update default user

backend/src/main/resources/db/migration/V3__init_data.sql

 INSERT INTO user (id, name, email, password, status, create_time, update_time, language, last_workspace_id, last_organization_id, phone)
-VALUES ('admin', 'Administrator', 'admin@fit2cloud.com', md5('fit2cloud'), '1', 1582597567455, 1582597567455, null, '', null, null);
+VALUES ('admin', 'Administrator', 'admin@metersphere.io', md5('metersphere'), '1', 1582597567455, 1582597567455, null, '', null, null);
 
 INSERT INTO user_role (id, user_id, role_id, source_id, create_time, update_time)
 VALUES (uuid(), 'admin', 'admin', '1', 1581576575948, 1581576575948);
@@ -18,4 +18,4 @@ VALUES ('test_viewer', 'Viewer', NULL, NULL, 1581576575948, 1581576575948);
 INSERT INTO test_case_report_template (id, name, content)
 VALUES (uuid(), 'default', '{\"components\": [1,2,3,4,5]}');
 INSERT INTO system_parameter (param_key, param_value, type, sort)
-VALUES ('default.language', 'zh_CN', 'text', 5);
\ No newline at end of file
+VALUES ('default.language', 'zh_CN', 'text', 5);