diff --git a/paddle/fluid/operators/dequantize_op.h b/paddle/fluid/operators/dequantize_op.h
index 350b0376c2fcd19f2a1e59a33a7702b3e904be7e..b0d42311af6a3a5b3f87263aab6dd32cf9e6836f 100644
--- a/paddle/fluid/operators/dequantize_op.h
+++ b/paddle/fluid/operators/dequantize_op.h
@@ -28,7 +28,10 @@ class DeQuantOp : public framework::OperatorWithKernel {
  public:
   using framework::OperatorWithKernel::OperatorWithKernel;
 
-  void InferShape(framework::InferShapeContext* ctx) const override {}
+  void InferShape(framework::InferShapeContext* ctx) const override{
+    ctx->SetOutputDim("Output", ctx->GetInputDim("Input"));
+    ctx->ShareLoD("Input", /*->*/ "Output");
+  } 
 
  protected:
   framework::OpKernelType GetExpectedKernelType(
diff --git a/paddle/fluid/operators/quantize_op.h b/paddle/fluid/operators/quantize_op.h
index ffdbe8400c0be8eeb3361c5822204bfc1fb1ed95..4763f523ecb24706d1f2e0117b6a1d80ab050151 100644
--- a/paddle/fluid/operators/quantize_op.h
+++ b/paddle/fluid/operators/quantize_op.h
@@ -29,7 +29,7 @@ class QuantOp : public framework::OperatorWithKernel {
   using framework::OperatorWithKernel::OperatorWithKernel;
 
   void InferShape(framework::InferShapeContext* ctx) const override{
-       ctx->SetOutputDim("Output", ctx->GetInputDim("Input"));
+    ctx->SetOutputDim("Output", ctx->GetInputDim("Input"));
     ctx->ShareLoD("Input", /*->*/ "Output");
   } 
 
diff --git a/paddle/fluid/operators/requantize_op.h b/paddle/fluid/operators/requantize_op.h
index f96df360691a4f6f1b8c66f3402f3c5c9a62bcf3..75401f4d516b3fd64d641c4b5f031ed5f8212812 100644
--- a/paddle/fluid/operators/requantize_op.h
+++ b/paddle/fluid/operators/requantize_op.h
@@ -28,7 +28,10 @@ class ReQuantOp : public framework::OperatorWithKernel {
  public:
   using framework::OperatorWithKernel::OperatorWithKernel;
 
-  void InferShape(framework::InferShapeContext* ctx) const override {}
+  void InferShape(framework::InferShapeContext* ctx) const override{
+    ctx->SetOutputDim("Output", ctx->GetInputDim("Input"));
+    ctx->ShareLoD("Input", /*->*/ "Output");
+  } 
 
  protected:
   framework::OpKernelType GetExpectedKernelType(