diff --git a/source/libs/function/src/builtins.c b/source/libs/function/src/builtins.c
index 95267e5f58..b234ff97c9 100644
--- a/source/libs/function/src/builtins.c
+++ b/source/libs/function/src/builtins.c
@@ -2176,7 +2176,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "top",
     .type = FUNCTION_TYPE_TOP,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_ROWS_FUNC | FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_STREAM_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_ROWS_FUNC | FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_FILL_FUNC,
     .translateFunc = translateTopBot,
     .getEnvFunc   = getTopBotFuncEnv,
     .initFunc     = topBotFunctionSetup,
@@ -2191,7 +2191,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "bottom",
     .type = FUNCTION_TYPE_BOTTOM,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_ROWS_FUNC | FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_STREAM_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_ROWS_FUNC | FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_FILL_FUNC,
     .translateFunc = translateTopBot,
     .getEnvFunc   = getTopBotFuncEnv,
     .initFunc     = topBotFunctionSetup,
@@ -2590,7 +2590,7 @@ const SBuiltinFuncDefinition funcMgtBuiltins[] = {
   {
     .name = "sample",
     .type = FUNCTION_TYPE_SAMPLE,
-    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_ROWS_FUNC | FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_STREAM_FUNC,
+    .classification = FUNC_MGT_AGG_FUNC | FUNC_MGT_SELECT_FUNC | FUNC_MGT_MULTI_ROWS_FUNC | FUNC_MGT_KEEP_ORDER_FUNC | FUNC_MGT_FORBID_STREAM_FUNC | FUNC_MGT_FORBID_FILL_FUNC,
     .translateFunc = translateSample,
     .getEnvFunc   = getSampleFuncEnv,
     .initFunc     = sampleFunctionSetup,
diff --git a/tests/system-test/2-query/sample.py b/tests/system-test/2-query/sample.py
index 34615c0515..46d2062341 100644
--- a/tests/system-test/2-query/sample.py
+++ b/tests/system-test/2-query/sample.py
@@ -515,7 +515,7 @@ class TDTestCase:
         #     "condition": "where ts>0 and ts < now interval(1h) fill(next)"
         # }
         # self.checksample(**err45)         # interval
-        tdSql.query("select sample( c1 , 1 )  from t1 where ts>0 and ts < now interval(1h) fill(next)")
+        tdSql.error("select sample( c1 , 1 )  from t1 where ts>0 and ts < now interval(1h) fill(next)")
         err46 = {
             "table_expr": "t1",
             "condition": "group by c6"