``` refactor(service): 在设置活动类别名称前增加非空检查在AdminHappyActivityServiceImpl.java中...

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21 hours ago ccbd86bc5f747b748b5bde257a789d748b8cefbb

```
refactor(service): 在设置活动类别名称前增加非空检查在AdminHappyActivityServiceImpl.java中，对happyActivity的categoryId进行了非空检查，并且确认categoryMap中包含该categoryId后，再设置其categoryName。这样可以避免因为空值或不存在的键导致的潜在异常。
```

 src/main/java/cc/mrbird/febs/mall/service/impl/AdminHappyActivityServiceImpl.java

@@ -159,10 +159,14 @@
                Map<Long, HappyActivityCategory> categoryMap = happyActivityCategories.stream().collect(Collectors.toMap(HappyActivityCategory::getId, happyActivityCategory -> happyActivityCategory));

                for (HappyActivity happyActivity : records){
                    if(ObjectUtil.isNotNull(happyActivity.getCategoryId())
                        && categoryMap.containsKey(happyActivity.getCategoryId())
                    ){
                    happyActivity.setCategoryName(categoryMap.get(happyActivity.getCategoryId()).getName());
                }
            }
        }
        }
        return voteActivityPage;
    }