diff --git a/source/libs/planner/src/planOptimizer.c b/source/libs/planner/src/planOptimizer.c
index 2963b3123e34412eea7b64916fa51cfe577cb28c..0b38cdb3ba25c8b7d4b78be1cf7c0cab8037e560 100644
--- a/source/libs/planner/src/planOptimizer.c
+++ b/source/libs/planner/src/planOptimizer.c
@@ -2477,7 +2477,7 @@ static const SOptimizeRule optimizeRuleSet[] = {
   {.pName = "RewriteUnique",              .optimizeFunc = rewriteUniqueOptimize},
   {.pName = "LastRowScan",                .optimizeFunc = lastRowScanOptimize},
   {.pName = "TagScan",                    .optimizeFunc = tagScanOptimize},
-  {.pName = "PushDownLimit",              .optimizeFunc = pushDownLimitOptimize}
+  // {.pName = "PushDownLimit",              .optimizeFunc = pushDownLimitOptimize}
 };
 // clang-format on
 
diff --git a/tests/script/tsim/user/privilege_sysinfo.sim b/tests/script/tsim/user/privilege_sysinfo.sim
index 1614c3be5537579ff8dcdbe09db598be8363c946..75136be90e8661ffb84fd656c5634e045d9c44d8 100644
--- a/tests/script/tsim/user/privilege_sysinfo.sim
+++ b/tests/script/tsim/user/privilege_sysinfo.sim
@@ -137,10 +137,9 @@ sql_error show create database d2
 sql       show create table d2.stb2;
 sql       show create table d2.ctb2;
 sql       show create table d2.ntb2;
-sql_error show variables;
 sql       show local variables;
 sql_error show dnode 1 variables;
-sql_error show variables;
+sql       show variables;
 
 
 print =============== check information_schema