diff --git a/source/libs/parser/src/parTranslater.c b/source/libs/parser/src/parTranslater.c
index fe4b462d80..effad91546 100755
--- a/source/libs/parser/src/parTranslater.c
+++ b/source/libs/parser/src/parTranslater.c
@@ -3222,24 +3222,24 @@ static bool selectCommonType(SDataType* commonType, const SDataType* newType) {
 
   // type 6, float >= float, bool, tinyint, smallint, utinyint, usmallint
   if ((commonType->type == TSDB_DATA_TYPE_FLOAT &&
-       ((newType->type >= TSDB_DATA_TYPE_BOOL && newType->type < TSDB_DATA_TYPE_INT) || 
-       newType->type == TSDB_DATA_TYPE_UTINYINT || newType->type == TSDB_DATA_TYPE_USMALLINT))||
+       ((newType->type >= TSDB_DATA_TYPE_BOOL && newType->type <= TSDB_DATA_TYPE_INT) || 
+       (newType->type >= TSDB_DATA_TYPE_UTINYINT || newType->type <= TSDB_DATA_TYPE_UINT)))||
       (newType->type == TSDB_DATA_TYPE_FLOAT &&
-       ((commonType->type >= TSDB_DATA_TYPE_BOOL && commonType->type < TSDB_DATA_TYPE_INT) ||
-       commonType->type == TSDB_DATA_TYPE_UTINYINT || commonType->type == TSDB_DATA_TYPE_USMALLINT))) {
+       ((commonType->type >= TSDB_DATA_TYPE_BOOL && commonType->type <= TSDB_DATA_TYPE_INT) ||
+       (newType->type >= TSDB_DATA_TYPE_UTINYINT || newType->type <= TSDB_DATA_TYPE_UINT)))) {
     *commonType = (commonType->type == TSDB_DATA_TYPE_FLOAT) ? *commonType : *newType;
     return true;
   }
   //type 7, double >= double bool, tinyint, smallint, int, utinyint, usmallint, uint,
   if ((commonType->type == TSDB_DATA_TYPE_DOUBLE &&
-       ((newType->type >= TSDB_DATA_TYPE_BOOL && newType->type < TSDB_DATA_TYPE_BIGINT) ||
+       ((newType->type >= TSDB_DATA_TYPE_BOOL && newType->type <= TSDB_DATA_TYPE_BIGINT) ||
         newType->type == TSDB_DATA_TYPE_FLOAT || 
-        (newType->type >= TSDB_DATA_TYPE_UTINYINT && newType->type < TSDB_DATA_TYPE_UBIGINT) || 
+        (newType->type >= TSDB_DATA_TYPE_UTINYINT && newType->type <= TSDB_DATA_TYPE_UBIGINT) || 
         newType->type == TSDB_DATA_TYPE_DOUBLE)) ||
       (newType->type == TSDB_DATA_TYPE_DOUBLE &&
-       ((commonType->type >= TSDB_DATA_TYPE_BOOL && commonType->type < TSDB_DATA_TYPE_BIGINT) ||
+       ((commonType->type >= TSDB_DATA_TYPE_BOOL && commonType->type <= TSDB_DATA_TYPE_BIGINT) ||
         commonType->type == TSDB_DATA_TYPE_FLOAT ||
-        (commonType->type >= TSDB_DATA_TYPE_UTINYINT && commonType->type < TSDB_DATA_TYPE_UBIGINT) ||
+        (commonType->type >= TSDB_DATA_TYPE_UTINYINT && commonType->type <= TSDB_DATA_TYPE_UBIGINT) ||
         commonType->type == TSDB_DATA_TYPE_DOUBLE))) {
     *commonType = (commonType->type == TSDB_DATA_TYPE_DOUBLE) ? *commonType : *newType;
     return true;
diff --git a/tests/script/tsim/scalar/caseWhen.sim b/tests/script/tsim/scalar/caseWhen.sim
index 8ab8912081..8a3707e021 100644
--- a/tests/script/tsim/scalar/caseWhen.sim
+++ b/tests/script/tsim/scalar/caseWhen.sim
@@ -423,7 +423,7 @@ endi
 if $data20 != @1970-01-01 08:00:00.003@ then
  return -1
 endi
-if $data30 != @2022-09-26 15:15:04.0@ then
+if $data30 != @2022-09-26 15:15:04.000@ then
  return -1
 endi