diff --git a/web-vue/src/views/login/LoginForm.vue b/web-vue/src/views/login/LoginForm.vue
index 695f3da..bdfa309 100644
--- a/web-vue/src/views/login/LoginForm.vue
+++ b/web-vue/src/views/login/LoginForm.vue
@@ -91,6 +91,11 @@ const refreshCaptcha = async () => {
   }
 }
 
+// 暴露方法给父组件
+defineExpose({
+  refreshCaptcha
+})
+
 const handleLogin = async () => {
   if (!isFormComplete.value || loading.value) return
 
diff --git a/web-vue/src/views/login/index.vue b/web-vue/src/views/login/index.vue
index 0223ae8..e6b3371 100644
--- a/web-vue/src/views/login/index.vue
+++ b/web-vue/src/views/login/index.vue
@@ -40,10 +40,10 @@
         </div>
 
         <!-- 登录表单 -->
-        <LoginForm v-if="isLogin" @success="onLoginSuccess" />
+        <LoginForm v-show="isLogin" ref="loginFormRef" @success="onLoginSuccess" />
 
         <!-- 注册表单 -->
-        <RegisterForm v-else @success="onRegisterSuccess" />
+        <RegisterForm v-show="!isLogin" @success="onRegisterSuccess" />
 
         <!-- 底部切换 -->
         <div class="card-footer">
@@ -70,6 +70,7 @@ const router = useRouter()
 const userStore = useUserStore()
 
 const isLogin = ref(true)
+const loginFormRef = ref(null)
 const storageLimitGb = ref(50)
 
 const storageLimitText = computed(() => {
@@ -95,6 +96,10 @@ onMounted(() => {
 
 const toggleMode = () => {
   isLogin.value = !isLogin.value
+  // 切换到登录时刷新验证码
+  if (isLogin.value && loginFormRef.value) {
+    loginFormRef.value.refreshCaptcha()
+  }
 }
 
 const onLoginSuccess = (data) => {