diff --git a/src/main.js b/src/main.js
index 12bbc267..574da621 100644
--- a/src/main.js
+++ b/src/main.js
@@ -461,8 +461,8 @@ async function VueInit() {
             var my_username = zzSessionStorage.getItem('my_username')
             var my_password = zzSessionStorage.getItem('my_password')
             let my_userid = zzSessionStorage.getItem('userId')
-            let my_EMail = zzSessionStorage.getItem('my_EMail')
-            if (md5(_vm.unlock.my_password) === my_password && my_username === _vm.unlock.my_username) {
+            let my_EMail = zzSessionStorage.getItem('my_EMail') || ''
+            if (md5(_vm.unlock.my_password) === my_password && (my_username === _vm.unlock.my_username || my_EMail.toUpperCase() === vm.unlock.my_username.toUpperCase())) {
               resetReadingRestTime().then(() => {
               })
               const closeLock = (_vm) => {