diff --git a/src/framework/cl/cl_tensor.h b/src/framework/cl/cl_tensor.h
index 1d6829fe4b77639f34df0be37d7a539b91ff4bcc..fc805cbba148516a1759a9b2c98e02ede26344e2 100644
--- a/src/framework/cl/cl_tensor.h
+++ b/src/framework/cl/cl_tensor.h
@@ -48,16 +48,15 @@ class CLTensor : TensorBase {
     return *this;
   }
 
-  template <typename T>
-  inline T mutable_with_data(void *data) {
+  inline cl_mem mutable_with_data(void *data) {
     int64_t size = numel() * sizeof(float);
-    holder_.reset(
-        new PlaceholderImpl(size, data, typeid(T), context_, command_queue_));
-    return reinterpret_cast<T>(
+    holder_.reset(new PlaceholderImpl(size, data, typeid(cl_mem), context_,
+                                      command_queue_));
+    return reinterpret_cast<cl_mem>(
         reinterpret_cast<void *>(reinterpret_cast<uintptr_t>(holder_->ptr())));
   }
 
-  inline void *mutable_data(std::type_index type) {
+  inline cl_mem mutable_data(std::type_index type) {
     if (holder_ != nullptr) {
       holder_->set_type(type);
     }
@@ -67,22 +66,20 @@ class CLTensor : TensorBase {
       holder_.reset(new PlaceholderImpl(size, type, context_, command_queue_));
       offset_ = 0;
     }
-    return reinterpret_cast<void *>(
-        reinterpret_cast<uintptr_t>(holder_->ptr()) + offset_);
+    return reinterpret_cast<cl_mem>(holder_->ptr());
   }
 
   /**
-   * @brief   Return a pointer to mutable memory block.
+   * @brief   Return a pointer to cl buffer.
    * @note    If not exist, then allocation.
    */
   template <typename T>
-  inline T *mutable_data() {
-    static_assert(std::is_pod<T>::value, "T must be POD");
-    return reinterpret_cast<T *>(mutable_data(typeid(T)));
+  inline cl_mem mutable_data() {
+    return reinterpret_cast<cl_mem>(mutable_data(typeid(T)));
   }
 
   /**
-   * @brief     Return a pointer to mutable memory block.
+   * @brief     Return a pointer to cl buffer.
    *
    * @param[in] dims    The dimensions of the memory block.
    * @param[in] place   The place of the memory block.
@@ -90,27 +87,44 @@ class CLTensor : TensorBase {
    * @note      If not exist, then allocation.
    */
   template <typename T>
-  inline T *mutable_data(DDim dims) {
-    static_assert(std::is_pod<T>::value, "T must be POD");
+  inline cl_mem mutable_data(DDim dims) {
     Resize(dims);
     return mutable_data<T>();
   }
 
- private:
-  cl_context context_;
-  cl_command_queue command_queue_;
-
-  /*
-   *   virtual ~Placeholder() = default;
+  inline cl_mem CLBuffer() {
+    check_memory_size();
+    return reinterpret_cast<cl_mem>(
+        reinterpret_cast<uintptr_t>(holder_->ptr()) + offset_);
+  }
 
-    virtual void *ptr() const = 0;
+  template <typename T>
+  inline T *Data() {
+    if (host_ptr_) {
+      delete (host_ptr_);
+      host_ptr_ = nullptr;
+    }
+    cl_mem buffer = CLBuffer();
+    host_ptr_ = new char[holder_->size()];
+    cl_int status;
+    status = clEnqueueReadBuffer(command_queue_, buffer, CL_TRUE, 0,
+                                 holder_->size(), host_ptr_, 0, NULL, NULL);
+    CL_CHECK_ERRORS(status);
+    return reinterpret_cast<T *>(host_ptr_);
+  }
 
-    virtual size_t size() const = 0;
+  ~CLTensor() {
+    if (host_ptr_) {
+      delete (host_ptr_);
+      host_ptr_ = nullptr;
+    }
+  }
 
-    virtual std::type_index type() const = 0;
+ private:
+  cl_context context_;
+  cl_command_queue command_queue_;
+  void *host_ptr_;
 
-    virtual void set_type(std::type_index type) = 0;
-   * */
   struct PlaceholderImpl : public Placeholder {
     PlaceholderImpl(size_t size, void *input, std::type_index type,
                     cl_context context, cl_command_queue command_queue)
@@ -129,15 +143,7 @@ class CLTensor : TensorBase {
 
     virtual size_t size() const { return size_; }
 
-    virtual void *ptr() const {
-      if (host_ptr_) {
-        delete (host_ptr_);
-      }
-      char *host_ptr = new char[size_];
-      clEnqueueReadBuffer(command_queue_, ptr_.get(), CL_TRUE, 0, size_,
-                          host_ptr, 0, NULL, NULL);
-      return static_cast<void *>(host_ptr);
-    }
+    virtual void *ptr() const { return static_cast<void *>(ptr_.get()); }
 
