diff --git a/include/ascend/ascend_kernel_without_config.h b/include/ascend/ascend_kernel_without_config.h
index 00be08ed..e47d150d 100644
--- a/include/ascend/ascend_kernel_without_config.h
+++ b/include/ascend/ascend_kernel_without_config.h
@@ -4,7 +4,6 @@
 
 namespace infini {
 
-
 class ASCENDKernelWithoutConfig : public Kernel {
   public:
     virtual void compute(const Operator &op, const PerfRecord &record,
@@ -21,7 +20,7 @@ class ASCENDKernelWithoutConfig : public Kernel {
                                               [&]() { context->sync(); }));
     }
     // transform vector<int> to vector<int64_t>
-    std::vector<int64_t> MycastTo64(std::vector<int> const & v32) const {
+    std::vector<int64_t> MycastTo64(std::vector<int> const &v32) const {
         std::vector<int64_t> v64(v32.size(), 1);
         for (size_t i = 0; i < v32.size(); ++i) {
             v64[i] = int64_t(v32[i]);