diff --git a/backend/framework/domain/src/main/resources/migration/3.0.0/ddl/V3.0.0_11__system_setting.sql b/backend/framework/domain/src/main/resources/migration/3.0.0/ddl/V3.0.0_11__system_setting.sql
index 89d405eb16..991a638a73 100644
--- a/backend/framework/domain/src/main/resources/migration/3.0.0/ddl/V3.0.0_11__system_setting.sql
+++ b/backend/framework/domain/src/main/resources/migration/3.0.0/ddl/V3.0.0_11__system_setting.sql
@@ -318,8 +318,7 @@ CREATE INDEX idx_update_time ON organization (`update_time` desc);
 CREATE INDEX idx_deleted ON organization (`deleted`);
 CREATE INDEX idx_update_user ON organization(`update_user`);
 
-DROP TABLE IF EXISTS user_extend;
-CREATE TABLE user_extend
+CREATE TABLE IF NOT EXISTS user_extend
 (
     `id`            VARCHAR(50) NOT NULL COMMENT '用户ID',
     `platform_info` BLOB COMMENT '其他平台对接信息',