diff --git a/src/main/java/au/com/royalpay/payment/manage/system/core/impl/TradeSecureServiceHanyinImpl.java b/src/main/java/au/com/royalpay/payment/manage/system/core/impl/TradeSecureServiceHanyinImpl.java
index d686ddf7d..18bd9dc9f 100644
--- a/src/main/java/au/com/royalpay/payment/manage/system/core/impl/TradeSecureServiceHanyinImpl.java
+++ b/src/main/java/au/com/royalpay/payment/manage/system/core/impl/TradeSecureServiceHanyinImpl.java
@@ -74,7 +74,7 @@ public class TradeSecureServiceHanyinImpl implements TradeSecureService {
                 logger.debug("mk dir:{}", dir);
                 command.mkdir(dir);
             }
-            String dest = dir + file.filename();
+            String dest = dir + "/" + file.filename();
             logger.debug("find dir, start uploading file:{}", dest);
             command.put(new ByteArrayInputStream(file.content()), dest);
         } catch (IOException | JSchException | SftpException e) {