diff --git a/site/docs/doc/memory.md b/site/docs/doc/memory.md
index f8427b6f..36840ef5 100644
--- a/site/docs/doc/memory.md
+++ b/site/docs/doc/memory.md
@@ -2,6 +2,17 @@
 
 查看 JVM 内存信息。
 
+具体字段信息，参考：
+
+* [MemoryMXBean#getHeapMemoryUsage()](https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/MemoryMXBean.html#getHeapMemoryUsage())
+* [MemoryMXBean#getNonHeapMemoryUsage()](https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/MemoryMXBean.html#getHeapMemoryUsage())
+
+
+具体代码：
+
+* https://github.com/alibaba/arthas/blob/master/core/src/main/java/com/taobao/arthas/core/command/monitor200/MemoryCommand.java
+
+
 ## 使用参考
 
 ```
diff --git a/site/docs/en/doc/memory.md b/site/docs/en/doc/memory.md
index 38c493b4..c4dd5f5b 100644
--- a/site/docs/en/doc/memory.md
+++ b/site/docs/en/doc/memory.md
@@ -2,6 +2,17 @@
 
 View the JVM memory information.
 
+
+For field information, refer to:
+
+* [MemoryMXBean#getHeapMemoryUsage()](https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/MemoryMXBean.html#getHeapMemoryUsage())
+* [MemoryMXBean#getNonHeapMemoryUsage()](https://docs.oracle.com/en/java/javase/11/docs/api/java.management/java/lang/management/MemoryMXBean.html#getHeapMemoryUsage())
+
+
+Source code:
+
+* https://github.com/alibaba/arthas/blob/master/core/src/main/java/com/taobao/arthas/core/command/monitor200/MemoryCommand.java
+
 ## Usage
 
 ```bash