【优化】修改文档

分表功能开发(初步).md

@@ -42,7 +42,7 @@
 ```
 // 获取品牌商信息 并设置缓存
 $brandSharding = \CommonCacheSdk\BrandShardingCache::getInstance(get_cache_container(CacheDatabaseConstants::SHARDING));
-        $brandSharding->setBrandShardingCache($brand_id, $brand['sharding'] ? $brand['sharding'] : '');
+$brandSharding->setBrandShardingCache($brand_id, $brand['sharding'] ? $brand['sharding'] : '');
 ```
 
 接着就是设置品牌商上下文