diff --git a/src/framework/cl/cl_image.h b/src/framework/cl/cl_image.h
index bed423441164420b5c1e50e0eaebc0a933f3d811..b88091e09b03940a97170941ea0c48b2874260f1 100644
--- a/src/framework/cl/cl_image.h
+++ b/src/framework/cl/cl_image.h
@@ -308,7 +308,7 @@ class CLImage {
   size_t c_block_;
   DDim tensor_dims_;
   DDim image_dims_;
-  float *tensor_data_;
+  float *tensor_data_ = nullptr;
   cl_context context_;
   cl_command_queue command_queue_;
 };
diff --git a/src/framework/cl/cl_tensor.h b/src/framework/cl/cl_tensor.h
index 204c3e3ca185817bdf5b966fe04fac8574acd8a7..57155f65c4491c1f1f3c533bd86339ae3ebf2964 100644
--- a/src/framework/cl/cl_tensor.h
+++ b/src/framework/cl/cl_tensor.h
@@ -97,7 +97,7 @@ class CLTensor : TensorBase {
   inline cl_mem CLBuffer() {
     check_memory_size();
     return reinterpret_cast<cl_mem>(
-        reinterpret_cast<uintptr_t>(holder_->ptr()) + offset_);
+        reinterpret_cast<uintptr_t>(holder_->ptr()));
   }
 
   template <typename T>
@@ -115,8 +115,14 @@ class CLTensor : TensorBase {
     return reinterpret_cast<T *>(host_ptr_);
   }
 
+  int memorySize() {
+    return holder_->size();
+  }
+
   ~CLTensor() {
+    DLOG << "~CLTensor";
     if (host_ptr_) {
+      DLOG << " delete host ptr ";
       delete (host_ptr_);
       host_ptr_ = nullptr;
     }
@@ -125,7 +131,7 @@ class CLTensor : TensorBase {
  private:
   cl_context context_;
   cl_command_queue command_queue_;
-  void *host_ptr_;
+  void *host_ptr_ = nullptr;
 
   struct PlaceholderImpl : public Placeholder {
     PlaceholderImpl(size_t size, void *input, std::type_index type,
diff --git a/src/framework/executor.cpp b/src/framework/executor.cpp
index 45f9726d1eb9f031e910ebebf6726807970fcb61..d2ba4d97362f51d7fe22be0b2a1ddd7cf7563c4b 100644
--- a/src/framework/executor.cpp
+++ b/src/framework/executor.cpp
@@ -429,7 +429,6 @@ std::shared_ptr<framework::Tensor> Executor<Dtype, P>::Predict(
   }
 #endif
 
-  DLOG << " predict return nullptr";
 
   auto last_op = ops.rbegin();
   auto output_map = (*last_op)->Outputs();
diff --git a/src/operators/kernel/cl/batchnorm_kernel.cpp b/src/operators/kernel/cl/batchnorm_kernel.cpp
index 2da70637968b0da10fec301e454bf359a6f5bb56..10add5de5d5b271389671d28bfd3bcd2deaa3c8a 100644
--- a/src/operators/kernel/cl/batchnorm_kernel.cpp
+++ b/src/operators/kernel/cl/batchnorm_kernel.cpp
@@ -86,11 +86,10 @@ void BatchNormKernel<GPU_CL, float>::Compute(
   clSetKernelArg(kernel, 4, sizeof(cl_mem), &new_bias);
   clSetKernelArg(kernel, 5, sizeof(cl_mem), &out);
 
-  cl_event out_event = param.OutputY()->GetClEvent();
-  cl_event wait_event = param.InputX()->GetClEvent();
+//  cl_event out_event = param.OutputY()->GetClEvent();
+//  cl_event wait_event = param.InputX()->GetClEvent();
   clEnqueueNDRangeKernel(this->cl_helper_.CLCommandQueue(), kernel, 3, NULL,
-                         default_work_size.data(), NULL, 1, &wait_event,
-                         &out_event);
+                         default_work_size.data(), NULL, 0, NULL, NULL);
 }
 
 template class BatchNormKernel<GPU_CL, float>;
diff --git a/src/operators/kernel/cl/conv_add_bn_relu_kernel.cpp b/src/operators/kernel/cl/conv_add_bn_relu_kernel.cpp
index 8a0417eaaa79763c38bd4d77d646f1dbb0d92d06..65f39a0ac6e18e8a206c47ffc1b7e3fba56c6085 100644
--- a/src/operators/kernel/cl/conv_add_bn_relu_kernel.cpp
+++ b/src/operators/kernel/cl/conv_add_bn_relu_kernel.cpp
@@ -236,12 +236,12 @@ void ConvAddBNReluKernel<GPU_CL, float>::Compute(
   status = clSetKernelArg(kernel, 16, sizeof(int), &output_height);
   CL_CHECK_ERRORS(status);
 
