refine --help result (#151)

* add a OB_FAIL for ret check * refine --help result
2021-07-13 21:57:19 +08:00
parent 9c55a2becf
commit 42a6e1268b
1 changed files with 1 additions and 0 deletions
--- a/src/observer/main.cpp
+++ b/src/observer/main.cpp
@ -58,6 +58,7 @@ static void print_help()
 {
  MPRINT("observer [OPTIONS]");
  MPRINT("  -h,--help                print this help");
+  MPRINT("  -v,--version             print the information of version");
  MPRINT("  -z,--zone ZONE           zone");
  MPRINT("  -p,--mysql_port PORT     mysql port");
  MPRINT("  -P,--rpc_port PORT       rpc port");