diff --git a/paddle/fluid/pybind/kernel_signature_generator.cc b/paddle/fluid/pybind/kernel_signature_generator.cc
index 8d78adaf5a4735d87e2206df6c8b55875db68118..1520174fba288b4ecf683e79c36b6c0228237b2e 100644
--- a/paddle/fluid/pybind/kernel_signature_generator.cc
+++ b/paddle/fluid/pybind/kernel_signature_generator.cc
@@ -46,10 +46,19 @@ int main(int argc, char **argv) {
   auto &kernel_factory = phi::KernelFactory::Instance();
   std::string kernel_signature_map_str{"{"};
   for (const auto &op_kernel_pair : kernel_factory.kernels()) {
-    if (kernel_signature_map.Has(op_kernel_pair.first)) {
+    std::string op_name = op_kernel_pair.first;
+    const paddle::flat_hash_map<std::string, std::string> &kernel_name_map =
+        phi::OpUtilsMap::Instance().base_kernel_name_map();
+    for (auto &it : kernel_name_map) {
+      if (it.second == op_name) {
+        op_name = it.first;
+        break;
+      }
+    }
+    if (kernel_signature_map.Has(op_name)) {
       kernel_signature_map_str =
           kernel_signature_map_str + "\"" + op_kernel_pair.first + "\":{";
-      auto &args = kernel_signature_map.Get(op_kernel_pair.first).args;
+      auto &args = kernel_signature_map.Get(op_name).args;
 
       kernel_signature_map_str += "\"inputs\":[";
       auto inputs_ = std::get<0>(args);
diff --git a/paddle/infrt/dialect/init_dialects.cc b/paddle/infrt/dialect/init_dialects.cc
index 6183295cafb356e85c0fd8bf417c3fb18eb30787..56c375c72d2bbb24e1a279c6f160e0ea7a98bd83 100644
--- a/paddle/infrt/dialect/init_dialects.cc
+++ b/paddle/infrt/dialect/init_dialects.cc
@@ -33,13 +33,14 @@ void registerCinnDialects(mlir::DialectRegistry &registry) {  // NOLINT
   registry.insert<ts::TensorShapeDialect,
                   InfrtDialect,
                   dt::DTDialect,
-                  mlir::pd::PaddleDialect,
+                  pd::PaddleDialect,
+                  trt::TensorRTDialect
 #ifdef INFRT_WITH_PHI
+                  ,
                   phi::PHIDenseTensorDialect,
                   phi::PHICPUKernelDialect,
                   phi::PHIGPUKernelDialect,
-                  phi::PHIDialect,
-                  infrt::trt::TensorRTDialect
+                  phi::PHIDialect
 #endif
                   >();
 }
diff --git a/paddle/infrt/dialect/pd/ir/pd_op_base.td b/paddle/infrt/dialect/pd/ir/pd_op_base.td
index 7cab0eca45a1e7f74115f906db10a77f2eb1023b..e28854a848023c1161c8cda24edb705f536b5698 100644
--- a/paddle/infrt/dialect/pd/ir/pd_op_base.td
+++ b/paddle/infrt/dialect/pd/ir/pd_op_base.td
@@ -17,7 +17,7 @@ def Paddle_Dialect : Dialect {
     This dialect contains the PaddlePaddle operators.
   }];
   let hasConstantMaterializer = 1;
-  let cppNamespace = "mlir::pd";
+  let cppNamespace = "infrt::pd";
 }
 
 class PD_Op<string mnemonic, list<OpTrait> traits = []> :
@@ -25,7 +25,7 @@ class PD_Op<string mnemonic, list<OpTrait> traits = []> :
 
 
 class PD_PaddleAttr <string name, string description> :
-      Attr<CPred<"$_self.isa<mlir::pd::" # name # "Attr>()">,
+      Attr<CPred<"$_self.isa<infrt::pd::" # name # "Attr>()">,
           "PaddlePaddle " # description # " attribute">;
 
 
@@ -33,12 +33,12 @@ class PD_PaddleAttr <string name, string description> :
 // PaddlePaddle type definitions
 //===----------------------------------------------------------------------===//
 
-def PD_PDDialectType : Type<CPred<"$_self.isa<mlir::pd::PDType>()">, "PaddlePaddle type">;
+def PD_PDDialectType : Type<CPred<"$_self.isa<infrt::pd::PDType>()">, "PaddlePaddle type">;
 
 class PD_PaddleType <string name, string description> :
-      Type<CPred<"$_self.isa<mlir::pd::" # name #"Type>()">,
+      Type<CPred<"$_self.isa<infrt::pd::" # name #"Type>()">,
          "Paddle " # description # " type">,
-      BuildableType<"getType<mlir::pd::" # name # "Type>()">;
+      BuildableType<"getType<infrt::pd::" # name # "Type>()">;
 
