refactor: remove captcha functionality from login view

- Eliminated the captcha input and related logic from the login form.
- Updated the login form structure and validation rules accordingly.
- Cleaned up unused imports and adjusted error handling for login failures.
- Enhanced code readability by simplifying the login process.

src/views/login/index.vue

@@ -31,18 +31,6 @@
             autocomplete="current-password"
           />
         </el-form-item>
-        <el-form-item v-if="captchaEnabled" prop="code">
-          <div class="login__captcha">
-            <el-input
-              v-model="loginForm.code"
-              placeholder="请输入验证码"
-              size="large"
-              :prefix-icon="Key"
-              @keyup.enter="handleLogin"
-            />
-            <img :src="codeUrl" class="login__captcha-img" @click="getCode" alt="captcha" />
-          </div>
-        </el-form-item>
         <div class="login__actions">
           <el-checkbox v-model="rememberMe">记住我</el-checkbox>
           <span class="login__forgot" @click="goHelp">忘记密码？</span>
@@ -62,8 +50,9 @@
 import { ref, reactive, onMounted, watch } from 'vue'
 import { useRouter, useRoute } from 'vue-router'
 import { ElMessage, type FormInstance, type FormRules } from 'element-plus'
-import { User, Lock, Key } from '@element-plus/icons-vue'
+import { User, Lock } from '@element-plus/icons-vue'
 import { useUserStore } from '@/store/user'
+import type { LoginParams } from '@/types'
 
 const router = useRouter()
 const route = useRoute()
@@ -73,26 +62,16 @@ const version = __APP_VERSION__
 
 const loginFormRef = ref<FormInstance>()
 const loading = ref(false)
-const captchaEnabled = ref(false)
-const codeUrl = ref('')
 const rememberMe = ref(true)
 
-const loginForm = reactive({
+const loginForm = reactive<LoginParams>({
   username: '',
-  password: '',
-  code: '',
-  uuid: ''
+  password: ''
 })
 
 const loginRules: FormRules = {
   username: [{ required: true, message: '请输入用户名', trigger: 'blur' }],
-  password: [{ required: true, message: '请输入密码', trigger: 'blur' }],
-  code: [{ required: true, message: '请输入验证码', trigger: 'blur' }]
-}
-
-// Hono API 不支持验证码，禁用验证码功能
-function getCode() {
-  captchaEnabled.value = false
+  password: [{ required: true, message: '请输入密码', trigger: 'blur' }]
 }
 
 async function handleLogin() {
@@ -104,20 +83,15 @@ async function handleLogin() {
       try {
         const res = await userStore.loginAction(loginForm)
         if (res.code === 200) {
-          saveLoginInfo() // 保存登录信息
+          saveLoginInfo()
           ElMessage.success('登录成功')
           const redirect = (route.query.redirect as string) || '/'
           router.push(redirect)
         } else {
           ElMessage.error(res.message || '登录失败')
-          if (captchaEnabled.value) {
-            getCode()
-          }
-        }
-      } catch (error) {
-        if (captchaEnabled.value) {
-          getCode()
         }
+      } catch (error: any) {
+        ElMessage.error(error.message || '登录失败，请检查网络')
       } finally {
         loading.value = false
       }
@@ -132,7 +106,7 @@ function saveLoginInfo() {
   if (rememberMe.value) {
     const data = {
       username: loginForm.username,
-      password: btoa(loginForm.password), // base64 编码
+      password: btoa(loginForm.password),
       remember: true
     }
     localStorage.setItem(REMEMBER_KEY, JSON.stringify(data))
@@ -147,7 +121,7 @@ function loadLoginInfo() {
     try {
       const data = JSON.parse(saved)
       loginForm.username = data.username || ''
-      loginForm.password = data.password ? atob(data.password) : '' // base64 解码
+      loginForm.password = data.password ? atob(data.password) : ''
       rememberMe.value = data.remember ?? true
     } catch {
       localStorage.removeItem(REMEMBER_KEY)
@@ -156,11 +130,9 @@ function loadLoginInfo() {
 }
 
 onMounted(() => {
-  getCode()
   loadLoginInfo()
 })
 
-// 取消勾选时清除保存的信息
 watch(rememberMe, (val) => {
   if (!val) {
     localStorage.removeItem(REMEMBER_KEY)
@@ -179,8 +151,7 @@ function goHelp() {
   display: grid;
   grid-template-columns: 1fr;
   place-items: center;
-  background:
-    radial-gradient(1200px 600px at 100% 0%, rgba(102, 126, 234, 0.25), transparent 60%),
+  background: radial-gradient(1200px 600px at 100% 0%, rgba(102, 126, 234, 0.25), transparent 60%),
     radial-gradient(1000px 500px at 0% 100%, rgba(118, 75, 162, 0.25), transparent 60%),
     linear-gradient(135deg, #0f172a 0%, #111827 60%, #0b1220 100%);
   padding: 24px;
@@ -190,8 +161,7 @@ function goHelp() {
 .login__bg {
   position: absolute;
   inset: -10% -10% -10% -10%;
-  background:
-    radial-gradient(800px 400px at 50% -10%, rgba(59, 130, 246, 0.15), transparent 60%),
+  background: radial-gradient(800px 400px at 50% -10%, rgba(59, 130, 246, 0.15), transparent 60%),
     radial-gradient(700px 350px at 100% 100%, rgba(236, 72, 153, 0.12), transparent 60%);
   filter: blur(40px);
   pointer-events: none;
@@ -245,23 +215,6 @@ function goHelp() {
   }
 }
 
-.login__captcha {
-  display: flex;
-  width: 100%;
-  gap: 10px;
-  .el-input {
-    flex: 1;
-  }
-}
-.login__captcha-img {
-  width: 108px;
-  height: 44px;
-  border-radius: 8px;
-  border: 1px solid #e5e7eb;
-  background: #fff;
-  cursor: pointer;
-}
-
 .login__actions {
   display: flex;
   justify-content: space-between;