fix the owned

core/predictor/framework/infer.h

@@ -661,9 +661,8 @@ class FluidInferEngine : public CloneDBReloadableInferEngine<FluidFamilyCore> {
         lod_element.assign(out_lod[li].begin(), out_lod[li].end());
         tensor_out.lod.push_back(lod_element);
       }
-      tensor_out.data = DataBuf(databuf_data,databuf_size,true);
-
-      batchTensor_pointer_out->push_back(tensor_out);
+      tensor_out.data = DataBuf(databuf_data,databuf_size);
+      batchTensor_pointer_out->push_back_owned(tensor_out);
     }
     return 0;
   }

core/predictor/framework/infer_data.h

@@ -39,6 +39,10 @@ class DataBuf {
 
   size_t size() const { return _size; }
 
+  void set_owned(bool owned){
+    this._owned = owned;
+  }
+
   void free() {
     _size = 0;
     if (_owned) {
@@ -145,6 +149,12 @@ class BatchTensor {
 
   void push_back(const Tensor& tensor) { _features.push_back(tensor); }
 
+  void push_back_owned(const Tensor& tensor){
+    _features.push_back(tensor);
+    //change the DataBuf parameter "owned"= true 
+    _features[count()-1].data.set_owned(true);
+  }
+
   size_t count() const { return _features.size(); }
 
   size_t size() const {