     virtual std::type_index type() const { return type_; }
 
@@ -151,15 +157,6 @@ class CLTensor : TensorBase {
     std::type_index type_;
 
     cl_command_queue command_queue_;
-
-    ~PlaceholderImpl() {
-      if (host_ptr_) {
-        delete (host_ptr_);
-      }
-    }
-
-   private:
-    void *host_ptr_;
   };
 };
 
diff --git a/src/framework/tensor.h b/src/framework/tensor.h
index b6990a07d81f5b8ce005ec56aca9c7403d028157..240f78e3c4c1ed3e9e744214dc1384a1249ee4fc 100644
--- a/src/framework/tensor.h
+++ b/src/framework/tensor.h
@@ -157,6 +157,34 @@ class Tensor : public TensorBase {
     }
   }
 
+  /*! Return a pointer to mutable memory block. */
+  template <typename T>
+  inline T *data() {
+    check_memory_size();
+    PADDLE_MOBILE_ENFORCE(
+        (std::is_same<T, void>::value ||
+         holder_->type().hash_code() == typeid(T).hash_code()),
+        "Tensor holds the wrong type, it holds %s",
+        this->holder_->type().name());
+
+    return reinterpret_cast<T *>(reinterpret_cast<uintptr_t>(holder_->ptr()) +
+                                 offset_);
+  }
+
+  /*! Return a pointer to constant memory block. */
+  template <typename T>
+  inline const T *data() const {
+    check_memory_size();
+    PADDLE_MOBILE_ENFORCE(
+        (std::is_same<T, void>::value ||
+         holder_->type().hash_code() == typeid(T).hash_code()),
+        "Tensor holds the wrong type, it holds %s ,requested:%s",
+        this->holder_->type().name(), typeid(T).name());
+
+    return reinterpret_cast<const T *>(
+        reinterpret_cast<uintptr_t>(holder_->ptr()) + offset_);
+  }
+
  private:
   struct PlaceholderImpl : public Placeholder {
     PlaceholderImpl(size_t size, std::type_index type)
diff --git a/src/framework/tensor_base.h b/src/framework/tensor_base.h
index fe0c9116d4182218a6349a50ca6740c3dbcd5b6b..e1539d2e681973b39eeca5b30e2ed35b535be8cb 100644
--- a/src/framework/tensor_base.h
+++ b/src/framework/tensor_base.h
@@ -72,36 +72,6 @@ class TensorBase {
 
   inline bool IsInitialized() const { return holder_ != nullptr; }
 
-  virtual inline void *mutable_data(std::type_index type) = 0;
-
-  /*! Return a pointer to mutable memory block. */
-  template <typename T>
-  inline T *data() {
-    check_memory_size();
-    PADDLE_MOBILE_ENFORCE(
-        (std::is_same<T, void>::value ||
-         holder_->type().hash_code() == typeid(T).hash_code()),
-        "Tensor holds the wrong type, it holds %s",
-        this->holder_->type().name());
-
-    return reinterpret_cast<T *>(reinterpret_cast<uintptr_t>(holder_->ptr()) +
-                                 offset_);
-  }
-
-  /*! Return a pointer to constant memory block. */
-  template <typename T>
-  inline const T *data() const {
-    check_memory_size();
-    PADDLE_MOBILE_ENFORCE(
-        (std::is_same<T, void>::value ||
-         holder_->type().hash_code() == typeid(T).hash_code()),
-        "Tensor holds the wrong type, it holds %s ,requested:%s",
-        this->holder_->type().name(), typeid(T).name());
-
-    return reinterpret_cast<const T *>(
-        reinterpret_cast<uintptr_t>(holder_->ptr()) + offset_);
-  }
-
   /*! Return the dimensions of the memory block. */
   inline const DDim &dims() const { return dims_; }
 
diff --git a/src/operators/kernel/cl/feed_kernel.cpp b/src/operators/kernel/cl/feed_kernel.cpp
index 0db2b7cc4665ff74d06ca62ba9e77d427d883233..7c61180e51d9d0c0598b1b8f6d61351a4567ed8c 100644
--- a/src/operators/kernel/cl/feed_kernel.cpp
+++ b/src/operators/kernel/cl/feed_kernel.cpp
@@ -39,8 +39,7 @@ void FeedKernel<GPU_CL, float>::Compute(const FeedParam<GPU_CL> &param) {
   CLTensor input_cl_tensor(this->cl_helper_.CLContext(),
                            this->cl_helper_.CLCommandQueue());
   input_cl_tensor.Resize(input->dims());
-  cl_mem inputBuffer =
-      input_cl_tensor.mutable_with_data<cl_mem>((void *)input_data);
+  cl_mem inputBuffer = input_cl_tensor.mutable_with_data((void *)input_data);
 
   status = clSetKernelArg(kernel, 0, sizeof(cl_mem), (void *)&inputBuffer);
   CL_CHECK_ERRORS(status);