diff --git a/app/controllers/synced_transactions_controller.rb b/app/controllers/synced_transactions_controller.rb
index 4181812..a888354 100644
--- a/app/controllers/synced_transactions_controller.rb
+++ b/app/controllers/synced_transactions_controller.rb
@@ -44,7 +44,7 @@ def import_csv
       user_id = current_user.id if source_type == 'private'
       source = params[:source].presence || 'binance'
       import_status = if source == 'binance'
-                        ImportBinanceTransactionsCsvService.new(params[:files], source, user_id).call
+                        ImportBinanceTransactionsCsvService.new(params[:files].first, source, user_id).call
                       else
                         ImportOkxTransactionsCsvService.new(params[:files], source, user_id).call
                       end
diff --git a/app/services/import_okx_transactions_csv_service.rb b/app/services/import_okx_transactions_csv_service.rb
index 2a38f3c..04d2287 100644
--- a/app/services/import_okx_transactions_csv_service.rb
+++ b/app/services/import_okx_transactions_csv_service.rb
@@ -64,7 +64,7 @@ def store_okx_model
           price = symbol == 'ELON-USDT-SWAP' ? row[11].to_f : other_row[7].to_f
           qty = amount / price
           revenue = row[12].to_f
-          trade_type = ["卖", "SELL"].include?(row[5]) ? "sell" : "buy"
+          trade_type = ["卖", "SELL", "平空"].include?(row[5]) ? "sell" : "buy"
           fee, fee_symbol = row[13].split(' ')
           fee = fee.to_f.abs
           position_side = if trade_type == 'sell'
diff --git a/app/views/adding_positions_histories/_list.html.erb b/app/views/adding_positions_histories/_list.html.erb
index e846e75..08ff981 100644
--- a/app/views/adding_positions_histories/_list.html.erb
+++ b/app/views/adding_positions_histories/_list.html.erb
@@ -30,7 +30,7 @@
         <td class="<%= h.amount.to_f > 0 ? 'pos-num' : 'neg-num' %>"><%= h.amount.round(4) %></td>
         <td class="<%= h.get_revenue.to_f > 0 ? 'pos-num' : 'neg-num' %>"><%= h.get_revenue.round(4) %></td>
         <td><%= "#{h.roi}%" %></td>
-        <td><%= "#{(h.trading_roi * 100).round(3)}%" %></td>
+        <td><%= "#{(h.trading_roi.to_f * 100).round(3)}%" %></td>
         <td><%= h.source %></td>
       </tr>
     <% end %>