diff --git a/plugins/tamper_proof_py/tamper_proof_service.py b/plugins/tamper_proof_py/tamper_proof_service.py
index 2bfb0d59a..ed9e3cc62 100644
--- a/plugins/tamper_proof_py/tamper_proof_service.py
+++ b/plugins/tamper_proof_py/tamper_proof_service.py
@@ -1,4 +1,4 @@
-# coding:utf-8
+# coding=utf-8
 
 # +--------------------------------------------------------------------
 # |   事件型防篡改