diff --git a/be/src/vec/aggregate_functions/aggregate_function_window.cpp b/be/src/vec/aggregate_functions/aggregate_function_window.cpp
index b96f241e513c478..269c518b483e95d 100644
--- a/be/src/vec/aggregate_functions/aggregate_function_window.cpp
+++ b/be/src/vec/aggregate_functions/aggregate_function_window.cpp
@@ -54,7 +54,7 @@ AggregateFunctionPtr create_aggregate_function_row_number(const std::string& nam
 }
 
 template <template <typename> class AggregateFunctionTemplate, template <typename> class Data,
-          bool is_nullable, bool is_copy = false>
+          bool arg_is_nullable, bool is_copy = false>
 static IAggregateFunction* create_function_single_value(const String& name,
                                                         const DataTypes& argument_types,
                                                         const Array& parameters) {
@@ -71,64 +71,64 @@ static IAggregateFunction* create_function_single_value(const String& name,
 #define DISPATCH(TYPE)                        \
     if (which.idx == TypeIndex::TYPE)         \
         return new AggregateFunctionTemplate< \
-                Data<LeadAndLagData<TYPE, is_nullable, false, StoreType>>>(argument_types);
+                Data<LeadAndLagData<TYPE, arg_is_nullable, false, StoreType>>>(argument_types);
     FOR_NUMERIC_TYPES(DISPATCH)
 #undef DISPATCH
 
     if (which.is_decimal()) {
         return new AggregateFunctionTemplate<
-                Data<LeadAndLagData<Int128, is_nullable, false, StoreType>>>(argument_types);
+                Data<LeadAndLagData<Int128, arg_is_nullable, false, StoreType>>>(argument_types);
     }
     if (which.is_date_or_datetime()) {
         return new AggregateFunctionTemplate<
-                Data<LeadAndLagData<Int64, is_nullable, false, StoreType>>>(argument_types);
+                Data<LeadAndLagData<Int64, arg_is_nullable, false, StoreType>>>(argument_types);
     }
     if (which.is_string_or_fixed_string()) {
         return new AggregateFunctionTemplate<
-                Data<LeadAndLagData<StringRef, is_nullable, true, StoreType>>>(argument_types);
+                Data<LeadAndLagData<StringRef, arg_is_nullable, true, StoreType>>>(argument_types);
     }
     DCHECK(false) << "with unknowed type, failed in  create_aggregate_function_leadlag";
     return nullptr;
 }
 
-template <bool is_nullable>
+template <bool arg_is_nullable>
 AggregateFunctionPtr create_aggregate_function_lag(const std::string& name,
                                                    const DataTypes& argument_types,
                                                    const Array& parameters,
                                                    const bool result_is_nullable) {
     return AggregateFunctionPtr(
-            create_function_single_value<WindowFunctionData, WindowFunctionLagData, is_nullable>(
-                    name, argument_types, parameters));
+            create_function_single_value<WindowFunctionData, WindowFunctionLagData,
+                                         arg_is_nullable>(name, argument_types, parameters));
 }
 
-template <bool is_nullable>
+template <bool arg_is_nullable>
 AggregateFunctionPtr create_aggregate_function_lead(const std::string& name,
                                                     const DataTypes& argument_types,
                                                     const Array& parameters,
                                                     const bool result_is_nullable) {
     return AggregateFunctionPtr(
-            create_function_single_value<WindowFunctionData, WindowFunctionLeadData, is_nullable>(
-                    name, argument_types, parameters));
+            create_function_single_value<WindowFunctionData, WindowFunctionLeadData,
+                                         arg_is_nullable>(name, argument_types, parameters));
 }
 
-template <bool is_nullable>
+template <bool arg_is_nullable>
 AggregateFunctionPtr create_aggregate_function_first(const std::string& name,
                                                      const DataTypes& argument_types,
                                                      const Array& parameters,
                                                      const bool result_is_nullable) {
     return AggregateFunctionPtr(
-            create_function_single_value<WindowFunctionData, WindowFunctionFirstData, is_nullable>(
-                    name, argument_types, parameters));
+            create_function_single_value<WindowFunctionData, WindowFunctionFirstData,
+                                         arg_is_nullable>(name, argument_types, parameters));
 }
 
