diff --git a/src/common/types.cpp b/src/common/types.cpp
index b90fb70f2a81b365f049632cc7281a69ec58e18d..ede49478ce1a56ca603f5f8580d4d0c231d6616d 100644
--- a/src/common/types.cpp
+++ b/src/common/types.cpp
@@ -82,6 +82,7 @@ std::unordered_map<
         {G_OP_TYPE_FUSION_CONV_ADD, {{"Input"}, {"Out"}}},
         {G_OP_TYPE_RELU, {{"X"}, {"Out"}}},
         {G_OP_TYPE_SOFTMAX, {{"X"}, {"Out"}}},
+        {G_OP_TYPE_SIGMOID, {{"X"}, {"Out"}}},
         {G_OP_TYPE_MUL, {{"X"}, {"Out"}}},
         {G_OP_TYPE_ELEMENTWISE_ADD, {{"X", "Y"}, {"Out"}}},
         {G_OP_TYPE_POOL2D, {{"X"}, {"Out"}}},
diff --git a/src/framework/loader.cpp b/src/framework/loader.cpp
index eb07e9f6155370880f6fb8e302a8e396df17954d..5587d0698fa2b9a04532deae618545d15ecd631f 100644
--- a/src/framework/loader.cpp
+++ b/src/framework/loader.cpp
@@ -44,7 +44,12 @@ void Loader<Dtype, P>::InitMemoryFromProgram(
         } else {
           auto dim = var_desc->Tensor_desc().Dims();
           PADDLE_MOBILE_ENFORCE(dim.size() > 0, "dim size is 0");
-          dim[0] = 1;
+          //          dim[0] = 1;
+          for (auto &d : dim) {
+            if (d < 0) {
+              d *= -1;
+            }
+          }
           auto tensor = var->GetMutable<LoDTensor>();
           tensor->Resize(make_ddim(dim));
         }
diff --git a/src/operators/op_param.h b/src/operators/op_param.h
index 058c1bcf3a0bfb77c1f6104bf417ac13995e34fd..5666f8e9c97482c13414fc9c4d4b54e7f96bcbca 100644
--- a/src/operators/op_param.h
+++ b/src/operators/op_param.h
@@ -1338,23 +1338,23 @@ class Reshape2Param : public OpParam {
     }
   }
 
-  const RType *InputX() const { return input_x_; }
+  const GType *InputX() const { return input_x_; }
 
-  const RType *InputShape() const { return input_shape_; }
+  const GType *InputShape() const { return input_shape_; }
 
-  RType *Out() const { return out_; }
+  GType *Out() const { return out_; }
 
-  RType *OutputXShape() const { return output_xshape_; }
+  GType *OutputXShape() const { return output_xshape_; }
 
   const vector<int> &Shape() const { return shape_; }
 
   const bool &Inplace() const { return inplace_; }
 
  private:
-  RType *input_x_;
-  RType *input_shape_;
-  RType *out_;
-  RType *output_xshape_;
+  GType *input_x_;
+  GType *input_shape_;
+  GType *out_;
+  GType *output_xshape_;
   vector<int> shape_;
   bool inplace_;
 };