Update TrackingFlowTask.java

src/main/java/track/task/TrackingFlowTask.java

@@ -474,7 +474,9 @@ public class TrackingFlowTask {
     }
 
     public void reset(String yesterday, String email) {
-
+        if(StringUtil.isEmpty(email)){
+            return;
+        }
         //删除历史数据
         List<Long> delIdList = tkioFlowRepository.findIdByEmailDs(email, yesterday);
         if (delIdList != null && !delIdList.isEmpty()) {