remove sync recv, node cache msgs for sync recv.

lichao

2021-05-18 e54b8e58780c7d9f37b06cc4e1dc88badb2129c9

 .gitignore

@@ -10,4 +10,4 @@
*/help
*/bhshmqbox
*/bhshmq_status
api/go/bhome_msg/*.pb.go
.idea