bug fixes

src/app.vue

@@ -10,6 +10,7 @@
       :close-on-click-modal="false"
       :close-on-press-escape="false"
       @closed="handleClose"
+      v-if="hasDialog"
     >
       <div class="sign">
         <p>
@@ -53,6 +54,9 @@ export default {
   computed: {
     dialogWidth() {
       return this.isMobile ? '90%' : '460px'
+    },
+    hasDialog() {
+      return !['/403'].includes(this.$route.path)
     }
   },
   methods: {