2025-11-07 16:30:31,367 - ERROR - 数据库连接失败: connection to server at "localhost" (::1), port 5432 failed: Connection refused
	Is the server running on that host and accepting TCP/IP connections?
connection to server at "localhost" (127.0.0.1), port 5432 failed: Connection refused
	Is the server running on that host and accepting TCP/IP connections?

2025-11-07 16:30:31,367 - ERROR - 导入过程中发生错误: connection to server at "localhost" (::1), port 5432 failed: Connection refused
	Is the server running on that host and accepting TCP/IP connections?
connection to server at "localhost" (127.0.0.1), port 5432 failed: Connection refused
	Is the server running on that host and accepting TCP/IP connections?

2025-11-07 16:30:31,367 - INFO - 数据库连接已关闭