diff --git a/tests/script/tsim/alter/cached_schema_after_alter.sim b/tests/script/tsim/alter/cached_schema_after_alter.sim
index bd2b1d272c..30b879b612 100644
--- a/tests/script/tsim/alter/cached_schema_after_alter.sim
+++ b/tests/script/tsim/alter/cached_schema_after_alter.sim
@@ -14,7 +14,7 @@ print ========== cached_schema_after_alter.sim
 
 sql drop database $db -x step1
 step1:
-sql create database $db 
+sql create database $db
 print ====== create tables
 sql use $db
 
@@ -32,10 +32,10 @@ if $rows != 1 then
 endi
 if $data01 != 1 then
   return -1
-endi 
+endi
 if $data02 != 1 then
   return -1
-endi 
+endi
 
 sql select * from $tb2
 if $rows != 1 then
@@ -43,10 +43,10 @@ if $rows != 1 then
 endi
 if $data01 != 1 then
   return -1
-endi 
+endi
 if $data02 != 1 then
   return -1
-endi 
+endi
 
 print ================== restart server to commit data into disk
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
@@ -61,10 +61,10 @@ if $rows != 1 then
 endi
 if $data01 != 1 then
   return -1
-endi 
+endi
 if $data02 != 1 then
   return -1
-endi 
+endi
 
 sql select * from $tb2
 print select * from $tb2 ==> $data00 $data01 $data02
@@ -73,10 +73,10 @@ if $rows != 1 then
 endi
 if $data01 != 1 then
   return -1
-endi 
+endi
 if $data02 != 1 then
   return -1
-endi 
+endi
 
 $ts = $ts0 + $delta
 sql insert into $tb2 values ( $ts , 2, 2)
@@ -86,16 +86,16 @@ if $rows != 2 then
 endi
 if $data01 != 1 then
   return -1
-endi 
+endi
 if $data02 != 1 then
   return -1
-endi 
+endi
 if $data11 != 2 then
   return -1
-endi 
+endi
 if $data12 != 2 then
   return -1
-endi 
+endi
 
 sql select * from $tb2 order by ts asc
 if $rows != 2 then
@@ -103,15 +103,15 @@ if $rows != 2 then
 endi
 if $data01 != 1 then
   return -1
-endi 
+endi
 if $data02 != 1 then
   return -1
-endi 
+endi
 if $data11 != 2 then
   return -1
-endi 
+endi
 if $data12 != 2 then
   return -1
-endi 
+endi
 
-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
diff --git a/tests/script/tsim/alter/dnode.sim b/tests/script/tsim/alter/dnode.sim
index d773c1f8a9..be3c385d45 100644
--- a/tests/script/tsim/alter/dnode.sim
+++ b/tests/script/tsim/alter/dnode.sim
@@ -3,7 +3,7 @@ system sh/deploy.sh -n dnode1 -i 1
 system sh/exec.sh -n dnode1 -s start
 sql connect
 
-print ======== step1 
+print ======== step1
 sql alter dnode 1 'resetlog'
 sql alter dnode 1 'monitor' '1'
 sql alter dnode 1 'monitor' '0'
@@ -65,4 +65,4 @@ sql alter dnode 1 balance "vnode:2-dnode:1" -x step4
 step4:
 
 print ======= over
-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
diff --git a/tests/script/tsim/alter/table.sim b/tests/script/tsim/alter/table.sim
index 48ab7ddab0..dccfc7f5d6 100644
--- a/tests/script/tsim/alter/table.sim
+++ b/tests/script/tsim/alter/table.sim
@@ -3,7 +3,7 @@ system sh/deploy.sh -n dnode1 -i 1
 system sh/exec.sh -n dnode1 -s start
 sql connect
 
-print ======== step1 
+print ======== step1
 sql create database d1
 sql use d1
 sql create table tb (ts timestamp, a int)