style: 更新mod依赖

README.md

@@ -122,4 +122,10 @@ sudo /usr/local/omc/bin/setomc.sh -m install -c agt
 
 # 数据库导入
 mysql -uroot -p1000omc@kp! -P 33066 --protocol tcp -D omc_db < u_user_info.sql
+
+# 数据库数据临时备份
+SELECT COUNT(1) FROM cdr_event_smsc WHERE TIMESTAMP >= 173972159
+CREATE TABLE cdr_event_smsc_bak LIKE cdr_event_smsc
+INSERT INTO cdr_event_smsc_bak SELECT * FROM cdr_event_smsc WHERE TIMESTAMP <= 1739540000 
+DELETE FROM cdr_event_smsc WHERE TIMESTAMP <= 1739540000 
 ```