diff --git a/p3c-pmd/README.md b/p3c-pmd/README.md
index 43e34ecc17bc7b83bdf1e464b9f13de0cd4ba1a5..ba7069ceba0b2451f014015fda9097e8ec2811f6 100644
--- a/p3c-pmd/README.md
+++ b/p3c-pmd/README.md
@@ -21,7 +21,7 @@ compile 'com.alibaba.p3c:p3c-pmd:1.3.6'
 
 ## <font color="green">Rules</font>
 
-P3C-PMD implements 49 rules involved in *Alibaba Java Coding Guidelines*, based on PMD ([https://github.com/pmd/pmd](https://github.com/pmd/pmd)).
+P3C-PMD implements 54 rules involved in *Alibaba Java Coding Guidelines*, based on PMD ([https://github.com/pmd/pmd](https://github.com/pmd/pmd)).
 
 ### <font color="green">Concurrency</font>
 * 1 ``[Mandatory]`` Customized ThreadLocal variables must be recycled, especially when using thread pools in which threads are often reused. Otherwise, it may affect subsequent business logic and cause unexpected problems such as memory leak.