diff --git a/ge/single_op/task/op_task.cc b/ge/single_op/task/op_task.cc
index f940cb36..64ede2ed 100755
--- a/ge/single_op/task/op_task.cc
+++ b/ge/single_op/task/op_task.cc
@@ -1184,7 +1184,7 @@ Status AiCpuCCTask::SetMemCopyTask(const domi::KernelDef &kernel_def) {
   auto memcpy_io_addr = memcpy_args_.get() + sizeof(aicpu::AicpuParamHead);
   // if has input and output, need copy to ioaddr
   int cpy_ret = memcpy_s(memcpy_io_addr, memcpy_args_size_ - sizeof(aicpu::AicpuParamHead),
-                         &copy_io_addr[0], sizeof(uint64_t) * memcpy_io_num);
+                         &copy_io_addr_[0], sizeof(uint64_t) * memcpy_io_num);
   GE_IF_BOOL_EXEC(cpy_ret != 0,
                   REPORT_INNER_ERROR("E19999", "Node[Memcpoy] memcpy io addr to AicpuParamHead failed,"
                          "ret=%d, args_size=%u, io nums=%u.",