diff --git a/sql/init.sql b/sql/init.sql
index 3dfb254..ae77a4c 100644
--- a/sql/init.sql
+++ b/sql/init.sql
@@ -64,3 +64,11 @@ CREATE TABLE `n_sensor` (
   PRIMARY KEY (`id`),
   KEY `idxSensor` (`sensor_code`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='监测装置表';
+CREATE TABLE `unit` (
+  `id` int(11) NOT NULL AUTO_INCREMENT,
+  `field` varchar(45) DEFAULT NULL COMMENT '字段名',
+  `unit` varchar(45) DEFAULT NULL COMMENT '单位',
+  PRIMARY KEY (`id`)
+) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='计量单位';
+
+INSERT INTO `unit` VALUES (5,'Density','Kg/m3'),(6,'Temperature','°C'),(7,'Pressure20C','MPa'),(8,'H2','UL/L'),(9,'CH4','UL/L'),(10,'C2H6','UL/L'),(11,'C2H4','UL/L'),(12,'C2H2','UL/L'),(13,'CO','UL/L'),(14,'CO2','UL/L'),(15,'O2','UL/L'),(16,'N2','UL/L'),(17,'TotalHydrocarbon','UL/L'),(18,'MaxTmp','°C'),(19,'MinTmp','°C'),(20,'AvgTmp','°C'),(21,'AbsolutePressure','MPa'),(22,'Moisture','u L/L'),(23,'FullCurrent','mA'),(24,'CableCurrent','A'),(25,'ResistiveCurrent','mA'),(26,'CapacitiveCurrent','mA'),(27,'Capacitance','pf'),(28,'DielectricLoss','%'),(29,'Concentration','ppm'),(30,'O2Content','%'),(31,'Humidity','%');