Update README.md

README.md

-**异步任务处理 消息处理**
+异步任务处理 消息处理
 配置文件修改：复制config/comfig.toml.demo   config/config.toml
 
 config.toml
 
-[Liexin_databases]
+`[Liexin_databases]
 dns="liexin:liexin#zsyM@tcp(192.168.2.232:3306)/liexin?parseTime=true"
 
 [rabbitmq_ichunt]
@@ -11,9 +11,7 @@ queue_name="send_buyer_mail"
 routing_key="send_buyer_mail"
 exchange="ichunt_order_msg"
 type="direct"
-dns="amqp://guest:guest@192.168.2.232:5672/"
-
-
+dns="amqp://guest:guest@192.168.2.232:5672/"`