",
     "@vueuse/core": "^10.11.0",
+    "circular-json": "^0.5.9",
     "cropperjs": "^1.6.2",
     "crypto-js": "^4.2.0",
     "echarts": "^5.5.1",
diff --git a/src/renderer/src/plugins/shareStore.js b/src/renderer/src/plugins/shareStore.js
index e291561..10aec30 100644
--- a/src/renderer/src/plugins/shareStore.js
+++ b/src/renderer/src/plugins/shareStore.js
@@ -4,6 +4,7 @@
 const isNode = typeof require !== 'undefined' // 是否支持node函数
 const { ipcRenderer } = isNode?require('electron'):{} // app使用
 import { sessionStore } from '@/utils/store'
+import CircularJSON from 'circular-json'
 // import { diff } from 'jsondiffpatch'
 // const Remote = isNode?require('@electron/remote'):{}  // 远程模块
 
@@ -173,6 +174,7 @@ const findDifferences = (obj1, obj2) => {
     for (const key in o1) {
       if (o1.hasOwnProperty(key)) {
         const newPath = path ? `${path}.${key}` : key;
+        if(!o2) return
         if (o2.hasOwnProperty(key)) {
           const v1 = toJsonStr(o1[key])
           const v2 = toJsonStr(o2[key])
@@ -202,6 +204,6 @@ const findDifferences = (obj1, obj2) => {
   return differences;
 }
 // 对象克隆
-const objClone = (obj) => JSON.parse(JSON.stringify(obj))
+const objClone = (obj) => JSON.parse(CircularJSON.stringify(obj))
 // 转换为json
-const toJsonStr = (obj) => JSON.stringify(obj)
+const toJsonStr = (obj) => CircularJSON.stringify(obj)