diff --git a/ge/common/formats/format_transfers/format_transfer_fractal_z.cc b/ge/common/formats/format_transfers/format_transfer_fractal_z.cc
index 15312fad..6d055641 100644
--- a/ge/common/formats/format_transfers/format_transfer_fractal_z.cc
+++ b/ge/common/formats/format_transfers/format_transfer_fractal_z.cc
@@ -92,7 +92,7 @@ Status TransShapeToFzWithGroups(int64_t n, int64_t c, int64_t h, int64_t w, Data
   }
   int64_t cin_ori = c;
   int64_t cout_ori = n / groups;
-  int64_t cube_k = args.src_data_type == DT_INT8 ? 32 : 16;
+  int64_t cube_k =  data_type == DT_INT8 ? 32 : 16;
   int64_t e_mult = std::min(
       Lcm(Lcm(cin_ori, cube_k) / (cin_ori), Lcm(cout_ori, kCubeN) / (cout_ori)),
       groups);
@@ -100,8 +100,7 @@ Status TransShapeToFzWithGroups(int64_t n, int64_t c, int64_t h, int64_t w, Data
   int64_t cout_opt = Ceil(e_mult * cout_ori, kCubeN) * kCubeN;
   int64_t c1_dim = cin_opt / cube_k;
   int64_t g_dim = Ceil(groups, e_mult);
-  auto n1 = Ceil(n, kCubeN);
-
+  auto n1 = Ceil(n , kCubeN);
   dst_shape.clear();
   dst_shape.push_back(g_dim * c1_dim * h * w);
   dst_shape.push_back(n1);
diff --git a/ge/common/formats/format_transfers/format_transfer_fractal_z.h b/ge/common/formats/format_transfers/format_transfer_fractal_z.h
index f59378c9..b962eb69 100755
--- a/ge/common/formats/format_transfers/format_transfer_fractal_z.h
+++ b/ge/common/formats/format_transfers/format_transfer_fractal_z.h
@@ -26,11 +26,11 @@ namespace formats {
 class FormatTransferFractalZ : public FormatTransfer {
  public:
   Status TransFormat(const TransArgs &args, TransResult &result) override;
-  Status TransFormat(const TransArgs &args, TransResult &result, int64_t groups) override;
+  Status TransFormat(const TransArgs &args, TransResult &result, int64_t groups);
   Status TransShape(Format src_format, const std::vector<int64_t> &src_shape, DataType data_type, Format dst_format,
                     std::vector<int64_t> &dst_shape) override;
   Status TransShape(Format src_format, const std::vector<int64_t> &src_shape, DataType data_type, Format dst_format,
-                    std::vector<int64_t> &dst_shape, int64_t groups) override;
+                    std::vector<int64_t> &dst_shape, int64_t groups);
 };
 }  // namespace formats
 }  // namespace ge