-template <bool is_nullable>
+template <bool arg_is_nullable>
 AggregateFunctionPtr create_aggregate_function_last(const std::string& name,
                                                     const DataTypes& argument_types,
                                                     const Array& parameters,
                                                     const bool result_is_nullable) {
     return AggregateFunctionPtr(
-            create_function_single_value<WindowFunctionData, WindowFunctionLastData, is_nullable>(
-                    name, argument_types, parameters));
+            create_function_single_value<WindowFunctionData, WindowFunctionLastData,
+                                         arg_is_nullable>(name, argument_types, parameters));
 }
 
 AggregateFunctionPtr create_aggregate_function_replace_if_not_null(const std::string& name,
diff --git a/be/src/vec/aggregate_functions/aggregate_function_window.h b/be/src/vec/aggregate_functions/aggregate_function_window.h
index 547edde4da90fb2..7fae856fcd84857 100644
--- a/be/src/vec/aggregate_functions/aggregate_function_window.h
+++ b/be/src/vec/aggregate_functions/aggregate_function_window.h
@@ -180,7 +180,7 @@ struct CopiedValue : public Value {
     std::string _copied_value;
 };
 
-template <typename T, bool is_nullable, bool is_string, typename StoreType = Value>
+template <typename T, bool arg_is_nullable, bool is_string, typename StoreType = Value>
 struct LeadAndLagData {
 public:
     bool has_init() const { return _is_init; }
@@ -193,7 +193,7 @@ struct LeadAndLagData {
     }
 
     void insert_result_into(IColumn& to) const {
-        if constexpr (is_nullable) {
+        if constexpr (arg_is_nullable) {
             if (_data_value.is_null()) {
                 auto& col = assert_cast<ColumnNullable&>(to);
                 col.insert_default();
diff --git a/be/test/vec/function/function_bitmap_test.cpp b/be/test/vec/function/function_bitmap_test.cpp
index 77c0cbd5497c93d..b0d725d0b182eef 100644
--- a/be/test/vec/function/function_bitmap_test.cpp
+++ b/be/test/vec/function/function_bitmap_test.cpp
@@ -26,157 +26,135 @@ TEST(function_bitmap_test, function_bitmap_min_test) {
     std::string func_name = "bitmap_min";
     InputTypeSet input_types = {TypeIndex::BitMap};
 
-    auto bitmap1 = new BitmapValue(1);
-    auto bitmap2 = new BitmapValue(std::vector<uint64_t>({1, 9999999}));
-    auto empty_bitmap = new BitmapValue();
-    DataSet data_set = {{{bitmap1}, (int64_t)1},
-                        {{bitmap2}, (int64_t)1},
-                        {{empty_bitmap}, Null()},
+    BitmapValue bitmap1(1);
+    BitmapValue bitmap2({1, 9999999});
+    BitmapValue empty_bitmap;
+    DataSet data_set = {{{&bitmap1}, (int64_t)1},
+                        {{&bitmap2}, (int64_t)1},
+                        {{&empty_bitmap}, Null()},
                         {{Null()}, Null()}};
 
     check_function<DataTypeInt64, true>(func_name, input_types, data_set);
-    delete bitmap1;
-    delete bitmap2;
-    delete empty_bitmap;
 }
 TEST(function_bitmap_test, function_bitmap_max_test) {
     std::string func_name = "bitmap_max";
     InputTypeSet input_types = {TypeIndex::BitMap};
 
-    auto bitmap1 = new BitmapValue(1);
-    auto bitmap2 = new BitmapValue(std::vector<uint64_t>({1, 9999999}));
-    auto empty_bitmap = new BitmapValue();
-    DataSet data_set = {{{bitmap1}, (int64_t)1},
-                        {{bitmap2}, (int64_t)9999999},
-                        {{empty_bitmap}, Null()},
+    BitmapValue bitmap1(1);
+    BitmapValue bitmap2({1, 9999999});
+    BitmapValue empty_bitmap;
+    DataSet data_set = {{{&bitmap1}, (int64_t)1},
+                        {{&bitmap2}, (int64_t)9999999},
+                        {{&empty_bitmap}, Null()},
                         {{Null()}, Null()}};
 
     check_function<DataTypeInt64, true>(func_name, input_types, data_set);
-    delete bitmap1;
-    delete bitmap2;
-    delete empty_bitmap;
 }
 
