lesson add downloadStatus

rankin-api-web/src/main/java/cn/rankin/apiweb/controller/CallbackController.java

@@ -188,6 +188,13 @@ public class CallbackController {
                                                            @RequestParam("lessonId") String lessonId) {
 
 
+        return sync(user,lessonId);
+
+
+    }
+
+    private synchronized APIResult<Boolean> sync(DeviceUserVo user, String lessonId) {
+
         Thread thread = Thread.currentThread();
         log.info("Thread.currentThread(),name = {}",Thread.currentThread().getName());
         /*try