* bug 修改

src/main/java/com/huiju/estateagents/redpack/service/impl/TaRedPacketHelpServiceImpl.java

         }
 
         // 校验活动是否开始
-        if (taRedPacket.getStartDate().toInstant(ZoneOffset.of("+8")).toEpochMilli() < LocalDateTime.now().toInstant(ZoneOffset.of("+8")).toEpochMilli()
-                && (taRedPacketHelp.getHelpSuccesPersons() != null || taRedPacketHelp.getLimitNumPerDay() != null
-                || taRedPacketHelp.getLimitNumPerPerson() != null || taRedPacketHelp.getLimitNumForEachPerson() != null)) {
-            responseBean.addError("活动已开始，不可修改");
+        if (taRedPacket.getStartDate().toInstant(ZoneOffset.of("+8")).toEpochMilli() < LocalDateTime.now().toInstant(ZoneOffset.of("+8")).toEpochMilli()) {
+
+            // 活动开始，配置人数和次数限制不可修改
+            if ((taRedPacketHelp.getHelpSuccesPersons() != null || taRedPacketHelp.getLimitNumPerDay() != null
+                    || taRedPacketHelp.getLimitNumPerPerson() != null || taRedPacketHelp.getLimitNumForEachPerson() != null)) {
+                responseBean.addError("活动已开始，不可修改");
+                return responseBean;
+            }
+
+            // 活动开始，开始时间不可修改
+            if (taRedPacket.getStartDate().toInstant(ZoneOffset.of("+8")).toEpochMilli() != taRedPacketHelp.getStartDate().toInstant(ZoneOffset.of("+8")).toEpochMilli()) {
+                responseBean.addError("活动已开始，开始时间不可修改");
+                return responseBean;
+            }
+        }
+
+        // 校验结束时间是否已经到达
+        if (taRedPacketHelp.getEndDate() != null && taRedPacket.getEndDate().toInstant(ZoneOffset.of("+8")).toEpochMilli() < taRedPacketHelp.getEndDate().toInstant(ZoneOffset.of("+8")).toEpochMilli()) {
+            responseBean.addError("活动已结束，结束时间不可修改");
             return responseBean;
         }
 
     }
 
     @Override
-    public ResponseBean getRedPacketHelpById(String activityId,Integer orgId) {
+    public ResponseBean getRedPacketHelpById(String activityId, Integer orgId) {
         ResponseBean responseBean = new ResponseBean();
         TaRedPacketHelp taRedPacketHelp = getById(activityId);