 TEST(function_bitmap_test, function_bitmap_to_string_test) {
     std::string func_name = "bitmap_to_string";
     InputTypeSet input_types = {TypeIndex::BitMap};
 
-    auto bitmap1 = new BitmapValue(1);
-    auto bitmap2 = new BitmapValue(std::vector<uint64_t>({1, 9999999}));
-    auto empty_bitmap = new BitmapValue();
-    DataSet data_set = {{{bitmap1}, std::string("1")},
-                        {{bitmap2}, std::string("1,9999999")},
-                        {{empty_bitmap}, std::string("")},
+    BitmapValue bitmap1(1);
+    BitmapValue bitmap2({1, 9999999});
+    BitmapValue empty_bitmap;
+    DataSet data_set = {{{&bitmap1}, std::string("1")},
+                        {{&bitmap2}, std::string("1,9999999")},
+                        {{&empty_bitmap}, std::string("")},
                         {{Null()}, Null()}};
 
     check_function<DataTypeString, true>(func_name, input_types, data_set);
-    delete bitmap1;
-    delete bitmap2;
-    delete empty_bitmap;
 }
 
 TEST(function_bitmap_test, function_bitmap_and_count) {
     std::string func_name = "bitmap_and_count";
     InputTypeSet input_types = {TypeIndex::BitMap, TypeIndex::BitMap};
-    auto bitmap1 = new BitmapValue(std::vector<uint64_t>({1, 2, 3}));
-    auto bitmap2 = new BitmapValue(std::vector<uint64_t>({3, 4, 5}));
-    auto empty_bitmap = new BitmapValue();
-    DataSet data_set = {{{bitmap1, empty_bitmap}, (int64_t)0},
-                        {{bitmap1, bitmap1}, (int64_t)3},
-                        {{bitmap1, bitmap2}, (int64_t)1}};
+    BitmapValue bitmap1({1, 2, 3});
+    BitmapValue bitmap2({3, 4, 5});
+    BitmapValue empty_bitmap;
+    DataSet data_set = {{{&bitmap1, &empty_bitmap}, (int64_t)0},
+                        {{&bitmap1, &bitmap1}, (int64_t)3},
+                        {{&bitmap1, &bitmap2}, (int64_t)1}};
 
     check_function<DataTypeInt64, true>(func_name, input_types, data_set);
-    delete bitmap1;
-    delete bitmap2;
-    delete empty_bitmap;
 
     {
         InputTypeSet input_types = {TypeIndex::BitMap, TypeIndex::BitMap, TypeIndex::BitMap};
         BitmapValue bitmap1({33, 1, 2019});
         BitmapValue bitmap2({0, 33, std::numeric_limits<uint64_t>::min()});
         BitmapValue bitmap3({33, 5, std::numeric_limits<uint64_t>::max()});
-        auto empty_bitmap = new BitmapValue(); //test empty
+        BitmapValue empty_bitmap; //test empty
 
-        DataSet data_set = {{{&bitmap1, &bitmap2, empty_bitmap}, (int64_t)0},
+        DataSet data_set = {{{&bitmap1, &bitmap2, &empty_bitmap}, (int64_t)0},
                             {{&bitmap1, &bitmap2, &bitmap3}, (int64_t)1}, //33
                             {{&bitmap1, &bitmap2, Null()}, Null()},
                             {{&bitmap1, &bitmap3, &bitmap3}, (int64_t)1}}; //33
 
         check_function<DataTypeInt64, true>(func_name, input_types, data_set);
-        delete empty_bitmap;
     }
 }
 
