diff --git a/src/inc/taosdef.h b/src/inc/taosdef.h
index 8b82e1f14992d614ceebc59598732e8573ddb8df..6de7f672913f7adb94ac2fc853b2596480e2a4cb 100644
--- a/src/inc/taosdef.h
+++ b/src/inc/taosdef.h
@@ -209,8 +209,8 @@ void tsDataSwap(void *pLeft, void *pRight, int32_t type, int32_t size);
 #define TSDB_MAX_SQL_SHOW_LEN     256
 #define TSDB_MAX_ALLOWED_SQL_LEN  (8*1024*1024U)          // sql length should be less than 8mb
 
-#define TSDB_MAX_BYTES_PER_ROW    65535
-#define TSDB_MAX_TAGS_LEN         65535
+#define TSDB_MAX_BYTES_PER_ROW    16384
+#define TSDB_MAX_TAGS_LEN         16384
 #define TSDB_MAX_TAGS             128
 
 #define TSDB_AUTH_LEN             16
diff --git a/tests/script/general/parser/alter.sim b/tests/script/general/parser/alter.sim
index 018ee924d18f0c7748c9ce07cb37b27460439d3c..6b28b20fb87d3983fc93a055505415ffa56ac946 100644
--- a/tests/script/general/parser/alter.sim
+++ b/tests/script/general/parser/alter.sim
@@ -114,46 +114,46 @@ sql drop table tb
 sql drop table mt
 
 sleep 3000
-## ALTER TABLE WHILE STREAMING [TBASE271]
-sql create table tb1 (ts timestamp, c1 int, c2 nchar(5), c3 int)
-sql create table strm as select count(*), avg(c1), first(c2), sum(c3) from tb1 interval(2s)
-sql select * from strm
-if $rows != 0 then
-  return -1
-endi
-#sleep 12000
-sql insert into tb1 values (now, 1, 'taos', 1)
-sleep 20000
-sql select * from strm
-print rows = $rows
-if $rows != 1 then
-  return -1
-endi
-if $data04 != 1 then
-  return -1
-endi
-sql alter table tb1 drop column c3 
-sleep 6000
-sql insert into tb1 values (now, 2, 'taos')
-sleep 30000
-sql select * from strm
-if $rows != 2 then
-   return -1
-endi
-if $data04 != 1 then
-  return -1
-endi
-sql alter table tb1 add column c3 int
-sleep 6000
-sql insert into tb1 values (now, 3, 'taos', 3);
-sleep 3000
-sql select * from strm
-if $rows != 3 then
-   return -1
-endi
-if $data04 != 1 then
-  return -1
-endi
+### ALTER TABLE WHILE STREAMING [TBASE271]
+#sql create table tb1 (ts timestamp, c1 int, c2 nchar(5), c3 int)
+#sql create table strm as select count(*), avg(c1), first(c2), sum(c3) from tb1 interval(2s)
+#sql select * from strm
+#if $rows != 0 then
+#  return -1
+#endi
+##sleep 12000
+#sql insert into tb1 values (now, 1, 'taos', 1)
+#sleep 20000
+#sql select * from strm
+#print rows = $rows
+#if $rows != 1 then
+#  return -1
+#endi
+#if $data04 != 1 then
+#  return -1
+#endi
+#sql alter table tb1 drop column c3
+#sleep 6000
+#sql insert into tb1 values (now, 2, 'taos')
+#sleep 30000
+#sql select * from strm
+#if $rows != 2 then
+#   return -1
+#endi
+#if $data04 != 1 then
+#  return -1
+#endi
+#sql alter table tb1 add column c3 int
+#sleep 6000
+#sql insert into tb1 values (now, 3, 'taos', 3);
+#sleep 3000
+#sql select * from strm
+#if $rows != 3 then
+#   return -1
+#endi
+#if $data04 != 1 then
+#  return -1
+#endi
 
