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 e50c6782..a18f749a 100644
--- a/ge/common/formats/format_transfers/format_transfer_fractal_z.cc
+++ b/ge/common/formats/format_transfers/format_transfer_fractal_z.cc
@@ -30,7 +30,6 @@ namespace ge {
 namespace formats {
 namespace {
 constexpr int64_t kCubeN = 16;
-constexpr int64_t kGroupNum = 1;
 constexpr int64_t kDim = 1;
 
 static int64_t Measure(int64_t x, int64_t y) {
@@ -42,7 +41,6 @@ static int64_t Measure(int64_t x, int64_t y) {
   }
   return z;
 }
-
 // least common multiple
 static int64_t Lcm(int64_t a, int64_t b) {
   if (b == 0) {
@@ -51,7 +49,6 @@ static int64_t Lcm(int64_t a, int64_t b) {
   int64_t temp = (a * b) / (Measure(a, b));
   return temp;
 }
-
 // get the result of two number divisor and let result round up
 static int64_t DivCeil(int64_t a, int64_t b) {
   if (b == 0) {
@@ -294,6 +291,7 @@ Status TransFormatHwcnToFzWithGroups(const TransArgs &args, TransResult &result,
     g_dim * kDim * dim_cin * h_dim * w_dim * cout_opt * cube_k * data_size;
   GE_CHK_BOOL_EXEC_NOLOG(size_output_data != 0, result.length = static_cast<size_t>(size_output_data);
   return SUCCESS;);
+  errno_t ret = EOK;
   std::shared_ptr<uint8_t> dst(new (std::nothrow) uint8_t[size_output_data], std::default_delete<uint8_t[]>());
   GE_CHK_BOOL_TRUE_EXEC_WITH_LOG(
       dst == nullptr,
@@ -301,6 +299,12 @@ Status TransFormatHwcnToFzWithGroups(const TransArgs &args, TransResult &result,
              TypeUtils::FormatToSerialString(args.src_format).c_str(),
              TypeUtils::FormatToSerialString(args.dst_format).c_str(), size_output_data);
       return ACL_ERROR_GE_MEMORY_ALLOCATION;);
+  auto ret = memset_s(dst.get(), size_output_data, 0, size_output_data);
+  if (ret != EOK) {
+      GELOGE(ACL_ERROR_GE_MEMORY_OPERATE_FAILED, "Failed to operate the dst memory , error-code %d, ret %d",
+                   ret);
+      return ACL_ERROR_GE_MEMORY_OPERATE_FAILED;
+  }
   for (int64_t g = 0; g < groups; g++) {
     for (int64_t d = 0; d < kDim; d++) {
       for (int64_t c = 0; c < c_dim; c++) {