-  cl_event out_event = param.Output()->GetClEvent();
-  cl_event wait_event = param.Input()->GetClEvent();
+//  cl_event out_event = param.Output()->GetClEvent();
+//  cl_event wait_event = param.Input()->GetClEvent();
 
   status =
       clEnqueueNDRangeKernel(this->cl_helper_.CLCommandQueue(), kernel, default_work_size.size(), NULL,
-                             default_work_size.data(), NULL, 1, &wait_event, &out_event);
+                             default_work_size.data(), NULL, 0, NULL, NULL);
   CL_CHECK_ERRORS(status);
 }
 
diff --git a/src/operators/kernel/cl/conv_add_kernel.cpp b/src/operators/kernel/cl/conv_add_kernel.cpp
index 390aebef8c9ee4cf440cb70226a3195ffc7b639c..cb093451a5acbe480028d8518f665127faa02f1c 100644
--- a/src/operators/kernel/cl/conv_add_kernel.cpp
+++ b/src/operators/kernel/cl/conv_add_kernel.cpp
@@ -117,12 +117,12 @@ void ConvAddKernel<GPU_CL, float>::Compute(
   status = clSetKernelArg(kernel, 14, sizeof(int), &output_height);
   CL_CHECK_ERRORS(status);
 
-  cl_event out_event = param.Output()->GetClEvent();
-  cl_event wait_event = param.Input()->GetClEvent();
+//  cl_event out_event = param.Output()->GetClEvent();
+//  cl_event wait_event = param.Input()->GetClEvent();
 
   status =
       clEnqueueNDRangeKernel(this->cl_helper_.CLCommandQueue(), kernel, default_work_size.size(), NULL,
-                             default_work_size.data(), NULL, 1, &wait_event, &out_event);
+                             default_work_size.data(), NULL, 0, NULL, NULL);
   CL_CHECK_ERRORS(status);
 }
 
diff --git a/src/operators/kernel/cl/conv_kernel.cpp b/src/operators/kernel/cl/conv_kernel.cpp
index 8cec6b9893ba934cdccba053f5ce335618c3e251..c6fe51e7ee865f3b882f3144837c7618ff8597d4 100644
--- a/src/operators/kernel/cl/conv_kernel.cpp
+++ b/src/operators/kernel/cl/conv_kernel.cpp
@@ -111,12 +111,12 @@ void ConvKernel<GPU_CL, float>::Compute(const ConvParam<GPU_CL> &param) {
   status = clSetKernelArg(kernel, 12, sizeof(int), &output_width);
   status = clSetKernelArg(kernel, 13, sizeof(int), &output_height);
 
-  cl_event out_event = param.Output()->GetClEvent();
-  cl_event wait_event = param.Input()->GetClEvent();
+//  cl_event out_event = param.Output()->GetClEvent();
+//  cl_event wait_event = param.Input()->GetClEvent();
 
   status =
       clEnqueueNDRangeKernel(this->cl_helper_.CLCommandQueue(), kernel, default_work_size.size(), NULL,
-                             default_work_size.data(), NULL, 1, &wait_event, &out_event);
+                             default_work_size.data(), NULL, 0, NULL, NULL);
   CL_CHECK_ERRORS(status);
 }
 
diff --git a/src/operators/kernel/cl/depthwise_conv_kernel.cpp b/src/operators/kernel/cl/depthwise_conv_kernel.cpp
index f24e6f0be8322e296bcf599f497425014d2ea8a5..d4a539ab0a75c7ec04141de4a8619613712a1e52 100644
--- a/src/operators/kernel/cl/depthwise_conv_kernel.cpp
+++ b/src/operators/kernel/cl/depthwise_conv_kernel.cpp
@@ -76,12 +76,12 @@ void DepthwiseConvKernel<GPU_CL, float>::Compute(
 
