diff --git a/src/renderer/src/plugins/shareStore.js b/src/renderer/src/plugins/shareStore.js
index d846f1f..0db8119 100644
--- a/src/renderer/src/plugins/shareStore.js
+++ b/src/renderer/src/plugins/shareStore.js
@@ -172,6 +172,8 @@ const getObjValue = (obj, key) => {
 const findDifferences = (obj1, obj2) => {
   const differences = {};
   function compareObjects(o1, o2, path = '') {
+    if (o1 == null) return
+    if (o2 == null) return
     for (const key in o1) {
       if (o1.hasOwnProperty(key)) {
         const newPath = path ? `${path}.${key}` : key;