import com.atlassian.jira.component.ComponentAccessor

def groupManager = ComponentAccessor.groupManager
def currentUser = ComponentAccessor.jiraAuthenticationContext.loggedInUser

// 设置允许编辑该字段的组名
def allowedGroups = ["jira-system-administrators"]
def userInAllowedGroup = allowedGroups.any { groupName ->
    groupManager.isUserInGroup(currentUser, groupName)
}

// 设置允许编辑该字段的人
def allowedUsers = ["admin","10331347@qq.com"]
def userInAllowedUsers = allowedUsers.any { userName ->
    currentUser.username == userName
}

// 不属于指定组或指定人的禁止修改这个字段
if (!userInAllowedGroup && !userInAllowedUsers) {
    getFieldById("description").setReadOnly(true)
}