diff --git a/laws-modules/src/main/java/com/jero/modules/sys/controller/SysCommonController.java b/laws-modules/src/main/java/com/jero/modules/sys/controller/SysCommonController.java
index 6d14198b..27d14bda 100644
--- a/laws-modules/src/main/java/com/jero/modules/sys/controller/SysCommonController.java
+++ b/laws-modules/src/main/java/com/jero/modules/sys/controller/SysCommonController.java
@@ -98,6 +98,7 @@ public class SysCommonController {
                             outputStream.write(buf, 0, len);
                         }
                         response.flushBuffer();
+                        return;
                     } catch (Exception e) {
                         log.error(e.getMessage());
                         response.setStatus(404);