diff --git a/category/get_jvm_info.py b/category/get_jvm_info.py
index ab13cdc3d2cdfbe28af2df883a334003338f5732..99896e8ee7766ca2e15b11d2f5274893b0ba9d6c 100644
--- a/category/get_jvm_info.py
+++ b/category/get_jvm_info.py
@@ -1,3 +1,12 @@
 #!/usr/bin/env python
 # -*- coding: UTF-8 -*-
-# cython:language_level=3
\ No newline at end of file
+# cython:language_level=3
+
+from common.file import FileOperation
+
+# jvm class
+class JVMInfo:
+    def __init__(self, t_fileName):
+        # output file
+        self.__default_file_name = t_fileName
+        FileOperation.remove_txt_file(self.__default_file_name)
\ No newline at end of file