Alter



See merge request !1

# Conflicts:
#	main.go

# Conflicts:
#	main.go
#	service/kafka_agent_sarama.go
#	service/kafka_sarama.go
#	service/msg_process.go
#	service/test.go

2. 更换debug的端口

2. 增加性能检测net/http/pprof
3. 日志文件创建不擦除旧日志.