diff --git a/backUpDB.sh b/backUpDB.sh
index 0a0b53e..309e63c 100755
--- a/backUpDB.sh
+++ b/backUpDB.sh
@@ -8,7 +8,7 @@ dbName=$5
 backUpPath=$6
 ossPath=$7
 
-protal=oss
+protol=oss
 
 PATH=PATH:/usr/bin:/usr/sbin:/usr/local/bin