diff --git a/testable-agent/src/main/java/com/alibaba/testable/agent/constant/ConstPool.java b/testable-agent/src/main/java/com/alibaba/testable/agent/constant/ConstPool.java
index 6830936..ffa79fd 100644
--- a/testable-agent/src/main/java/com/alibaba/testable/agent/constant/ConstPool.java
+++ b/testable-agent/src/main/java/com/alibaba/testable/agent/constant/ConstPool.java
@@ -22,4 +22,5 @@ public class ConstPool {
     public static final String KOTLIN_POSTFIX_COMPANION = "$Companion";
     public static final String KOTLIN_PREFIX_ACCESS = "access$";
 
+    public static final String CLASS_OBJECT = "java/lang/Object";
 }
diff --git a/testable-agent/src/main/java/com/alibaba/testable/agent/handler/MockClassHandler.java b/testable-agent/src/main/java/com/alibaba/testable/agent/handler/MockClassHandler.java
index 5f17392..76987b6 100644
--- a/testable-agent/src/main/java/com/alibaba/testable/agent/handler/MockClassHandler.java
+++ b/testable-agent/src/main/java/com/alibaba/testable/agent/handler/MockClassHandler.java
@@ -5,6 +5,7 @@ import com.alibaba.testable.agent.constant.ConstPool;
 import com.alibaba.testable.agent.tool.ImmutablePair;
 import com.alibaba.testable.agent.util.*;
 import com.alibaba.testable.core.model.MockScope;
+import com.alibaba.testable.core.util.MockAssociationUtil;
 import org.objectweb.asm.Label;
 import org.objectweb.asm.Type;
 import org.objectweb.asm.tree.*;
@@ -13,6 +14,7 @@ import java.util.List;
 
 import static com.alibaba.testable.agent.constant.ByteCodeConst.TYPE_ARRAY;
 import static com.alibaba.testable.agent.constant.ByteCodeConst.TYPE_CLASS;
+import static com.alibaba.testable.agent.constant.ConstPool.CLASS_OBJECT;
 import static com.alibaba.testable.agent.util.ClassUtil.toJavaStyleClassName;
 import static com.alibaba.testable.core.constant.ConstPool.CONSTRUCTOR;
 
@@ -41,6 +43,10 @@ public class MockClassHandler extends BaseClassWithContextHandler {
 
     @Override
     protected void transform(ClassNode cn) {
+        if (!CLASS_OBJECT.equals(cn.superName)) {
+            MockAssociationUtil.recordSubMockContainer(ClassUtil.toDotSeparatedName(cn.superName),
+                ClassUtil.toDotSeparatedName(cn.name));
+        }
         injectRefFieldAndGetInstanceMethod(cn);
         for (MethodNode mn : cn.methods) {
             if (isMockMethod(mn)) {
@@ -269,7 +275,7 @@ public class MockClassHandler extends BaseClassWithContextHandler {
         List<Byte> types = MethodUtil.getParameterTypes(mn.desc);
         int size = types.size();
         il.add(getIntInsn(size));
-        il.add(new TypeInsnNode(ANEWARRAY, ClassUtil.CLASS_OBJECT));
+        il.add(new TypeInsnNode(ANEWARRAY, CLASS_OBJECT));
         int parameterOffset = MethodUtil.isStatic(mn) ? 0 : 1;
         for (int i = 0; i < size; i++) {
             il.add(new InsnNode(DUP));
diff --git a/testable-agent/src/main/java/com/alibaba/testable/agent/handler/OmniClassHandler.java b/testable-agent/src/main/java/com/alibaba/testable/agent/handler/OmniClassHandler.java
index 787321d..3371c86 100644
--- a/testable-agent/src/main/java/com/alibaba/testable/agent/handler/OmniClassHandler.java
+++ b/testable-agent/src/main/java/com/alibaba/testable/agent/handler/OmniClassHandler.java
@@ -9,7 +9,7 @@ import org.objectweb.asm.tree.*;
 
 import java.util.List;
 
-import static com.alibaba.testable.agent.util.ClassUtil.CLASS_OBJECT;
+import static com.alibaba.testable.agent.constant.ConstPool.CLASS_OBJECT;
 import static com.alibaba.testable.core.constant.ConstPool.CONSTRUCTOR;
 import static com.alibaba.testable.core.constant.ConstPool.THIS_REF;
 import static com.alibaba.testable.core.util.CollectionUtil.contains;
diff --git a/testable-agent/src/main/java/com/alibaba/testable/agent/transformer/MockClassParser.java b/testable-agent/src/main/java/com/alibaba/testable/agent/transformer/MockClassParser.java
index cff44d0..cc0be3c 100644
--- a/testable-agent/src/main/java/com/alibaba/testable/agent/transformer/MockClassParser.java
+++ b/testable-agent/src/main/java/com/alibaba/testable/agent/transformer/MockClassParser.java
@@ -16,14 +16,13 @@ import org.objectweb.asm.tree.MethodNode;
 import java.util.ArrayList;
 import java.util.List;
 
