ES新增字段

# 新增两个字段current_company、university、rcn_channel_id 
PUT /rcn_document_test2/_mapping
{
    "properties": {
        "rcn_channel_id": {
            "type": "integer"
        },
        "current_company": {
            "type": "text"
        },
        "university": {
            "type": "text"
        }
    }
}