特征版本没有异常时才更新到zk

@@ -31,7 +31,8 @@ public class ProductIndexRebuildListener implements IYohoIndexRebuildListener, I
 
     @Override
     public void afterRebuild(Exception exception) {
-        if (exception != null) {
+        if (exception == null) {
+            // 没有异常时才更新到zk
             productVectorFeatureLogicService.publishGenerateDate();
         }
     }