更新套餐逻辑修正

im-admin/ruoyi-im/src/main/java/org/dromara/im/service/impl/ImChatPackageServiceImpl.java

@@ -179,7 +179,12 @@ public class ImChatPackageServiceImpl implements IImChatPackageService {
         if (durationDays == null) {
             throw new RuntimeException("套餐天数不能为空");
         }
-        
+
+        //如果代理套餐已过期，先赋值为今天
+        if(DateUtil.compare(packageExpireTime, DateUtil.date()) < 0){
+            packageExpireTime = DateUtil.date();
+        }
+
         // 将durationDays加到packageExpireTime上
         packageExpireTime = DateUtil.offsetDay(packageExpireTime, durationDays.intValue() + 1);