 TEST(function_bitmap_test, function_bitmap_or_count) {
     std::string func_name = "bitmap_or_count";
     InputTypeSet input_types = {TypeIndex::BitMap, TypeIndex::BitMap};
-    auto bitmap1 = new BitmapValue(std::vector<uint64_t>({1, 2, 3}));
-    auto bitmap2 = new BitmapValue(std::vector<uint64_t>({1, 2, 3, 4}));
-    auto bitmap3 = new BitmapValue(std::vector<uint64_t>({2, 3}));
-    auto empty_bitmap = new BitmapValue();
-    DataSet data_set = {{{bitmap1, empty_bitmap}, (int64_t)3},
-                        {{bitmap2, bitmap3}, (int64_t)4},
-                        {{bitmap1, bitmap3}, (int64_t)3}};
+
+    BitmapValue bitmap1({1, 2, 3});
+    BitmapValue bitmap2({1, 2, 3, 4});
+    BitmapValue bitmap3({2, 3});
+    BitmapValue empty_bitmap;
+    DataSet data_set = {{{&bitmap1, &empty_bitmap}, (int64_t)3},
+                        {{&bitmap2, &bitmap3}, (int64_t)4},
+                        {{&bitmap1, &bitmap3}, (int64_t)3}};
 
     check_function<DataTypeInt64, true>(func_name, input_types, data_set);
-    delete bitmap1;
-    delete bitmap2;
-    delete bitmap3;
-    delete empty_bitmap;
 
     {
         InputTypeSet input_types = {TypeIndex::BitMap, TypeIndex::BitMap, TypeIndex::BitMap};
         BitmapValue bitmap1({1024, 1, 2019});
         BitmapValue bitmap2({0, 33, std::numeric_limits<uint64_t>::min()});
         BitmapValue bitmap3({33, 5, std::numeric_limits<uint64_t>::max()}); //18446744073709551615
-        auto empty_bitmap = new BitmapValue();                              //test empty
+        BitmapValue empty_bitmap;                                           //test empty
 
-        DataSet data_set = {{{&bitmap1, &bitmap2, empty_bitmap}, (int64_t)5}, //0,1,33,1024,2019
+        DataSet data_set = {{{&bitmap1, &bitmap2, &empty_bitmap}, (int64_t)5}, //0,1,33,1024,2019
                             {{&bitmap1, &bitmap2, &bitmap3},
                              (int64_t)7}, //0,1,5,33,1024,2019,18446744073709551615
-                            {{&bitmap1, empty_bitmap, Null()}, Null()},
+                            {{&bitmap1, &empty_bitmap, Null()}, Null()},
                             {{&bitmap1, &bitmap3, &bitmap3},
                              (int64_t)6}}; //1,5,33,1024,2019,18446744073709551615
 
         check_function<DataTypeInt64, true>(func_name, input_types, data_set);
-        delete empty_bitmap;
     }
 }
 
 TEST(function_bitmap_test, function_bitmap_xor_count) {
     std::string func_name = "bitmap_xor_count";
     InputTypeSet input_types = {TypeIndex::BitMap, TypeIndex::BitMap};
-    auto bitmap1 = new BitmapValue(std::vector<uint64_t>({1, 2, 3}));
-    auto bitmap2 = new BitmapValue(std::vector<uint64_t>({1, 2, 3, 4}));
-    auto bitmap3 = new BitmapValue(std::vector<uint64_t>({2, 3}));
-    auto bitmap4 = new BitmapValue(std::vector<uint64_t>({1, 2, 6}));
-    auto empty_bitmap = new BitmapValue();
-    DataSet data_set = {{{bitmap1, empty_bitmap}, (int64_t)3},
-                        {{bitmap2, bitmap3}, (int64_t)2},
-                        {{bitmap1, bitmap4}, (int64_t)2}};
+
+    BitmapValue bitmap1({1, 2, 3});
+    BitmapValue bitmap2({1, 2, 3, 4});
+    BitmapValue bitmap3({2, 3});
+    BitmapValue bitmap4({1, 2, 6});
+    BitmapValue empty_bitmap;
+    DataSet data_set = {{{&bitmap1, &empty_bitmap}, (int64_t)3},
+                        {{&bitmap2, &bitmap3}, (int64_t)2},
+                        {{&bitmap1, &bitmap4}, (int64_t)2}};
 
     check_function<DataTypeInt64, true>(func_name, input_types, data_set);
-    delete bitmap1;
-    delete bitmap2;
-    delete bitmap3;
-    delete bitmap4;
-    delete empty_bitmap;
 
