diff --git a/ge/common/formats/format_transfers/format_transfer_hwcn_fractal_zn_lstm.cc b/ge/common/formats/format_transfers/format_transfer_hwcn_fractal_zn_lstm.cc
index 604566a8..9b4a8de2 100644
--- a/ge/common/formats/format_transfers/format_transfer_hwcn_fractal_zn_lstm.cc
+++ b/ge/common/formats/format_transfers/format_transfer_hwcn_fractal_zn_lstm.cc
@@ -111,11 +111,11 @@ Status GetDstDataAfterTrans(const TransArgs &args, TransResult &result, const in
         int index = 0;
         for (int64_t y_src = y_src_head; y_src < y_src_head + K; y_src++) {
           int64_t x_dst = x_src_head + index;
+          int64_t y_dst = x_src + y_src - x_dst;
           ++index;
-          int64_t src_idx = x_src * n + y_src;
-          auto src_offset = src_idx * size;
 
-          int64_t y_dst = x_src + y_src - x_dst;
+          auto src_idx = x_src * n + y_src;
+          auto src_offset = src_idx * size;
           auto dst_idx = x_dst * n + y_dst;
           auto dst_offset = dst_idx * size;
 
@@ -142,6 +142,7 @@ Status GetDstDataAfterTrans(const TransArgs &args, TransResult &result, const in
 
   result.data = dst;
   result.length = static_cast<size_t>(total_size);
+  return SUCCESS;
 }
 }  // namespace