diff --git a/数据库/oracle/归档日志及备份处理.md b/数据库/oracle/归档日志及备份处理.md
index 6a39061..de72588 100644
--- a/数据库/oracle/归档日志及备份处理.md
+++ b/数据库/oracle/归档日志及备份处理.md
@@ -1,3 +1,4 @@
+# 归档
 ## 关闭归档
 ```sql
 archive log list; #查看是否是归档方式
@@ -70,38 +71,33 @@ select sum(percent_space_used)*3/100 from v$flash_recovery_area_usage;
 ```sql
 ALTER SYSTEM SET DB_RECOVERY_FILE_DEST_SIZE=8g;
 ```
-
-## rman清理日志
+## rman登录
 ```sql
 rman target /
 ```
 ## 删除过期归档日志
 ```sql
+# 检查日志
 crosscheck archivelog all;
+# 删除提示
 delete expired archivelog all;
+# 无删除提示
+delete noprompt expired archivelog all;
+```
+## 刪除所有的Archivelog files
+```sql
+delete archivelog all;　
 ```
 ## 删除昨天以前的归档日志
 ```sql
+# 无删除提示
 delete noprompt archivelog until time  'sysdate-1';
-```
-
-# 其他
-## 显示rman配置
-```sql
-show all;
-```
-## 报告目标数据库的物理结构
-```sql
-report schema;
-```
-## 报告陈旧备份
-```sql
-report obsolete;
-```
-## 报告不可恢复的数据文件
-```sql
-report unrecoverable;
-```
+# 强制删除昨天之前的日志
+delete force archivelog until time 'sysdate-1';
+# 无提示强制删除昨天之前的日志
+delete noprompt  force archivelog until time 'sysdate -1';
+``
+# 备份
 ## 列出备份信息
 ```sql
 list backup;
@@ -121,24 +117,6 @@ crosscheck backup of controlfile;
 crosscheck backup of spfile;
 crosscheck backup of archivelog all;
 ```
-## 校验没有备份过的归档日志
-```sql
-crosscheck archivelog all;
-delete noprompt expired archivelog all;
-```
-## 刪除所有的Archivelog files
-```sql
-delete archivelog all;　
-```
-## 強制刪除昨天以前的archivelog files
-```sql
-delete force archivelog until time 'sysdate -1';
-delete noprompt  force archivelog until time 'sysdate -2';
-```
-## 刪除所有过期的Archivelog files
-```sql
-delete expired archivelog all;
-```
 ##  删除陈旧备份
 ```sql
 delete obsolete;
@@ -167,6 +145,24 @@ change backupset id nokeep;
 ```sql
 configure retention policy to recovery window of 30 days;
 ```
+
+# 其他
+## 显示rman配置
+```sql
+show all;
+```
+## 报告目标数据库的物理结构
+```sql
+report schema;
+```
+## 报告陈旧备份
+```sql
+report obsolete;
+```
+## 报告不可恢复的数据文件
+```sql
+report unrecoverable;
+```
 ## 改为基于冗余数量的备份
 ```sql
 configure retention policy to redundancy  n ;
@@ -175,7 +171,3 @@ configure retention policy to redundancy  n ;
 ```sql
 configure retention policy to none;
 ```
-## 设置归档日志存放在其它位置
-```sql
-set archivelog destination to 'e: emp';
-```
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