     {
         InputTypeSet input_types = {TypeIndex::BitMap, TypeIndex::BitMap, TypeIndex::BitMap};
         BitmapValue bitmap1({1024, 1, 2019});
         BitmapValue bitmap2({0, 33, std::numeric_limits<uint64_t>::min()});
         BitmapValue bitmap3({33, 5, std::numeric_limits<uint64_t>::max()});
-        auto empty_bitmap = new BitmapValue(); //test empty
+        BitmapValue empty_bitmap; //test empty
 
         DataSet data_set = {
-                {{&bitmap1, &bitmap2, empty_bitmap}, (int64_t)5}, //0,1,33,1024,2019
+                {{&bitmap1, &bitmap2, &empty_bitmap}, (int64_t)5}, //0,1,33,1024,2019
                 {{&bitmap1, &bitmap2, &bitmap3}, (int64_t)6}, //0,1,5,1024,2019,18446744073709551615
-                {{&bitmap1, empty_bitmap, Null()}, Null()},
+                {{&bitmap1, &empty_bitmap, Null()}, Null()},
                 {{&bitmap1, &bitmap3, &bitmap3}, (int64_t)3}}; //1,1024,2019
 
         check_function<DataTypeInt64, true>(func_name, input_types, data_set);
-        delete empty_bitmap;
     }
 }
 
@@ -186,15 +164,14 @@ TEST(function_bitmap_test, function_bitmap_and_not_count) {
     BitmapValue bitmap1({1, 2, 3});
     BitmapValue bitmap2({3, 4, std::numeric_limits<uint64_t>::min()});
     BitmapValue bitmap3({33, 5, std::numeric_limits<uint64_t>::max()});
-    auto empty_bitmap = new BitmapValue();
+    BitmapValue empty_bitmap;
 
-    DataSet data_set = {{{&bitmap1, empty_bitmap}, (int64_t)3}, //1,2,3
+    DataSet data_set = {{{&bitmap1, &empty_bitmap}, (int64_t)3}, //1,2,3
                         {{&bitmap2, Null()}, Null()},
                         {{&bitmap2, &bitmap3}, (int64_t)3},  //0,3,4
                         {{&bitmap1, &bitmap2}, (int64_t)2}}; //1,2
 
     check_function<DataTypeInt64, true>(func_name, input_types, data_set);
-    delete empty_bitmap;
 }
 TEST(function_bitmap_test, function_bitmap_has_all) {
     std::string func_name = "bitmap_has_all";
@@ -207,18 +184,16 @@ TEST(function_bitmap_test, function_bitmap_has_all) {
     BitmapValue bitmap3 = BitmapValue({0, 1, 2});
     BitmapValue bitmap4 = BitmapValue({0, 1, 2, std::numeric_limits<uint64_t>::max()});
     BitmapValue bitmap5 = BitmapValue({0, 1, 2});
-    auto empty_bitmap1 = new BitmapValue();
-    auto empty_bitmap2 = new BitmapValue();
+    BitmapValue empty_bitmap1;
+    BitmapValue empty_bitmap2;
 
     DataSet data_set = {{{&bitmap1, &bitmap2}, uint8(true)},
-                        {{empty_bitmap1, empty_bitmap2}, uint8(true)},
+                        {{&empty_bitmap1, &empty_bitmap2}, uint8(true)},
                         {{&bitmap3, &bitmap4}, uint8(false)},
                         {{&bitmap4, &bitmap5}, uint8(true)},
-                        {{Null(), empty_bitmap1}, Null()}};
+                        {{Null(), &empty_bitmap1}, Null()}};
 
     check_function<DataTypeUInt8, true>(func_name, input_types, data_set);
-    delete empty_bitmap1;
-    delete empty_bitmap2;
 }
 
 } // namespace doris::vectorized