message: hotfix for date issue
diff: @@ -297,7 +297,7 @@ export const EnvironmentModel = (clients) => {
  "min_doc_count": 0,
  "extended_bounds": {
  "min": `${interested_year_month}-01`,
  - "max": `${interested_year_month}-31` // elasticsearch is clever enough to realize if a month does not have 31 days.
  + "max": `${interested_year_month}-30` // elasticsearch is clever enough to realize if a month does not have 31 days.
  }
  },
  "aggs": {
  