diff --git a/src/utils/commons.js b/src/utils/commons.js
index a14b690..77bc004 100644
--- a/src/utils/commons.js
+++ b/src/utils/commons.js
@@ -619,6 +619,11 @@ export const readWebsocketLog = () => {
     }
     openRequest.onsuccess = function (e) {
       let db = e.target.result
+      // 数据库是否存在
+      if (!db.objectStoreNames.contains('LogStore')) {
+        resolve('Database does not exist.')
+        return
+      }
       let transaction = db.transaction('LogStore')
       let store = transaction.objectStore('LogStore')
       let request = store.getAll()
@@ -639,6 +644,9 @@ export const clearWebsocketLog = () => {
   openRequest.onerror = function (e) {}
   openRequest.onsuccess = function (e) {
     let db = e.target.result
+    if (!db.objectStoreNames.contains('LogStore')) {
+      return
+    }
     let transaction = db.transaction('LogStore', 'readwrite')
     let store = transaction.objectStore('LogStore')
     // Clear the store