   CL_CHECK_ERRORS(status);
 
-  cl_event out_event = param.Output()->GetClEvent();
-  cl_event wait_event = param.Input()->GetClEvent();
+//  cl_event out_event = param.Output()->GetClEvent();
+//  cl_event wait_event = param.Input()->GetClEvent();
 
   status =
       clEnqueueNDRangeKernel(this->cl_helper_.CLCommandQueue(), kernel, default_work_size.size(), NULL,
-                             default_work_size.data(), NULL, 1, &wait_event, &out_event);
+                             default_work_size.data(), NULL, 0, NULL, NULL);
 
   CL_CHECK_ERRORS(status);
 }
diff --git a/src/operators/kernel/cl/elementwise_add_kernel.cpp b/src/operators/kernel/cl/elementwise_add_kernel.cpp
index 0bc3700350f5d54a16fff6b1fc297695d94b769b..8ac8a7034f44fd800d4174306c9ef7036bea797a 100644
--- a/src/operators/kernel/cl/elementwise_add_kernel.cpp
+++ b/src/operators/kernel/cl/elementwise_add_kernel.cpp
@@ -82,7 +82,7 @@ void ElementwiseAddKernel<GPU_CL, float>::Compute(
     cl_event wait_event = param.InputX()->GetClEvent();
     status =
         clEnqueueNDRangeKernel(this->cl_helper_.CLCommandQueue(), kernel, 2,
-                               NULL, global_work_size, NULL, 1,&wait_event, &out_event);
+                               NULL, global_work_size, NULL, 0, NULL, NULL);
     CL_CHECK_ERRORS(status);
   } else {
     DLOG << "error:bias dims is error";
diff --git a/src/operators/kernel/cl/feed_kernel.cpp b/src/operators/kernel/cl/feed_kernel.cpp
index e79e0ed15dfae00ee894ad6239ceadad704ba6bb..f1f13df96c2bd784d42b41c387b1d09b6cd5b74f 100644
--- a/src/operators/kernel/cl/feed_kernel.cpp
+++ b/src/operators/kernel/cl/feed_kernel.cpp
@@ -30,7 +30,7 @@ void FeedKernel<GPU_CL, float>::Compute(const FeedParam<GPU_CL> &param) {
   cl_int status;
   auto output = param.Out();
   const Tensor *input = param.InputX();
-  DLOG << *input;
+//  DLOG << *input;
   const float *input_data = input->data<float>();
   int numel = input->numel();
   cl_mem cl_image = output->GetCLImage();
@@ -52,10 +52,10 @@ void FeedKernel<GPU_CL, float>::Compute(const FeedParam<GPU_CL> &param) {
 
   size_t global_work_size[2] = {width, height};
 
-    cl_event out_event = param.Out()->GetClEvent();
+//  cl_event out_event = param.Out()->GetClEvent();
 
   status = clEnqueueNDRangeKernel(this->cl_helper_.CLCommandQueue(), kernel, 2,
-                                  NULL, global_work_size, NULL, 0, NULL, &out_event);
+                                  NULL, global_work_size, NULL, 0, NULL, NULL);
   CL_CHECK_ERRORS(status);
 }
 
diff --git a/src/operators/kernel/cl/fetch_kernel.cpp b/src/operators/kernel/cl/fetch_kernel.cpp
index c6f8e78361842008fbb841b1751bdfea1ca2d18b..ca94ae475e46aac463338d554d73c1baddd9c269 100644
--- a/src/operators/kernel/cl/fetch_kernel.cpp
+++ b/src/operators/kernel/cl/fetch_kernel.cpp
@@ -73,9 +73,14 @@ void FetchKernel<GPU_CL, float>::Compute(const FetchParam<GPU_CL> &param) {
     clSetKernelArg(kernel, 6, sizeof(int), &size_batch);
   }
 
