diff --git a/source/libs/function/src/builtinsimpl.c b/source/libs/function/src/builtinsimpl.c
index 01f81c9a99..a8ecd9b0a2 100644
--- a/source/libs/function/src/builtinsimpl.c
+++ b/source/libs/function/src/builtinsimpl.c
@@ -3353,7 +3353,7 @@ int32_t spreadFunction(SqlFunctionCtx* pCtx) {
       goto _spread_over;
     }
     double tmin = 0.0, tmax = 0.0;
-    if (IS_SIGNED_NUMERIC_TYPE(type)) {
+    if (IS_SIGNED_NUMERIC_TYPE(type) || IS_TIMESTAMP_TYPE(type)) {
       tmin = (double)GET_INT64_VAL(&pAgg->min);
       tmax = (double)GET_INT64_VAL(&pAgg->max);
     } else if (IS_FLOAT_TYPE(type)) {
diff --git a/tests/script/tsim/parser/last_cache.sim b/tests/script/tsim/parser/last_cache.sim
index ef7215d6e9..3f1a29d928 100644
--- a/tests/script/tsim/parser/last_cache.sim
+++ b/tests/script/tsim/parser/last_cache.sim
@@ -53,6 +53,7 @@ sql insert into tbc values ("2021-05-11 10:12:29",36,  37, NULL, -4005)
 sql insert into tbd values ("2021-05-11 10:12:29",NULL,NULL,NULL,NULL )
 
 run tsim/parser/last_cache_query.sim
+
 sql flush database $db
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
 
diff --git a/tests/script/tsim/parser/limit1.sim b/tests/script/tsim/parser/limit1.sim
index d1a75f3ba9..bae5eba7a4 100644
--- a/tests/script/tsim/parser/limit1.sim
+++ b/tests/script/tsim/parser/limit1.sim
@@ -55,6 +55,7 @@ print ====== tables created
 run tsim/parser/limit1_tb.sim
 run tsim/parser/limit1_stb.sim
 
+sql flush database $db
 print ================== restart server to commit data into disk
 system sh/exec.sh -n dnode1 -s stop -x SIGINT
 system sh/exec.sh -n dnode1 -s start