diff --git a/yukihookapi/src/api/kotlin/com/highcapable/yukihookapi/hook/type/java/VariableTypeFactory.kt b/yukihookapi/src/api/kotlin/com/highcapable/yukihookapi/hook/type/java/VariableTypeFactory.kt
index 18b91dda..777c4be2 100644
--- a/yukihookapi/src/api/kotlin/com/highcapable/yukihookapi/hook/type/java/VariableTypeFactory.kt
+++ b/yukihookapi/src/api/kotlin/com/highcapable/yukihookapi/hook/type/java/VariableTypeFactory.kt
@@ -574,6 +574,18 @@ val IllegalStateExceptionClass get() = classOf<IllegalStateException>()
  */
 val RuntimeExceptionClass get() = classOf<RuntimeException>()
 
+/**
+ * 获得 [ClassNotFoundException] 类型
+ * @return [Class]
+ */
+val ClassNotFoundExceptionClass get() = classOf<ClassNotFoundException>()
+
+/**
+ * 获得 [NoClassDefFoundError] 类型
+ * @return [Class]
+ */
+val NoClassDefFoundErrorClass get() = classOf<NoClassDefFoundError>()
+
 /**
  * 获得 [NoSuchMethodError] 类型
  * @return [Class]