 //===----------------------------------------------------------------------===//
 // Integer types
diff --git a/paddle/infrt/dialect/pd/ir/pd_ops.cc b/paddle/infrt/dialect/pd/ir/pd_ops.cc
index d105aa07dd06a9a9c3aba870702b1e304a3a938a..b5ba48581ee62f4e77328ed9f91ad956632dbbb7 100644
--- a/paddle/infrt/dialect/pd/ir/pd_ops.cc
+++ b/paddle/infrt/dialect/pd/ir/pd_ops.cc
@@ -24,7 +24,7 @@
 #define GET_OP_CLASSES
 #include "paddle/infrt/dialect/pd/ir/pd_extra_ops.cpp.inc"  // NOLINT
 
-namespace mlir {
+namespace infrt {
 namespace pd {
 void PaddleDialect::initialize() {
   addOperations<
@@ -43,33 +43,34 @@ mlir::Operation *PaddleDialect::materializeConstant(mlir::OpBuilder &builder,
   return builder.create<ConstantOp>(loc, value);
 }
 
-void ConstantOp::build(OpBuilder &builder,
-                       OperationState &state,
-                       Attribute value) {
-  if (auto elem_attr = value.dyn_cast<ElementsAttr>()) {
+void ConstantOp::build(mlir::OpBuilder &builder,
+                       mlir::OperationState &state,
+                       mlir::Attribute value) {
+  if (auto elem_attr = value.dyn_cast<mlir::ElementsAttr>()) {
     return ConstantOp::build(builder, state, elem_attr);
-  } else if (value.isa<BoolAttr, FloatAttr, IntegerAttr>()) {
-    ShapedType type = RankedTensorType::get(/*shape=*/{}, value.getType());
-    state.addAttribute("value", DenseElementsAttr::get(type, value));
+  } else if (value.isa<mlir::BoolAttr, mlir::FloatAttr, mlir::IntegerAttr>()) {
+    mlir::ShapedType type =
+        mlir::RankedTensorType::get(/*shape=*/{}, value.getType());
+    state.addAttribute("value", mlir::DenseElementsAttr::get(type, value));
     state.addTypes(type);
     return;
   }
   llvm_unreachable("unsupported attribute type for building pd.constant");
 }
 
-LogicalResult ConstantOp::inferReturnTypes(
-    MLIRContext *context,
-    Optional<Location> location,
-    ValueRange operands,
-    DictionaryAttr attributes,
-    RegionRange regions,
-    SmallVectorImpl<Type> &inferredReturnTypes) {
+mlir::LogicalResult ConstantOp::inferReturnTypes(
+    mlir::MLIRContext *context,
+    mlir::Optional<mlir::Location> location,
+    mlir::ValueRange operands,
+    mlir::DictionaryAttr attributes,
+    mlir::RegionRange regions,
+    llvm::SmallVectorImpl<mlir::Type> &inferredReturnTypes) {
   inferredReturnTypes.push_back(attributes.get("value").getType());
-  return success();
+  return mlir::success();
 }
 mlir::OpFoldResult ConstantOp::fold(
     ::llvm::ArrayRef<mlir::Attribute> operands) {
   return value();
 }
 }  // namespace pd
-}  // namespace mlir
+}  // namespace infrt
diff --git a/paddle/infrt/dialect/tensorrt/trt_graph_fuse_pass.cc b/paddle/infrt/dialect/tensorrt/trt_graph_fuse_pass.cc
index e22a2309cbe2d343fab4e6e918d3c5a3f98cbb4e..0878163a955af236c6a40f60850e9e5cad67b2aa 100644
--- a/paddle/infrt/dialect/tensorrt/trt_graph_fuse_pass.cc
+++ b/paddle/infrt/dialect/tensorrt/trt_graph_fuse_pass.cc
@@ -55,8 +55,8 @@ bool reverseDfs(std::vector<mlir::Operation *> source,
 
