//offlineActivity

mallinkService/src/main/java/com/iformall/domain/po/WxOfflineActivityRecord.java

@@ -107,7 +107,7 @@ public class WxOfflineActivityRecord extends TenantEntity {
     @TableField(exist = false)
     private String lotteryNumStr;
     public String getLotteryNumStr() {
-        if(lotteryNumList != null && !lotteryNumList.isEmpty()){
+        if(this.getLotteryNumList() != null && !lotteryNumList.isEmpty()){
             lotteryNumStr = String.join(",", lotteryNumList);
         }
         return lotteryNumStr;