diff --git a/docs/database/mysql/mysql-high-performance-optimization-specification-recommendations.md b/docs/database/mysql/mysql-high-performance-optimization-specification-recommendations.md
index bf7a4d8f..b87d8a18 100644
--- a/docs/database/mysql/mysql-high-performance-optimization-specification-recommendations.md
+++ b/docs/database/mysql/mysql-high-performance-optimization-specification-recommendations.md
@@ -252,10 +252,12 @@ Innodb 是按照主键索引的顺序来组织表的
 
 隐式转换会导致索引失效如:
 
-```
+```sql
 select name,phone from customer where id = '111';
 ```
 
+详细解读可以看：[MySQL中的隐式转换造成的索引失效](./index-invalidation-caused-by-implicit-conversion.md) 这篇文章。
+
 ### 3. 充分利用表上已经存在的索引
 
 避免使用双%号的查询条件。如：`a like '%123%'`，（如果无前置%,只有后置%，是可以用到列上的索引的）