Refactor login response handling and token management

components/kl-login/index.vue

@@ -211,8 +211,8 @@
       loading.value = true
       try {
         const res = await login(loginForm)
-        const { code, data, msg } = res
-        if (code !== 0) return ElMessage.error(msg)
+        const { code, data} = res
+        if (code === 0) {
           // 设置cookie
           tokenCookie.value = data.accessToken;
           // 更新state
@@ -229,6 +229,7 @@
           // 获取用户信息
           userStore.getUserInfo()
           // 登录成功
+        }
       } finally {
         loading.value = false
       }