diff --git a/src/mnode/src/mnodeDb.c b/src/mnode/src/mnodeDb.c
index 39a0c03008..69e8f076e9 100644
--- a/src/mnode/src/mnodeDb.c
+++ b/src/mnode/src/mnodeDb.c
@@ -250,7 +250,7 @@ static int32_t mnodeCheckDbCfg(SDbCfg *pCfg) {
   }
 
   if (pCfg->daysToKeep2 < TSDB_MIN_KEEP || pCfg->daysToKeep2 > pCfg->daysToKeep) {
-    mError("invalid db option daysToKeep2:%d valid range: [%d, %d]", pCfg->daysToKeep, TSDB_MIN_KEEP, pCfg->daysToKeep);
+    mError("invalid db option daysToKeep2:%d valid range: [%d, %d]", pCfg->daysToKeep2, TSDB_MIN_KEEP, pCfg->daysToKeep);
     return TSDB_CODE_MND_INVALID_DB_OPTION_KEEP;
   }
 
diff --git a/tests/script/general/db/alter_option.sim b/tests/script/general/db/alter_option.sim
index c8aa2480c5..1c3f543ffd 100644
--- a/tests/script/general/db/alter_option.sim
+++ b/tests/script/general/db/alter_option.sim
@@ -115,31 +115,31 @@ if $data7_db != 20,20,20 then
   return -1
 endi
 
-sql alter database db keep 10
-sql show databases
-print keep $data7_db
-if $data7_db != 20,20,10 then 
-  return -1
-endi
-
 sql alter database db keep 20
 sql show databases
 print keep $data7_db
-if $data7_db != 20,20,20 then 
+if $data7_db != 20,20,20 then
   return -1
 endi
 
 sql alter database db keep 30
 sql show databases
 print keep $data7_db
-if $data7_db != 20,20,30 then 
+if $data7_db != 20,20,30 then
+  return -1
+endi
+
+sql alter database db keep 40
+sql show databases
+print keep $data7_db
+if $data7_db != 20,20,40 then
   return -1
 endi
 
 sql alter database db keep 40
 sql alter database db keep 30
 sql alter database db keep 20
-sql alter database db keep 10
+sql_error alter database db keep 10
 sql_error alter database db keep 9
 sql_error alter database db keep 1
 sql alter database db keep 0
@@ -277,4 +277,4 @@ sql_error alter database db prec 'us'
 print ============== step status
 sql_error alter database db status 'delete'
 
-system sh/exec.sh -n dnode1 -s stop -x SIGINT
\ No newline at end of file
+system sh/exec.sh -n dnode1 -s stop -x SIGINT