update doc

site/src/site/sphinx/en/mc.md

@@ -1,7 +1,7 @@
 mc
 ===
 
-[`mc-redefine` online tutorial](https://arthas.aliyun.com/doc/arthas-tutorials?language=en&id=command-mc-redefine)
+[`mc-retransform` online tutorial](https://arthas.aliyun.com/doc/arthas-tutorials?language=en&id=command-mc-retransform)
 
 > Memory compiler, compiles `.java` files into `.class` files in memory.
 

site/src/site/sphinx/en/retransform.md

@@ -1,6 +1,8 @@
 retransform
 ========
 
+[`mc-retransform` online tutorial](https://arthas.aliyun.com/doc/arthas-tutorials?language=en&id=command-mc-retransform)
+
 > Load the external `*.class` files to retransform the loaded classes in JVM.
 
 Reference: [Instrumentation#retransformClasses](https://docs.oracle.com/javase/8/docs/api/java/lang/instrument/Instrumentation.html#retransformClasses-java.lang.Class...-)

site/src/site/sphinx/mc.md

@@ -1,7 +1,7 @@
 mc
 ===
 
-[`mc-redefine`在线教程](https://arthas.aliyun.com/doc/arthas-tutorials?language=cn&id=command-mc-redefine)
+[`mc-retransform`在线教程](https://arthas.aliyun.com/doc/arthas-tutorials?language=cn&id=command-mc-retransform)
 
 > Memory Compiler/内存编译器，编译`.java`文件生成`.class`。
 

site/src/site/sphinx/retransform.md

@@ -1,6 +1,8 @@
 retransform
 ===
 
+[`mc-retransform`在线教程](https://arthas.aliyun.com/doc/arthas-tutorials?language=cn&id=command-mc-retransform)
+
 > 加载外部的`.class`文件，retransform jvm已加载的类。
 
 参考：[Instrumentation#retransformClasses](https://docs.oracle.com/javase/8/docs/api/java/lang/instrument/Instrumentation.html#retransformClasses-java.lang.Class...-)