fix re-register fail.

lichao

2021-05-18 b4a8d1632c2b4a3d4dc6e03d732fa3e93fd0731e

 .gitignore

@@ -6,7 +6,8 @@
utest/utest
*.bak
gmon.out
box/bhshmqbox
box/bhshmq_center
box/help
utest/bhshmq_center
*/bhshmq_center
*/help
*/bhshmqbox
*/bhshmq_status
.idea