diff --git a/paddle/fluid/framework/new_executor/standalone_executor.cc b/paddle/fluid/framework/new_executor/standalone_executor.cc
index 24931a15e121e8ac8755822f89a8466f89d7bed6..1976f8433d021e8a454bb609c81e09016457d120 100644
--- a/paddle/fluid/framework/new_executor/standalone_executor.cc
+++ b/paddle/fluid/framework/new_executor/standalone_executor.cc
@@ -61,6 +61,7 @@ StandaloneExecutor::StandaloneExecutor(const platform::Place& place,
     execution_config.create_local_scope = false;
     execution_config.skip_gc_vars = job->SkipGcVars();
 
+    // TODO(phlrain) we only support cpu for now
     if (FLAGS_enable_new_ir_in_executor && platform::is_cpu_place(place)) {
       VLOG(6) << "begin to translate" << std::endl;
       auto base_program = paddle::TranslateLegacyProgramToProgram(*program);
diff --git a/paddle/fluid/ir/phi_kernel_adaptor/phi_kernel_util.h b/paddle/fluid/ir/phi_kernel_adaptor/phi_kernel_util.h
index 98fff8ede3e9d0e4f5eaf33314f771d0afc370e3..8a8efae74736127a632ea658947e727a88dc8ea7 100644
--- a/paddle/fluid/ir/phi_kernel_adaptor/phi_kernel_util.h
+++ b/paddle/fluid/ir/phi_kernel_adaptor/phi_kernel_util.h
@@ -187,9 +187,7 @@ void BuildPhiContext(
       }
       ctx->EmplaceBackAttr(vec_res);
     } else if (attr_type_name == "ir::ArrayAttribute<ir::Int64Attribute>") {
-      std::cerr << "int64 array" << std::endl;
       auto array_list = attr_map[t].dyn_cast<ir::ArrayAttribute>().data();
-      std::cerr << "len " << array_list.size() << std::endl;
 
       std::vector<int64_t> vec_res;
       if (array_list.size() > 0) {
@@ -198,12 +196,8 @@ void BuildPhiContext(
             true,
             phi::errors::PreconditionNotMet(
                 "Element in array list MUST be ir::Int64Attribute "));
-        std::cerr << "int 64" << std::endl;
 
         for (size_t i = 0; i < array_list.size(); ++i) {
-          std::cerr << "i  " << i << "\t"
-                    << array_list[i].dyn_cast<ir::Int64Attribute>().data()
-                    << std::endl;
           vec_res.push_back(
               array_list[i].dyn_cast<ir::Int64Attribute>().data());
         }
diff --git a/paddle/fluid/ir/transforms/pd_op_to_kernel_pass.cc b/paddle/fluid/ir/transforms/pd_op_to_kernel_pass.cc
index ef3d499389e9970501057163f95368711bbd5f66..e5471e0d873ddff88b98b958718e6651ab731bbc 100644
--- a/paddle/fluid/ir/transforms/pd_op_to_kernel_pass.cc
+++ b/paddle/fluid/ir/transforms/pd_op_to_kernel_pass.cc
@@ -132,6 +132,7 @@ phi::KernelKey GetKernelKey(
       }
 
       auto input_tmp = op->operand(i);
+      // NOTE: if not input_tmp, it's an optional input
       if (!input_tmp) {
         continue;
       }