-  cl_event wait_event = param.InputX()->GetClEvent();
+//  cl_event wait_event = param.InpdutX()->GetClEvent();
   clEnqueueNDRangeKernel(this->cl_helper_.CLCommandQueue(), kernel, 3, NULL,
-                         default_work_size.data(), NULL, 1, &wait_event, NULL);
+                         default_work_size.data(), NULL, 0, NULL, NULL);
+
+//  printf(" before finish \n");
+//  clFlsh(this->cl_helper_.CLCommandQueue());
+//  clFinish(this->cl_helper_.CLCommandQueue());
+//  printf(" after finish \n");
 
   memcpy(out->data<float>(), out_cl_tensor.Data<float>(), out->memory_size());
 }
diff --git a/src/operators/kernel/cl/pool_kernel.cpp b/src/operators/kernel/cl/pool_kernel.cpp
index 904bb0336a4de506fe4ac1dd4b915b6a125e6715..3159152944fe6259e47528f30d86b4b1a1f373b0 100644
--- a/src/operators/kernel/cl/pool_kernel.cpp
+++ b/src/operators/kernel/cl/pool_kernel.cpp
@@ -63,10 +63,10 @@ void PoolKernel<GPU_CL, float>::Compute(const PoolParam<GPU_CL> &param) {
   clSetKernelArg(kernel, 10, sizeof(cl_mem), &input);
   clSetKernelArg(kernel, 11, sizeof(cl_mem), &out);
 
-  cl_event out_event = param.Output()->GetClEvent();
-  cl_event wait_event = param.Input()->GetClEvent();
+//  cl_event out_event = param.Output()->GetClEvent();
+//  cl_event wait_event = param.Input()->GetClEvent();
   clEnqueueNDRangeKernel(this->cl_helper_.CLCommandQueue(), kernel, 3, NULL,
-                         default_work_size.data(), NULL, 1, &wait_event, &out_event);
+                         default_work_size.data(), NULL, 0, NULL, NULL);
 }
 
 template class PoolKernel<GPU_CL, float>;
diff --git a/src/operators/kernel/cl/relu_kernel.cpp b/src/operators/kernel/cl/relu_kernel.cpp
index 6ad5ba56da2609d444d5edf7647a1d2941776b79..70c939b86df1fcbd161249638771256f68a34024 100644
--- a/src/operators/kernel/cl/relu_kernel.cpp
+++ b/src/operators/kernel/cl/relu_kernel.cpp
@@ -50,12 +50,12 @@ void ReluKernel<GPU_CL, float>::Compute(const ReluParam<GPU_CL>& param) {
 //  clSetKernelArg(kernel_p1, 1, sizeof(cl_mem), &outputImage);
     const size_t work_size[2] = {input->ImageWidth(), input->ImageHeight()};
 
-  cl_event out_event = param.Out()->GetClEvent();
-  cl_event wait_event = param.InputX()->GetClEvent();
+//  cl_event out_event = param.Out()->GetClEvent();
+//  cl_event wait_event = param.InputX()->GetClEvent();
 
   clEnqueueNDRangeKernel(this->cl_helper_.CLCommandQueue(), kernel, 2,
     NULL,
-                           work_size, NULL, 1, &wait_event, &out_event);
+                           work_size, NULL, 0, NULL, NULL);
   //  clEnqueueNDRangeKernel(this->cl_helper_.CLCommandQueue(), kernel_p1, 3,
   //  NULL,
   //                         work_size, NULL, 0, NULL, NULL);
diff --git a/src/operators/kernel/cl/reshape_kernel.cpp b/src/operators/kernel/cl/reshape_kernel.cpp
index d82d810cc2e9bf9e94b67d948f87e090cc45e152..a1e6b57984b7e8a206d2f452edaf7100260e274c 100644
--- a/src/operators/kernel/cl/reshape_kernel.cpp
+++ b/src/operators/kernel/cl/reshape_kernel.cpp
@@ -55,11 +55,11 @@ void ReshapeKernel<GPU_CL, float>::Compute(const ReshapeParam<GPU_CL> &param) {
   clSetKernelArg(kernel, 9, sizeof(cl_int), &odims[1]);
   const size_t work_size[2] = {output->ImageWidth(), output->ImageHeight()};
 
