fix(system): 纠正Redis CURD批量获取方法参数传递问题

- 修正了RedisCURD.mget调用时传递keys参数的方式，去除多余的展开运算符
- 删除了无用的UpdateSystemParamsSchema定义，简化参数模型代码
- 更新系统初始化配置获取逻辑，统一修正mget的keys传递方式
- 调整系统初始化配置json数据，完善帮助文档、隐私政策、用户协议等字段
- 修改开发环境数据库配置，切换为PostgreSQL并更新相应端口及用户信息
- 删除冗余MySQL数据库备份脚本，避免版本管理中的重复和混乱

backend/app/api/v1/module_monitor/online/service.py

@@ -21,7 +21,7 @@ class OnlineService:
         """
 
         keys = await RedisCURD(redis).get_keys(f"{RedisInitKeyConfig.ACCESS_TOKEN.key}:*")
-        tokens = await RedisCURD(redis).mget(*keys)
+        tokens = await RedisCURD(redis).mget(keys)
 
         online_users = []
         for token in tokens:

backend/app/api/v1/module_system/params/schema.py

@@ -24,18 +24,3 @@ class ParamsUpdateSchema(ParamsCreateSchema):
 class ParamsOutSchema(ParamsCreateSchema, BaseSchema):
     """配置响应模型"""
     model_config = ConfigDict(from_attributes=True)
-
-
-class UpdateSystemParamsSchema(BaseModel):
-    """更新系统配置"""
-    sys_web_title: str = Field(description="网站标题") 
-    sys_web_description: str = Field(description="网站描述")
-    sys_web_favicon: str = Field(description="网站图标")
-    sys_web_logo: str = Field(description="网站logo")
-    sys_login_background: str = Field(description="登录背景")
-    sys_web_copyright: str = Field(description="版权信息")
-    sys_keep_record: str = Field(description="备案号")
-    sys_help_doc: str = Field(description="帮助文档")
-    sys_web_privacy: str = Field(description="隐私条款")
-    sys_web_clause: str = Field(description="用户协议")
-    sys_git_code: str = Field(description="源码地址")

backend/app/api/v1/module_system/params/service.py

@@ -17,7 +17,7 @@ from app.core.exceptions import CustomException
 from app.core.logger import logger
 from ..auth.schema import AuthSchema
 from .param import ParamsQueryParam
-from .schema import ParamsOutSchema, ParamsUpdateSchema, ParamsCreateSchema, UpdateSystemParamsSchema
+from .schema import ParamsOutSchema, ParamsUpdateSchema, ParamsCreateSchema
 from .crud import ParamsCRUD
 
 
@@ -204,7 +204,7 @@ class ParamsService:
     async def get_init_config_service(cls, redis: Redis) -> List[Dict]:
         """获取系统配置"""
         redis_keys = await RedisCURD(redis).get_keys(f"{RedisInitKeyConfig.SYSTEM_CONFIG.key}:*")
-        redis_configs = await RedisCURD(redis).mget(*redis_keys)
+        redis_configs = await RedisCURD(redis).mget(redis_keys)
         configs = []
         for config in redis_configs:
             if not config: