allow tcp request with no dest, auto query topic.

lichao

2021-06-04 903b27f875e5f2a872c1b309f354b18c0450f35a

 .gitignore

@@ -9,4 +9,5 @@
*/bhshmq_center
*/help
*/bhshmqbox
*/bhshmq_status
*/bhshmq_status
.idea