fix：盐度数据问题

cjl

2024-04-01 f30c1f3f760dc3a1f854a597f2b12aac2a433680

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{
  "a34004": "PM2_5",
  "a34002": "PM10",
  "a05024": "O3",
  "a21004": "NO2",
  "a21005": "CO",
  "a21026": "SO2"
}