diff --git a/sec-beidou/src/main/resources/db/schema.sql b/sec-beidou/src/main/resources/db/schema.sql
index 39558046..ef84528e 100644
--- a/sec-beidou/src/main/resources/db/schema.sql
+++ b/sec-beidou/src/main/resources/db/schema.sql
@@ -361,7 +361,7 @@ CREATE TABLE IF NOT EXISTS `simcards` (
     `used` DECIMAL(10,2) DEFAULT 0.00 COMMENT '已用流量，单位为MB，保留两位小数',
     PRIMARY KEY (`id`),
     UNIQUE KEY `uk_iccid` (`iccid`),
-    UNIQUE KEY `uk_msisd` (`msisd`),
+    UNIQUE KEY `uk_msisd` (`msisdn`),
     INDEX `idx_deviceid` (`deviceid`),
     INDEX `idx_status` (`status`)
     ) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COMMENT='SIM卡信息表';