+import static com.alibaba.testable.agent.constant.ConstPool.CLASS_OBJECT;
 import static com.alibaba.testable.agent.util.ClassUtil.toJavaStyleClassName;
 import static com.alibaba.testable.agent.util.MethodUtil.isStatic;
 import static com.alibaba.testable.core.constant.ConstPool.CONSTRUCTOR;
 
 public class MockClassParser {
 
-    private static final String CLASS_OBJECT = "java/lang/Object";
-
     /**
      * Get information of all mock methods
      * @param className mock class name
diff --git a/testable-agent/src/main/java/com/alibaba/testable/agent/util/ClassUtil.java b/testable-agent/src/main/java/com/alibaba/testable/agent/util/ClassUtil.java
index 96b140a..3210e9a 100644
--- a/testable-agent/src/main/java/com/alibaba/testable/agent/util/ClassUtil.java
+++ b/testable-agent/src/main/java/com/alibaba/testable/agent/util/ClassUtil.java
@@ -18,7 +18,6 @@ import static org.objectweb.asm.Opcodes.*;
  */
 public class ClassUtil {
 
-    public static final String CLASS_OBJECT = "java/lang/Object";
     private static final String CLASS_BYTE = "java/lang/Byte";
     private static final String CLASS_CHARACTER = "java/lang/Character";
     private static final String CLASS_DOUBLE = "java/lang/Double";
diff --git a/testable-core/src/main/java/com/alibaba/testable/core/util/MockAssociationUtil.java b/testable-core/src/main/java/com/alibaba/testable/core/util/MockAssociationUtil.java
index 9b1feae..e0a156f 100644
--- a/testable-core/src/main/java/com/alibaba/testable/core/util/MockAssociationUtil.java
+++ b/testable-core/src/main/java/com/alibaba/testable/core/util/MockAssociationUtil.java
@@ -16,6 +16,12 @@ public class MockAssociationUtil {
      */
     public static final int INDEX_OF_MOCK_CLASS = 2;
 
+    /**
+     * Sub-class of specified mock class
+     * SuperMockClassName (dot-separated) → Set of [SubMockClassName (dot-separated)]
+     */
+    public static Map<String, Set<String>> subMockContainers = UnnullableMap.of(new HashSet<String>());
+
     /**
      * Mock class referred by @MockWith annotation to list of its test classes
      * MockClassName (dot-separated) → Set of associated [TestClassNames (dot-separated)]
@@ -35,9 +41,24 @@ public class MockAssociationUtil {
         }
         String testClassName = mockContext.testClassName;
         String mockClassName = Thread.currentThread().getStackTrace()[INDEX_OF_MOCK_CLASS].getClassName();
+        return recursiveAssociationCheck(testClassName, mockClassName);
+    }
+
+    private static boolean recursiveAssociationCheck(String testClassName, String mockClassName) {
         return isAssociatedByInnerMockClass(testClassName, mockClassName) ||
             isAssociatedByOuterMockClass(testClassName, mockClassName) ||
-            isAssociatedByMockWithAnnotation(testClassName, mockClassName);
+            isAssociatedByMockWithAnnotation(testClassName, mockClassName) ||
+            (subMockContainers.containsKey(mockClassName) &&
+                recursiveAssociationCheck(testClassName, subMockContainers.get(mockClassName)));
+    }
+
+    private static boolean recursiveAssociationCheck(String testClassName, Set<String> mockClassNames) {
+        for (String name : mockClassNames) {
+            if (recursiveAssociationCheck(testClassName, name)) {
+                return true;
+            }
+        }
+        return false;
     }
 
     /**
@@ -54,6 +75,10 @@ public class MockAssociationUtil {
         }
     }
 
+    public static void recordSubMockContainer(String superClassName, String subClassName) {
+        subMockContainers.get(superClassName).add(subClassName);
+    }
+
     private static boolean isAssociatedByInnerMockClass(String testClassName, String mockClassName) {
         return mockClassName.equals(String.format("%s$%s", testClassName, MOCK_POSTFIX));
     }