diff --git a/数据库/2.7.3/更新-postgresql-kingbase-2.7.1升级到2.7.3.sql b/数据库/2.7.3/更新-postgresql-kingbase-2.7.1升级到2.7.3.sql
index e7ca6887f..289990058 100644
--- a/数据库/2.7.3/更新-postgresql-kingbase-2.7.1升级到2.7.3.sql
+++ b/数据库/2.7.3/更新-postgresql-kingbase-2.7.1升级到2.7.3.sql
@@ -137,11 +137,12 @@ create table IF NOT EXISTS wvp_device_channel
     gps_speed                    double precision,
     gps_altitude                 double precision,
     gps_direction                double precision,
-    index (data_type),
-    index (data_device_id),
     constraint uk_wvp_unique_channel unique (gb_device_id)
 );
 
+create index if not exists data_type on wvp_device_channel (data_type);
+create index if not exists data_device_id on wvp_device_channel (data_device_id);
+
 create table IF NOT EXISTS wvp_device_mobile_position
 (
     id              serial primary key,