diff --git a/epmet-plugins-module/pli-power-base/pli-power-base-server/src/main/resources/db/migration/V0.0.16__add_pli_rent_tenant_info_log.sql b/epmet-plugins-module/pli-power-base/pli-power-base-server/src/main/resources/db/migration/V0.0.16__add_pli_rent_tenant_info_log.sql
index dd689eb..99e285d 100644
--- a/epmet-plugins-module/pli-power-base/pli-power-base-server/src/main/resources/db/migration/V0.0.16__add_pli_rent_tenant_info_log.sql
+++ b/epmet-plugins-module/pli-power-base/pli-power-base-server/src/main/resources/db/migration/V0.0.16__add_pli_rent_tenant_info_log.sql
@@ -1,4 +1,4 @@
-ALTER TABLE epmet_pli_power.pli_rent_tenant_info ADD MZ varchar(1) DEFAULT NULL COMMENT '民族';
+ALTER TABLE epmet_pli_power.pli_rent_tenant_info ADD MZ varchar(64) DEFAULT NULL COMMENT '民族';
 ALTER TABLE epmet_pli_power.pli_rent_tenant_info ADD GENDER varchar(32) DEFAULT NULL COMMENT '性别';
 ALTER TABLE epmet_pli_power.pli_rent_tenant_info ADD BIRTHDAY varchar(32) DEFAULT NULL COMMENT '生日';
 ALTER TABLE epmet_pli_power.pli_rent_tenant_info ADD IS_VACCINATION varchar(1) DEFAULT NULL COMMENT '是否接种：0否1是';