diff --git a/system-setting/backend/src/main/resources/db/migration/V131__2.3.0__release.sql b/system-setting/backend/src/main/resources/db/migration/V131__2.3.0__release.sql
index 4db2b101b5..9b984e950f 100644
--- a/system-setting/backend/src/main/resources/db/migration/V131__2.3.0__release.sql
+++ b/system-setting/backend/src/main/resources/db/migration/V131__2.3.0__release.sql
@@ -9,7 +9,7 @@ INSERT INTO system_parameter (param_key, param_value, type, sort) VALUES ('meter
 INSERT INTO system_parameter (param_key, param_value, type, sort) VALUES ('metersphere.module.track', 'ENABLE', 'text', 1);
 INSERT INTO system_parameter (param_key, param_value, type, sort) VALUES ('metersphere.module.project', 'ENABLE', 'text', 1);
 INSERT INTO system_parameter (param_key, param_value, type, sort) VALUES ('metersphere.module.setting', 'ENABLE', 'text', 1);
-INSERT INTO system_parameter (param_key, param_value, type, sort) VALUES ('base.grid.concurrency', '8', 'text', 1);
+INSERT INTO system_parameter (param_key, param_value, type, sort) VALUES ('base.grid.concurrency', '4', 'text', 1);
 
 DELETE FROM user_group_permission WHERE permission_id = 'WORKSPACE_PROJECT_MANAGER:READ+UPLOAD_JAR';