diff --git a/sec-beidou/src/main/resources/db/schema.sql b/sec-beidou/src/main/resources/db/schema.sql
index 1788670e..d35646a3 100644
--- a/sec-beidou/src/main/resources/db/schema.sql
+++ b/sec-beidou/src/main/resources/db/schema.sql
@@ -63,7 +63,7 @@ CREATE TABLE IF NOT EXISTS `gnssdevices` (
     `ecefx` double DEFAULT NULL COMMENT '初始位置X',
     `ecefy` double DEFAULT NULL COMMENT '初始位置Y',
     `ecefz` double DEFAULT NULL COMMENT '初始位置Z',
-    `section` varchar(64) DEFAULT NULL COMMENT '桩号',
+    `sector` varchar(64) DEFAULT NULL COMMENT '桩号',
     `appver` varchar(16) DEFAULT NULL COMMENT '固件版本',
     `imei` varchar(16) DEFAULT NULL,
     `model` smallint DEFAULT 0,
@@ -166,7 +166,7 @@ CREATE TABLE IF NOT EXISTS `gnssdevicelocationrecords` (
     `auxd` double DEFAULT NULL COMMENT '中间过程天D',
     `pps` int DEFAULT NULL,
     PRIMARY KEY (`id`),
-    KEY `idx_deviceid_time` (`deviceid`,`createtime`) USING BTREE
+    KEY `idx_deviceid_time` (`createtime` desc,`deviceid`) USING BTREE
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_general_ci;
 
 CREATE TABLE IF NOT EXISTS `gnssmsg` (