 // merge the first&second graph op to a new graph op.
 void mergeTwoAdjacentGraphOp(mlir::OpBuilder &builder,  // NOLINT
-                             mlir::pd::GraphOp first,
-                             mlir::pd::GraphOp second) {
+                             infrt::pd::GraphOp first,
+                             infrt::pd::GraphOp second) {
   // comput inputs and outputs
   ::llvm::SmallVector<mlir::Value, 4> inputs(first.getOperands()), outputs;
   for (mlir::Value input : second.getOperands()) {
@@ -85,7 +85,7 @@ void mergeTwoAdjacentGraphOp(mlir::OpBuilder &builder,  // NOLINT
   // create the new graph op
   builder.setInsertionPoint(first);
   auto loc = first.getLoc();
-  auto graph_op = builder.create<mlir::pd::GraphOp>(loc, return_types, inputs);
+  auto graph_op = builder.create<infrt::pd::GraphOp>(loc, return_types, inputs);
   mlir::Block *block = new mlir::Block;
   auto copy_range = second.getBody()->without_terminator();
   block->getOperations().splice(block->begin(),
@@ -150,13 +150,13 @@ void TRTGraphFusePass::runOnFunction() {
   do {
     changed = false;
     for (auto &op : body) {
-      mlir::pd::GraphOp graph_op =
-          ::llvm::dyn_cast_or_null<mlir::pd::GraphOp>(&op);
+      infrt::pd::GraphOp graph_op =
+          ::llvm::dyn_cast_or_null<infrt::pd::GraphOp>(&op);
       if (nullptr == graph_op) continue;
 
       for (auto user_op : op.getUsers()) {
-        mlir::pd::GraphOp user_graph_op =
-            ::llvm::dyn_cast_or_null<mlir::pd::GraphOp>(user_op);
+        infrt::pd::GraphOp user_graph_op =
+            ::llvm::dyn_cast_or_null<infrt::pd::GraphOp>(user_op);
         if (nullptr == user_graph_op) continue;
         // get all dst input nodes except src.
         std::vector<mlir::Operation *> source_nodes;
diff --git a/paddle/infrt/dialect/tensorrt/trt_graph_split_pass.cc b/paddle/infrt/dialect/tensorrt/trt_graph_split_pass.cc
index f81179e548fd5fb15850e9b8943bce440dc3091c..ade61bfc370f550cf85267b3088d697bf1bea997 100644
--- a/paddle/infrt/dialect/tensorrt/trt_graph_split_pass.cc
+++ b/paddle/infrt/dialect/tensorrt/trt_graph_split_pass.cc
@@ -21,18 +21,18 @@ namespace infrt {
 namespace trt {
 // Implementation of the trtGraphSplitPass。
 void TRTGraphSplitPass::runOnFunction() {
-  std::vector<mlir::pd::GraphOp> worklist;
+  std::vector<infrt::pd::GraphOp> worklist;
   mlir::Block& block = getFunction().front();
   for (auto& op : block) {
-    mlir::pd::GraphOp graph_op =
-        ::llvm::dyn_cast_or_null<mlir::pd::GraphOp>(&op);
+    infrt::pd::GraphOp graph_op =
+        ::llvm::dyn_cast_or_null<infrt::pd::GraphOp>(&op);
     if (nullptr != graph_op &&
         graph_op.getBody()->getOperations().size() <= min_subgraph_size_) {
       worklist.push_back(graph_op);
     }
   }
   while (!worklist.empty()) {
-    mlir::pd::GraphOp graph_op = worklist.back();
+    infrt::pd::GraphOp graph_op = worklist.back();
     worklist.pop_back();
     mlir::Block* body = graph_op.getBody();
     auto return_op = body->getTerminator();
diff --git a/paddle/infrt/dialect/tensorrt/trt_op_converter_pass.cc b/paddle/infrt/dialect/tensorrt/trt_op_converter_pass.cc
index 1e6a3e1380555ea94b0d5de9d64cdc42a27e894e..19c6b13e971ec779ed178413ca08b42b23dc71d1 100644
--- a/paddle/infrt/dialect/tensorrt/trt_op_converter_pass.cc
+++ b/paddle/infrt/dialect/tensorrt/trt_op_converter_pass.cc
@@ -27,7 +27,7 @@ struct PD2TRT_GraphLower : public ::mlir::RewritePattern {
       : ::mlir::RewritePattern("pd.graph", 1, context, {"trt.create_engine"}) {}
   ::mlir::LogicalResult matchAndRewrite(
       ::mlir::Operation *op, ::mlir::PatternRewriter &rewriter) const override {
-    auto casted_op = ::llvm::dyn_cast<mlir::pd::GraphOp>(op);
+    auto casted_op = ::llvm::dyn_cast<infrt::pd::GraphOp>(op);
     ::mlir::Operation::operand_range inputs = casted_op.inputs();
     auto ods_loc = rewriter.getFusedLoc(op->getLoc());
     CreateEngineOp create_engine_op;
diff --git a/paddle/infrt/dialect/tensorrt/trt_op_teller_pass.cc b/paddle/infrt/dialect/tensorrt/trt_op_teller_pass.cc
index 2c6f08277c803fe744bbfe559f21a6b8b085b816..ef9ccc82678f4bf2e2b518bf346d25393b9e480c 100644
--- a/paddle/infrt/dialect/tensorrt/trt_op_teller_pass.cc
+++ b/paddle/infrt/dialect/tensorrt/trt_op_teller_pass.cc
@@ -35,13 +35,13 @@ void TRTOpTellerPass::runOnFunction() {
     auto *op = worklist.back();
     worklist.pop_back();
     if (op == nullptr) continue;
-    if (::llvm::dyn_cast_or_null<mlir::pd::FeedOp>(op)) continue;
-    if (::llvm::dyn_cast_or_null<mlir::pd::FetchOp>(op)) continue;
-    if (::llvm::dyn_cast_or_null<mlir::pd::GraphOp>(op)) continue;
+    if (::llvm::dyn_cast_or_null<infrt::pd::FeedOp>(op)) continue;
+    if (::llvm::dyn_cast_or_null<infrt::pd::FetchOp>(op)) continue;
+    if (::llvm::dyn_cast_or_null<infrt::pd::GraphOp>(op)) continue;
     if (::llvm::dyn_cast_or_null<::infrt::ReturnOp>(op)) continue;
     builder.setInsertionPoint(op);
     auto loc = getFunction().getLoc();
-    auto graph_op = builder.create<mlir::pd::GraphOp>(
+    auto graph_op = builder.create<infrt::pd::GraphOp>(
         loc, op->getResultTypes(), op->getOperands());
 