-  cl_event out_event = param.Out()->GetClEvent();
-  cl_event wait_event = param.InputX()->GetClEvent();
+//  cl_event out_event = param.Out()->GetClEvent();
+//  cl_event wait_event = param.InputX()->GetClEvent();
 
   clEnqueueNDRangeKernel(this->cl_helper_.CLCommandQueue(), kernel, 2, NULL,
-                         work_size, NULL, 1, &wait_event, &out_event);
+                         work_size, NULL, 0, NULL, NULL);
 }
 
 template class ReshapeKernel<GPU_CL, float>;
diff --git a/src/operators/kernel/cl/softmax_kernel.cpp b/src/operators/kernel/cl/softmax_kernel.cpp
index 7d99ad9e1c979dfabeb85f6e5bfbb076dd896ac7..432ead67fc87523a3d33ed83eff6ffe8c4666f97 100644
--- a/src/operators/kernel/cl/softmax_kernel.cpp
+++ b/src/operators/kernel/cl/softmax_kernel.cpp
@@ -55,11 +55,11 @@ void SoftmaxKernel<GPU_CL, float>::Compute(const SoftmaxParam<GPU_CL> &param) {
 //  clSetKernelArg(kernel, 4, sizeof(int), &dims[2]);
 //  clSetKernelArg(kernel, 5, sizeof(int), &dims[3]);
 
-  cl_event out_event = param.Out()->GetClEvent();
-  cl_event wait_event = param.InputX()->GetClEvent();
+//  cl_event out_event = param.Out()->GetClEvent();
+//  cl_event wait_event = param.InputX()->GetClEvent();
 
   status = clEnqueueNDRangeKernel(this->cl_helper_.CLCommandQueue(), kernel, default_work_size.size(), NULL,
-                         default_work_size.data(), NULL, 1, &wait_event, &out_event);
+                         default_work_size.data(), NULL, 0, NULL, NULL);
 
   CL_CHECK_ERRORS(status);
 
diff --git a/test/net/test_mobilenet_GPU.cpp b/test/net/test_mobilenet_GPU.cpp
index a5a78f7f8f6fe93ca7412f0ec007c291b26417af..40edd0a8450496550a9d3747507b42945f925a09 100644
--- a/test/net/test_mobilenet_GPU.cpp
+++ b/test/net/test_mobilenet_GPU.cpp
@@ -26,32 +26,35 @@ int main() {
   auto isok = paddle_mobile.Load(g_mobilenet, true);
   if (isok) {
     auto time2 = paddle_mobile::time();
-    std::cout << "load cost :" << paddle_mobile::time_diff(time1, time1) << "ms"
+    std::cout << "load cost :" << paddle_mobile::time_diff(time1, time2) << "ms"
               << std::endl;
 
     std::vector<float> input;
     std::vector<int64_t> dims{1, 3, 224, 224};
     GetInput<float>(g_test_image_1x3x224x224_banana, &input, dims);
 
-    auto vec_result = paddle_mobile.Predict(input, dims);
-    //    std::vector<float>::iterator biggest =
-    //        std::max_element(std::begin(vec_result), std::end(vec_result));
-    //    std::cout << " Max element is " << *biggest << " at position "
-    //              << std::distance(std::begin(vec_result), biggest) <<
-    //              std::endl;
-
-    //    for (int i = 0; i < 10; ++i) {
-    //      auto vec_result = paddle_mobile.Predict(input, dims);
-    //    }
     //    auto time3 = paddle_mobile::time();
-    //    for (int i = 0; i < 10; ++i) {
-    //      auto vec_result = paddle_mobile.Predict(input, dims);
-    //    }
-    //    DLOG << vec_result;
+    auto vec_result = paddle_mobile.Predict(input, dims);
     //    auto time4 = paddle_mobile::time();
-    //    std::cout << "predict cost :" << paddle_mobile::time_diff(time3,
-    //    time4) / 10 << "ms"
-    //              << std::endl;
+
+    for (int i = 0; i < 10; ++i) {
+      auto vec_result = paddle_mobile.Predict(input, dims);
+    }
+
+
+    auto time3 = paddle_mobile::time();
+
+    for (int i = 0; i < 10; ++i) {
+      auto vec_result = paddle_mobile.Predict(input, dims);
+    }
+
+    auto time4 = paddle_mobile::time();
+    std::cout << "predict cost :" << paddle_mobile::time_diff(time3, time4) / 10
+              << "ms" << std::endl;
+    std::vector<float>::iterator biggest =
+        std::max_element(std::begin(vec_result), std::end(vec_result));
+    std::cout << " Max element is " << *biggest << " at position "
+              << std::distance(std::begin(vec_result), biggest) << std::endl;
   }
 
   std::cout << "如果结果Nan请查看: test/images/g_test_image_1x3x224x224_banana "