model load retry

recommend-server-service/src/main/java/com/tzld/piaoquan/recommend/server/service/score/model/ModelManager.java

@@ -178,7 +178,7 @@ public class ModelManager {
                 Thread.sleep(delay);
             }
         } catch (InterruptedException e) {
-            e.printStackTrace();
+            log.error("loadModelWithRetry fail", e);
         }
     }