diff --git a/mindspore/lite/src/runtime/kernel/opencl/opencl_subgraph.cc b/mindspore/lite/src/runtime/kernel/opencl/opencl_subgraph.cc
index bac832129d0..befb436edb4 100644
--- a/mindspore/lite/src/runtime/kernel/opencl/opencl_subgraph.cc
+++ b/mindspore/lite/src/runtime/kernel/opencl/opencl_subgraph.cc
@@ -77,14 +77,14 @@ void OpenCLSubGraph::ReplaceOutTensorAndKernelToConvert(const lite::Tensor *in_t
   for (auto &iv : in_kernels) {
     MS_ASSERT(iv);
     auto kernels = (mem_type == MemType::IMG) ? iv->in_kernels() : iv->out_kernels();
-    auto fk = std::find_if(kernels.begin(), kernels.end(), [&](kernel::LiteKernel *kv) { return kv == nullptr; });
+    auto fk = std::find_if(kernels.begin(), kernels.end(), [&](kernel::LiteKernel *kv) { return kv == iv; });
     if (fk != kernels.end()) {
       *fk = in_convert_op;
     } else {
       kernels.emplace_back(in_convert_op);
     }
     auto tensors = (mem_type == MemType::IMG) ? iv->in_tensors() : iv->out_tensors();
-    auto ft = std::find_if(tensors.begin(), tensors.end(), [&](lite::Tensor *kv) { return kv == nullptr; });
+    auto ft = std::find_if(tensors.begin(), tensors.end(), [&](lite::Tensor *kv) { return kv == in_tensor; });
     if (ft != tensors.end()) {
       *ft = new_tensor;
     } else {
@@ -118,8 +118,6 @@ int OpenCLSubGraph::GenToFormatOp(const std::vector<lite::Tensor *> &in_tensors,
     GetKernelFromToTensor(in_tensors, nodes_, &loop_kernels, true);
   }
 
-  ReplaceOutTensorAndKernelToNull(in_tensors, in_kernels, mem_type);
-
   for (size_t i = 0; i < in_tensors.size(); ++i) {
     auto *in_tensor = in_tensors.at(i);
     auto dst_format = (mem_type == MemType::IMG) ? schema::Format::Format_NHWC4 : schema::Format::Format_NHWC;