diff --git a/mindspore/lite/src/runtime/kernel/arm/fp32/arithmetic_compare_fp32.cc b/mindspore/lite/src/runtime/kernel/arm/fp32/arithmetic_compare_fp32.cc
index 3b6a68e5ac..6f52c3bb5b 100644
--- a/mindspore/lite/src/runtime/kernel/arm/fp32/arithmetic_compare_fp32.cc
+++ b/mindspore/lite/src/runtime/kernel/arm/fp32/arithmetic_compare_fp32.cc
@@ -58,6 +58,10 @@ int ArithmeticCompareCPUKernel::Init() {
 int ArithmeticCompareCPUKernel::ReSize() { return RET_OK; }
 
 int ArithmeticCompareCPUKernel::DoExecute(int task_id) {
+  if (in_tensors_.at(0)->shape() != in_tensors_.at(1)->shape()) {
+    MS_LOG(ERROR) << "Compare op must inputs have the same shape, support broadcast later! ";
+    return RET_ERROR;
+  }
   int elements_num = in_tensors_.at(0)->ElementsNum();
   int stride = UP_DIV(elements_num, op_parameter_->thread_num_);
   int offset = task_id * stride;