fixed unit-manager.js bug of previous commit
fixed unit-manager.js bug of previous commit

kyungmi/webida-server,gotchazipc/webida-server,webida/webida-server,kyungmi/webida-server,webida/webida-server,gotchazipc/webida-server,kyungmi/webida-server,gotchazipc/webida-server,webida/webida-server,gotchazipc/webida-server,kyungmi/webida-server,webida/webida-server