diff --git a/backend/src/services/ConfigService.ts b/backend/src/services/ConfigService.ts
index 89e919a..b12713a 100644
--- a/backend/src/services/ConfigService.ts
+++ b/backend/src/services/ConfigService.ts
@@ -69,11 +69,25 @@ export class ConfigService {
    */
   async update(key: string, value: string, description?: string) {
     try {
-      // 更新数据库
-      await this.configRepository.upsert(
-        { key, value, description },
-        ['key']
-      )
+      // 先查找记录是否存在
+      const existingConfig = await this.configRepository.findOne({ where: { key } })
+      
+      if (existingConfig) {
+        // 记录存在，更新它
+        existingConfig.value = value
+        if (description !== undefined) {
+          existingConfig.description = description
+        }
+        await this.configRepository.save(existingConfig)
+      } else {
+        // 记录不存在，创建新记录
+        const newConfig = this.configRepository.create({
+          key,
+          value,
+          description
+        })
+        await this.configRepository.save(newConfig)
+      }
 
       // 更新缓存
       this.configCache[key] = value
diff --git a/frontend/src/store/config.ts b/frontend/src/store/config.ts
index 383f1fd..3de00aa 100644
--- a/frontend/src/store/config.ts
+++ b/frontend/src/store/config.ts
@@ -19,7 +19,7 @@ export const useConfigStore = defineStore('config', {
       this.error = null
       try {
         const response = await configApi.getAllConfigs()
-        this.configs = response.data
+        this.configs = response.data || {}
         return response
       } catch (error) {
         this.error = error
diff --git a/frontend/src/views/admin/Login.vue b/frontend/src/views/admin/Login.vue
index 83d3b5d..cb32a4d 100644
--- a/frontend/src/views/admin/Login.vue
+++ b/frontend/src/views/admin/Login.vue
@@ -14,7 +14,7 @@
         label-width="80px"
         class="login-form-inner"
       >
-        <el-form-item label="管理员账号" prop="username">
+        <el-form-item label="账号" prop="username">
           <el-input
               v-model="loginForm.username"
               placeholder="请输入管理员账号"
diff --git a/frontend/src/views/admin/SystemConfig.vue b/frontend/src/views/admin/SystemConfig.vue
index 1c36981..2071154 100644
--- a/frontend/src/views/admin/SystemConfig.vue
+++ b/frontend/src/views/admin/SystemConfig.vue
@@ -254,6 +254,12 @@ const loadSystemConfig = async () => {
     // 将获取到的配置映射到表单中
     if (response && response.success && response.data) {
       const configData = response.data
+      
+      // 处理布尔值转换
+      if (configData.maintenance_mode !== undefined) {
+        configData.maintenance_mode = configData.maintenance_mode === 'true' || configData.maintenance_mode === true
+      }
+      
       Object.assign(configForm, configData)
     }
   } catch (error) {
@@ -267,7 +273,9 @@ const handleSaveConfig = async () => {
   try {
     // 遍历配置表单，逐个保存配置项
     for (const [key, value] of Object.entries(configForm)) {
-      await configStore.updateConfig({ key, value })
+      // 处理布尔值转换为字符串
+      const saveValue = typeof value === 'boolean' ? value.toString() : value
+      await configStore.updateConfig({ key, value: saveValue })
     }
     
     ElMessage.success('配置保存成功')
diff --git a/sql/init_mysql.sql b/sql/init_mysql.sql
index e852c28..96faf69 100644
--- a/sql/init_mysql.sql
+++ b/sql/init_mysql.sql
@@ -47,17 +47,17 @@ ON DUPLICATE KEY UPDATE id = id;
 
 -- 插入系统配置
 INSERT INTO config (`key`, `value`, description) VALUES
-    ('website_name', '', '网站名称'),
-    ('admin_domain', '', '运营后台域名'),
-    ('player_domain', '', '玩家中心域名'),
-    ('server_host', '', '后端服务器主机地址'),
-    ('server_port', '', '后端服务器端口'),
-    ('game_api_url', '', '游戏服务API地址'),
-    ('game_psk', '', '游戏服务端的PSK'),
-    ('jwt_secret', '', 'JWT密钥'),
-    ('jwt_expires_in', '', 'JWT过期时间'),
-    ('jwt_refresh_secret', '', 'JWT刷新令牌密钥'),
-    ('jwt_refresh_expires_in', '', 'JWT刷新令牌过期时间'),
+    ('website_name', '梦幻西游WEB版', '网站名称'),
+    ('admin_domain', 'http://localhost:5173', '运营后台域名'),
+    ('player_domain', 'http://localhost:5173', '玩家中心域名'),
+    ('server_host', 'localhost', '后端服务器主机地址'),
+    ('server_port', '3000', '后端服务器端口'),
+    ('game_api_url', 'http://127.0.0.1:8080/tool/http', '游戏服务API地址'),
+    ('game_psk', 'THIS_IS_A_32_BYTE_FIXED_PSK!!!!!', '游戏服务端的PSK'),
+    ('jwt_secret', 'your_jwt_secret_key_here_change_in_production', 'JWT密钥'),
+    ('jwt_expires_in', '24h', 'JWT过期时间'),
+    ('jwt_refresh_secret', 'your_jwt_refresh_secret_key_here_change_in_production', 'JWT刷新令牌密钥'),
+    ('jwt_refresh_expires_in', '7d', 'JWT刷新令牌过期时间'),
     ('service_status', 'running', '服务运行状态'),
     ('maintenance_mode', 'false', '维护模式开关')
 ON DUPLICATE KEY UPDATE id = id;