 ## ALTER TABLE AND INSERT BY COLUMNS
 sql create table mt (ts timestamp, c1 int, c2 int) tags(t1 int)
diff --git a/tests/script/general/parser/testSuite.sim b/tests/script/general/parser/testSuite.sim
index f288288fb7162760e0e3c747ab3e136ba56ea13f..31acaad1432559662584d777027ec1082a4e7373 100644
--- a/tests/script/general/parser/testSuite.sim
+++ b/tests/script/general/parser/testSuite.sim
@@ -82,26 +82,22 @@ sleep 2000
 run general/parser/groupby.sim
 sleep 2000
 run general/parser/set_tag_vals.sim
-
 sleep 2000
 run general/parser/slimit_alter_tags.sim  # persistent failed
-
 sleep 2000
 run general/parser/join.sim
 sleep 2000
 run general/parser/join_multivnode.sim
-
 sleep 2000
-#run general/parser/repeatAlter.sim
-sleep 2000
-#run general/parser/repeatStream.sim
-
+run general/parser/repeatAlter.sim
 sleep 2000
 run general/parser/binary_escapeCharacter.sim
 sleep 2000
 run general/parser/bug.sim
 
-sleep 2000
-run general/parser/stream_on_sys.sim
-sleep 2000
-run general/parser/stream.sim
\ No newline at end of file
+#sleep 2000
+#run general/parser/repeatStream.sim
+#sleep 2000
+#run general/parser/stream_on_sys.sim
+#sleep 2000
+#run general/parser/stream.sim
\ No newline at end of file
diff --git a/tests/script/jenkins/basic.txt b/tests/script/jenkins/basic.txt
index 3e6d245af93039c326977d2073f3de50422463bd..b33ee206d06cc54ae0e80bfc192e1e8bde44e266 100644
--- a/tests/script/jenkins/basic.txt
+++ b/tests/script/jenkins/basic.txt
@@ -100,9 +100,9 @@ cd ../../../debug; make
 ./test.sh -f general/insert/query_multi_file.sim
 ./test.sh -f general/insert/tcp.sim
 
-#unsupport ./test.sh -f general/parser/alter.sim
-#unsupport ./test.sh -f general/parser/alter1.sim
-#unsupport ./test.sh -f general/parser/alter_stable.sim
+./test.sh -f general/parser/alter.sim
+./test.sh -f general/parser/alter1.sim
+./test.sh -f general/parser/alter_stable.sim
 ./test.sh -f general/parser/auto_create_tb.sim
 ./test.sh -f general/parser/auto_create_tb_drop_tb.sim
 ./test.sh -f general/parser/col_arithmetic_operation.sim
@@ -139,15 +139,15 @@ cd ../../../debug; make
 ./test.sh -f general/parser/fill_stb.sim
 ./test.sh -f general/parser/interp.sim
 ./test.sh -f general/parser/where.sim
-#unsupport ./test.sh -f general/parser/join.sim
-#unsupport ./test.sh -f general/parser/join_multivnode.sim
+./test.sh -f general/parser/join.sim
+./test.sh -f general/parser/join_multivnode.sim
 ./test.sh -f general/parser/select_with_tags.sim
-#unsupport ./test.sh -f general/parser/groupby.sim
-#unsupport ./test.sh -f general/parser/bug.sim
-#unsupport ./test.sh -f general/parser/tags_dynamically_specifiy.sim
-#unsupport ./test.sh -f general/parser/set_tag_vals.sim
-#unsupport ./test.sh -f general/parser/repeatAlter.sim
-#unsupport ./test.sh -f general/parser/slimit_alter_tags.sim
+./test.sh -f general/parser/groupby.sim
+./test.sh -f general/parser/bug.sim
+./test.sh -f general/parser/tags_dynamically_specifiy.sim
+./test.sh -f general/parser/set_tag_vals.sim
+./test.sh -f general/parser/slimit_alter_tags.sim
+./test.sh -f general/parser/repeatAlter.sim
 #unsupport ./test.sh -f general/parser/stream_on_sys.sim
 #unsupport ./test.sh -f general/parser/stream.sim
 #unsupport ./test.sh -f general/parser/repeatStream.sim