diff --git a/src/components/check/QuestionList.vue b/src/components/check/QuestionList.vue
index 06cc5d1..398afd1 100644
--- a/src/components/check/QuestionList.vue
+++ b/src/components/check/QuestionList.vue
@@ -226,7 +226,7 @@
                   height="60"
                   to="/forms"
                   class="mt-4 mr-2"
-                  v-if="getUsername == ''"
+                  v-if="getUsername==''||getUsername==null||getUsername==undefined"
                 >
                   <span class="text-sub">แสดงตนเป็นผู้สมัคร</span>
                 </v-btn>