diff --git a/src/plugins/schedule/components/Widget.vue b/src/plugins/schedule/components/Widget.vue
index 5f75ff5..0269d85 100644
--- a/src/plugins/schedule/components/Widget.vue
+++ b/src/plugins/schedule/components/Widget.vue
@@ -8,13 +8,11 @@
 </template>
 
 <script lang="ts">
-import { computed, defineComponent, onBeforeMount } from '@vue/composition-api';
-import { BalanceInterface } from 'src/plugins/balance/store/balance';
-import { Store } from 'vuex';
+import { defineComponent } from '@vue/composition-api';
 
 export default defineComponent({
   name: 'DummyWidget',
-  setup(_, { root }) {
+  setup() {
     function randomNumber(start: number, end: number) {
       return start + Math.floor(Math.random() * Math.floor(end));
     }
diff --git a/src/plugins/user/components/Widget.vue b/src/plugins/user/components/Widget.vue
index 4209dc0..4a3f730 100644
--- a/src/plugins/user/components/Widget.vue
+++ b/src/plugins/user/components/Widget.vue
@@ -26,7 +26,7 @@ export default defineComponent({
   setup(_, { root }) {
     const store = <Store<StateInterface>>root.$store;
     const avatarLink = computed(() => {
-      const hash = MD5(store.state.user.currentUser?.mail.trim());
+      const hash = MD5(store.state.user.currentUser?.mail || '').toString();
       return `https://www.gravatar.com/avatar/${hash}?s=500&d=robohash`;
     });