object类型
在field_value字段存储，数据存储格式：{"本期金额":{"value":"2,693,729,578.11","positions":[{"page":15,"left":{"x":0.31136685061933855,"y":1.0745219688161676},"right":{"x":0.40798933886217736,"y":1.096905513885738}}],"tags":["tag1","tag2"]},"上期金额":{"value":"3,636,054,655.20","positions":[{"page":15,"left":{"x":0.5007640289006553,"y":1.0751269294937236},"right":{"x":0.601234315347855,"y":1.096905513885738}}],,"tags":["tag1","tag2"]}}
string等类型
在field_tags字段存储，数据存储格式：["tag1","tag2"]
