diff --git a/frontend/pages/signin.vue b/frontend/pages/signin.vue
index ada01c8..27d3f36 100644
--- a/frontend/pages/signin.vue
+++ b/frontend/pages/signin.vue
@@ -158,6 +158,7 @@ const resetForm = () => {
                 class="flex items-center gap-2 w-full"
             >
                 <Input
+                    data-testid="phone-input"
                     class="w-full"
                     v-model="loginInfo.phone"
                     placeholder="9380123456"
@@ -185,6 +186,7 @@ const resetForm = () => {
             />
 
             <Button
+                data-testid="send-otp-code-button"
                 v-if="!showOtp"
                 class="rounded-full w-full mt-4"
                 type="submit"