     ::llvm::SmallVector<mlir::Value, 4> tblgen_repl_values;
diff --git a/paddle/infrt/host_context/paddle_mlir.cc b/paddle/infrt/host_context/paddle_mlir.cc
index 48999a23ef34cd119081810fb4baac77f5fb123b..4e7de9e2df10d3efccd29f13d758183d8a325edb 100644
--- a/paddle/infrt/host_context/paddle_mlir.cc
+++ b/paddle/infrt/host_context/paddle_mlir.cc
@@ -22,7 +22,7 @@ MLIRModelGenImpl::MLIRModelGenImpl()
   context_->getOrLoadDialect<mlir::StandardOpsDialect>();
   context_->getOrLoadDialect<infrt::ts::TensorShapeDialect>();
   context_->getOrLoadDialect<infrt::dt::DTDialect>();
-  context_->getOrLoadDialect<mlir::pd::PaddleDialect>();
+  context_->getOrLoadDialect<infrt::pd::PaddleDialect>();
   context_->getOrLoadDialect<::infrt::InfrtDialect>();
   module_ = mlir::ModuleOp::create(mlir::UnknownLoc::get(context_));
 }
diff --git a/paddle/infrt/tests/model/test_abs.cc b/paddle/infrt/tests/model/test_abs.cc
index 5de159b86fce29f774b07770aaaee0c1b6aebd31..49266910dbd278fb8d429534134097751cf8b6b1 100644
--- a/paddle/infrt/tests/model/test_abs.cc
+++ b/paddle/infrt/tests/model/test_abs.cc
@@ -72,7 +72,7 @@ TEST(ABS_MODEL, convert_and_execute) {
   context->getOrLoadDialect<infrt::ts::TensorShapeDialect>();
   context->getOrLoadDialect<infrt::InfrtDialect>();
   context->getOrLoadDialect<infrt::dt::DTDialect>();
-  context->getOrLoadDialect<mlir::pd::PaddleDialect>();
+  context->getOrLoadDialect<infrt::pd::PaddleDialect>();
 
   context->getOrLoadDialect<infrt::phi::PHIDenseTensorDialect>();
   context->getOrLoadDialect<infrt::phi::PHICPUKernelDialect>();
diff --git a/tools/infrt/custom_pdop.td b/tools/infrt/custom_pdop.td
index 861b31941200fd8a7482482cb683ff969bd05a18..ae0316036f1854e281e07de59fb5aa53201bd35e 100644
--- a/tools/infrt/custom_pdop.td
+++ b/tools/infrt/custom_pdop.td
@@ -42,6 +42,6 @@ def PD_ConstantOp : PD_Op<"constant", [NoSideEffect, ConstantLike, DeclareOpInte
   let hasFolder = 1;
 
   let builders = [
-    OpBuilder<(ins "Attribute":$value)>,
+    OpBuilder<(ins "mlir::Attribute":$value)>,
   ];
 }