diff --git a/memorycompiler/src/main/java/com/taobao/arthas/compiler/DynamicCompiler.java b/memorycompiler/src/main/java/com/taobao/arthas/compiler/DynamicCompiler.java
index 586100695..0c5c36c45 100644
--- a/memorycompiler/src/main/java/com/taobao/arthas/compiler/DynamicCompiler.java
+++ b/memorycompiler/src/main/java/com/taobao/arthas/compiler/DynamicCompiler.java
@@ -33,6 +33,7 @@ public class DynamicCompiler {
         standardFileManager = javaCompiler.getStandardFileManager(null, null, null);
 
         options.add("-Xlint:unchecked");
+        options.add("-g");
         dynamicClassLoader = new DynamicClassLoader(classLoader);
     }