diff --git a/sec-beidou/src/main/resources/db/schema.sql b/sec-beidou/src/main/resources/db/schema.sql
index 3dc7f2dd..a6348ba2 100644
--- a/sec-beidou/src/main/resources/db/schema.sql
+++ b/sec-beidou/src/main/resources/db/schema.sql
@@ -334,4 +334,4 @@ CREATE TABLE IF NOT EXISTS `gnssdevicesinglerecords` (
    PRIMARY KEY (`id`),
    KEY `idx_deviceid_createtime` (`deviceid`,`createtime`),
    KEY `idx_createtime` (`createtime`)
-) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_0900_ai_ci COMMENT='GNSS单次解算记录表';
\ No newline at end of file
+) ENGINE=InnoDB AUTO_INCREMENT=6 DEFAULT CHARSET=utf8 COMMENT='GNSS单次解算记录表';
\ No newline at end of file