diff --git a/src/stores/authStore.js b/src/stores/authStore.js
index cede1f1..977cd25 100644
--- a/src/stores/authStore.js
+++ b/src/stores/authStore.js
@@ -58,6 +58,7 @@ export const useAuthStore = defineStore('auth', () => {
       router.push({ name: 'collection'})
     } catch (error) {
       console.error('Login error:', error)
+      throw error
     }
   }
 
diff --git a/src/stores/labelsStore.js b/src/stores/labelsStore.js
index 968d3ff..ab8ef28 100644
--- a/src/stores/labelsStore.js
+++ b/src/stores/labelsStore.js
@@ -34,7 +34,7 @@ export const useLabelsStore = defineStore('labels', () => {
 
   const getLabels = async () => {
     try {
-      const response = await apiClient.get('/merch/labels')
+      const response = await apiClient.get(`/merch/labels?_=${Date.now()}`)
       const labelList = Array.isArray(response.data) ? response.data : []
       labels.value = labelList
       localStorage.setItem('labels', JSON.stringify(labelList))
@@ -46,7 +46,7 @@ export const useLabelsStore = defineStore('labels', () => {
 
   const updateLabel = async (uuid, updatedData) => {
     try {
-      await apiClient.put(`/merch/labels/${uuid}`, updatedData)
+      await apiClient.put(`/merch/labels/${uuid}?_=${Date.now()}`, updatedData)
       await getLabels()
     } catch (error) {
       console.error('Failed to update label:', error)
diff --git a/src/views/LoginView.vue b/src/views/LoginView.vue
index 0a2015e..756bb8d 100644
--- a/src/views/LoginView.vue
+++ b/src/views/LoginView.vue
@@ -2,16 +2,23 @@
 import { reactive, ref } from 'vue'
 import { useAuthStore } from '@/stores/authStore.js'
 import { storeToRefs } from 'pinia'
+import { useMessage } from 'naive-ui'
 
 const store = useAuthStore()
+const messages = useMessage()
 
 const { activeTab } = storeToRefs(store)
 
 const signInEmail = ref('')
 const signInPassword = ref('')
 
-const onSignIn = () => {
-  store.login(signInEmail.value, signInPassword.value)
+const onSignIn = async () => {
+  try{
+    await store.login(signInEmail.value, signInPassword.value)
+    messages.success('Login success')
+  } catch (error) {
+    messages.error("Login error")
+  }
 }
 
 const signUp = reactive({
@@ -20,8 +27,35 @@ const signUp = reactive({
   reenterPassword: '',
 })
 
-const onSignUp = () => {
-  store.register(signUp.email, signUp.password)
+const onSignUp = async () => {
+  if (!signUp.email.trim()) {
+    messages.error('Email is required')
+    return
+  }
+
+  const emailRegex = /^[^\s@]+@[^\s@]+\.[^\s@]+$/
+  if (!emailRegex.test(signUp.email)) {
+    messages.error('Please enter a valid email address')
+    return
+  }
+
+  if (!signUp.password.trim()) {
+    messages.error('Password is required')
+    return
+  }
+
+  if (signUp.password !== signUp.reenterPassword) {
+    messages.error('Passwords do not match')
+    return
+  }
+
+  try{
+    await store.register(signUp.email, signUp.password)
+    messages.success('Register success')
+    activeTab.value = 'signin'
+  } catch (error) {
+    messages.error("Register error")
+  }
 }
 </script>
 
@@ -43,7 +77,7 @@ const onSignUp = () => {
           <n-form-item-row label="Password">
             <n-input v-model:value="signInPassword" type="password" show-password-on="click" />
           </n-form-item-row>
-          <n-button type="primary" block secondary strong attr-type="submit" @click="onSignIn"> Sign In</n-button>
+          <n-button type="primary" block secondary strong attr-type="submit"> Sign In</n-button>
         </n-form>
       </n-tab-pane>
 
@@ -58,7 +92,7 @@ const onSignUp = () => {
           <n-form-item-row label="Reenter Password">
             <n-input type="password" v-model:value="signUp.reenterPassword" show-password-on="click" />
           </n-form-item-row>
-          <n-button type="primary" block secondary strong attr-type="submit" @click="onSignUp">Sign up</n-button>
+          <n-button type="primary" block secondary strong attr-type="submit">Sign up</n-button>
         </n-form>
       </n-tab-pane>
     </n-tabs>